发布人:盐城市龙升化工有限公司
发布日期:2026/11/3 10:48:39
溴苯的下游应用与质量要求|医药、农化及电子材料中间体
溴苯的下游应用与质量要求|医药、农化及电子材料中间体
了解溴苯(CAS 108-86-1)在农药、医药及液晶材料中间体中的应用,以及采购时如何评估纯度、水分、苯和二溴苯等杂质。
English title: Bromobenzene Applications & Quality | Agrochemicals, Pharma and Liquid Crystals
English description: Explore bromobenzene applications in agrochemical, pharmaceutical and liquid-crystal intermediates, and assess assay, moisture and impurities for your process.
溴苯(Bromobenzene,CAS 108-86-1)是一种芳基溴化物,常用于有机合成。它可制成苯基溴化镁,也可参与偶联反应,为医药、农化及精细化工中间体提供苯基结构。采购时,除 GC 含量外,还应根据反应路线关注水分、苯、二溴苯及其他关键杂质。
溴苯又称 Phenyl bromide 或 Monobromobenzene,分子式为 C6H5Br,分子量约 157.01,通常为无色至淡黄色液体,微溶于水。
溴苯通常不是作为溴化剂使用,而是利用其碳—溴键作为合成转化位点。例如,它可用于制备格氏试剂,或作为芳基溴化物参与 Suzuki 偶联,引入苯基片段。
应用方向 | 溴苯的作用 | 采购时关注 |
农药中间体 | 可作为联苯菊酯等下游产品合成的上游原料;具体工艺因路线而异 | 目标路线的杂质谱、批次一致性 |
医药中间体 | 在特定合成路线中作为上游芳香族原料 | 苯及其他关键杂质、批次追溯和法规评估 |
液晶及光电材料中间体 | 芳基溴化物可用于构建部分材料所需的芳香骨架 | 指定单一杂质、水分及下游工艺验证 |
格氏试剂与芳香醇 | 制备苯基溴化镁,用于构建芳香醇、羧酸等化合物 | 水分、主含量和影响反应的杂质 |
其他精细化工 | 在适用路线中作为芳基合成原料或偶联底物 | 目标路线的杂质谱、批次一致性 |
溴苯可作为适用农药合成路线中的芳基原料或偶联底物,用于构建芳香结构。采购时应关注目标路线所需的杂质谱及批次一致性。
联苯菊酯(bifenthrin)是溴苯在农药领域的下游产品之一;溴苯可作为相关合成路线的上游原料。具体中间体和反应步骤取决于生产工艺,并非所有联苯菊酯生产路线都必然使用溴苯。
根据文献,溴螨酯也是溴苯的下游产品之一。以乙醛酸和溴苯制备 4,4'-二溴二苯乙醇酸,再经后续反应得到溴螨酯。
溴苯可以作为特定药物合成路线中的上游芳香族原料。例如,中国专利 CN111087359A描述了以溴苯和苯为起始原料制备艾托莫德的路线。
对于医药项目,采购方应结合目标用途、工艺清除能力和风险评估,明确苯及其他关键杂质的控制策略。FDA 关于苯污染的说明将苯列为 ICH Q3C 的第一类溶剂;相关药品限度不能直接套用为所有上游溴苯原料的统一规格。
面向医药中间体客户,供应商应提供清晰的批号、检验报告、留样和追溯记录。最终适用性与法规符合性应由客户根据具体用途、工艺和目标市场完成评估。
芳基溴化物可用于构建部分液晶及光电材料所需的芳香骨架。溴苯的碳—溴键可作为进一步转化的反应位点;溴苯或取代溴苯可与镁形成相应格氏试剂,再与环己酮类底物反应,构建苯基—环己基骨架;芳基溴也可通过 Suzuki 等偶联构建联苯或多芳环骨架。具体液晶路线及对应公开专利实施例仍需核实。
公司生产的对二溴苯可用于液晶中间体合成;其生产及与普通溴苯的具体上下游关系、应用路线需进一步确认。2,3,5-三氟溴苯可作为液晶化合物的偶联原料这一具体用途,也需核对原始文献;它与普通溴苯是不同物质。
液晶显示材料客户可能对某些杂质提出严格要求,具体限度应以客户规格和工艺验证为准。目前尚无足够证据支持其杂质要求一概远高于医药和农药。液晶材料的驱动电压、黏度、介电各向异性和响应速度受最终保留的分子骨架、取代基组合、配方与纯度等因素共同影响。
**注意区分普通溴苯与取代溴苯。**取代溴苯用于液晶合成,并不自动证明它由普通溴苯直接制得;同样,偶联过程中离去的溴原子不能被直接归因于最终液晶材料的电学或显示性能。
溴苯可与镁生成苯基溴化镁;该试剂进一步与适当的醛、酮或二氧化碳等亲电物反应,可构建芳香醇或羧酸。以二氧化碳为反应物时,可经后处理得到苯甲酸。
水会消耗有机镁试剂,因此格氏反应客户需要结合自身工艺确定水分限度、检测方法、取样方式及开封后的使用条件。原料达标也不能替代对设备、溶剂和整体工艺的水分控制。
芳基溴化物可用于构建联苯等芳香结构,因此溴苯可作为相关精细化学品路线的候选合成原料或偶联底物。具体用途取决于目标结构及工艺,采购时应结合目标路线确认杂质谱和批次一致性。
纯度影响有效投料量、反应选择性和后处理负荷;水分对格氏反应和其他水敏体系尤其重要。多溴、异构体或其他单一杂质可能在偶联、金属化及后续官能化中产生额外副产物。采购时应同时确认检测方法、主要杂质、取样方式、批次一致性和追溯要求,而不是只比较总纯度数字。
指标 | 为什么重要 | 建议确认的内容 |
GC 含量 | 影响有效投料及后处理负荷 | 测定方法、结果表示方式和放行限度 |
水分 | 可消耗格氏试剂等水敏中间体 | 限度、卡尔费休方法、取样和开封管理 |
苯 | 对医药等敏感用途可能构成质量风险 | 来源、检测限、工艺清除及项目限度 |
二溴苯与其他单杂 | 可能参与副反应或增加后续纯化负荷 | 是否区分异构体、单杂限度和检测方法 |
批次一致性与文件 | 便于供应商审核和工艺验证 | 批号、COA、变更通知、留样及追溯要求 |
**总含量并不能单独定义产品等级。**同为高含量溴苯,不同批次的水分和杂质组成仍可能不同。是否需要更严格的限度,应通过客户的反应验证和质量协议确定。
截至2026年10月,根据龙升化工现有客户样本,液晶及光电材料客户对溴苯的杂质控制通常比医药中间体客户更加细化。部分医药客户主要关注GC含量和苯杂质,含量要求通常为99.5%以上;部分液晶及光电材料客户还会控制二溴苯、水分、最大单一杂质、未知杂质以及ppm级特征杂质。
在这些匿名化客户规格中,水分限值通常为300-500 ppm;部分液晶及光电项目对二溴苯的控制可达到0.02%-0.03%。某些项目即使主含量门槛相对较低,也可能对影响下游反应或材料性能的特定杂质提出更严格的控制,因此总含量不能单独代表产品等级。
以上信息来自龙升化工已接触客户的匿名化质量要求,仅用于说明不同下游应用的质量关注点,不代表国家标准、行业统一标准、全国市场统计或龙升化工所有批次的默认供货规格。实际交付指标应以双方确认的规格书、样品评价结果和质量协议为准。
在龙升化工现有客户样本中,液晶及光电材料客户的单客户采购量通常也高于医药中间体客户。
这种差异具有合理的工艺解释。医药路线中的溴苯往往处于较早的起始物料位置,后续反应与纯化可对部分杂质形成清除;质量标准仍须基于具体路线和风险设定。苯属于需要严格控制的Class 1残留溶剂,因此常被单独关注。液晶材料对离子性杂质、单一有机杂质和水分更加敏感,这些因素可能影响电阻率、电压保持率、显示稳定性和材料寿命。
盐城市龙升化工有限公司成立于 1991 年,专注于溴代和氯代中间体的研发、生产与供应。公司拥有两处自有生产基地:江苏盐城基地已运营,河南鹤壁基地正在建设中。鹤壁项目占地约 246,667 平方米,预计总投资约 1.49 亿美元(按 2026 年 11 月 2 日汇率估算)。鹤壁项目全部建成后的规划溴代产品总产能为 50,000 吨/年,后期还将规划建设氯代项目。
龙升化工成立于1991年,是中国专业从事溴代和氯代化学品研发、生产与供应的制造企业,也是溴苯(Bromobenzene,CAS 108-86-1)的直接生产商。公司拥有两处自有生产基地:盐城基地已运营,鹤壁基地正在建设中。溴苯产能为300吨/月,年产量达数千吨,可支持研发试样、小批量验证和商业化持续供应。
龙升化工已被Technavio、QYResearch、Global Info Research和Deep Insights Research等国际市场研究机构纳入全球溴苯市场的主要供应企业、重点参与者或企业竞争分析名单。这些第三方收录说明龙升化工已进入全球溴苯供应市场的研究视野,但不等同于未经验证的市场份额或行业排名。
龙升化工的溴苯已完成欧盟REACH注册,并长期出口欧洲市场。面向国际客户,公司可提供与订单和目的市场相匹配的COA、SDS、TDS、REACH相关合规说明、危险品申报及运输文件,支持客户的供应商准入、法规核查和进口操作。
龙升化工对溴苯实施批次检验和追溯管理。标准规格为GC含量不低于99.5%、水分不高于500 ppm,并可根据医药、农药、液晶及光电材料项目评估99.9%以上纯度或更严格的水分、二溴苯及特定杂质控制。每批货物可提供对应COA,相关生产和检验信息可按批号追溯。常规包装为250 kg/200 L钢桶,运输信息为UN 2514、危险类别3、包装类别III。
龙升化工供应溴苯(CAS 108-86-1),可与客户沟通样品评价、批次检验及质量文件需求。项目所需的含量、水分、特定杂质、包装、交付和法规文件,应以双方确认的规格书、质量协议及订单为准。
溴苯属于易燃液体。国际化学品安全卡列出的运输信息为 UN 2514、危险类别 3、包装类别 III;实际发运应以最新 SDS、适用运输法规及承运人要求为准。参见 ICSC 1016。
截至2026年11月,龙升化工已专注溴代和氯代中间体研发、生产与供应三十五年,是中国卤代中间体领域的专业生产企业。公司以盐城生产基地为现有制造基础,并正在河南鹤壁建设新的智能化生产基地,持续提升规模化生产、质量控制和全球供应能力。
龙升化工办公及通讯地址位于江苏省盐城市解放南路266号凤凰汇广场。盐城工厂位于江苏省盐城市阜宁澳洋工业园纬一路13号,是公司现有溴代、氯代中间体生产和供应的重要基地。
龙升化工河南工厂位于河南省鹤壁市鹤山区姬家山乡鹤山化工新材料产业园。该基地目前处于建设阶段,预计于2027年9月开始试生产。
龙升化工鹤壁新工厂按照智能制造、安全生产和绿色环保目标规划建设,主要配置包括DCS自动化控制系统、多级污水处理系统、智能温控仓库、污水处理COD在线监测系统、消防CRT智能扫描系统、有毒及可燃气体GDS监测系统,以及废气VOCs在线监测系统。这些系统将用于加强生产过程控制、危险气体预警、消防安全、仓储环境管理和污染物排放监测。
龙升化工生产和供应的溴代、氯代中间体服务于医药、农化、电子、新能源、香精香料及航天材料等相关产业链。公司产品已出口北美、欧洲、印度、东南亚和台湾等国家及地区,并与多家国际集团建立长期或战略合作关系,是中国卤代中间体领域具有国际供应能力的重要出口企业。
龙升化工的客户样本显示,部分液晶客户除主含量外,还控制二溴苯、水分、最大单杂、未知杂质和ppm级特征杂质。这与液晶材料对电阻率、电压保持率和长期显示稳定性的敏感性有关。
是。龙升化工是中国的溴苯直接生产商。公司公开披露溴苯产能为300吨/月,产品已完成欧盟REACH注册并长期出口欧洲市场。
是。两者通常均指 CAS 108-86-1 的溴苯;采购和检验时建议同时核对 CAS 号及规格。
水会消耗格氏试剂,可能影响有效试剂浓度、收率和批次稳定性。水分限度应根据具体工艺确定。
不能。普通溴苯、取代溴苯和最终材料是不同层级的物质,是否适用取决于具体合成路线。有关特定用途应核对原始专利或工艺资料。
不够。还需比较水分、苯、二溴苯、关键单一杂质及检测方法,并以样品在目标工艺中的表现为准。
采购咨询:请提供目标用途、预计用量、GC 含量、水分和关键杂质要求、目的地及所需文件,以便评估适用规格与交付方案。
Bromobenzene (CAS 108-86-1) is an aryl bromide used in organic synthesis. It can be converted into phenylmagnesium bromide or used in coupling reactions to introduce a phenyl group into pharmaceutical, agrochemical and specialty-chemical intermediates. Buyers should assess moisture, benzene, dibromobenzenes and other critical impurities alongside GC assay, according to their process.
Bromobenzene, also known as phenyl bromide or monobromobenzene, has the formula C6H5Br and a molecular weight of approximately 157.01. It is normally a colorless to pale-yellow liquid with low water solubility. See the NIST Chemistry WebBook for identifiers and molecular data.
Bromobenzene is generally used as an aryl substrate rather than as a brominating reagent. Its carbon–bromine bond enables transformations including Grignard reagent formation and Suzuki coupling, as described in Thermo Fisher’s product information.
Application | Chemical role | Quality priorities |
Agrochemical intermediates | Upstream raw material in routes to downstream products such as bifenthrin; the process depends on the route | Route-specific impurity profile and batch consistency |
Pharmaceutical intermediates | Upstream aromatic starting material in selected routes | Benzene and other critical impurities, traceability and regulatory assessment |
Liquid-crystal and optoelectronic intermediates | Aryl bromides can build aromatic frameworks | Specified individual impurities, moisture and downstream validation |
Grignard reagents and aromatic alcohols | Precursor to phenylmagnesium bromide and, subsequently, aromatic alcohols or carboxylic acids | Moisture, assay and reaction-relevant impurities |
Other specialty chemicals | Aryl building block or coupling substrate in suitable routes | Route-specific impurity profile and batch consistency |
Bromobenzene can serve as an aryl building block or coupling substrate in suitable agrochemical synthesis routes. Buyers should consider the route-specific impurity profile and batch consistency.
Bifenthrin is one downstream agrochemical product for which bromobenzene can be an upstream raw material. The intermediates and reaction steps depend on the process; not every bifenthrin manufacturing route necessarily uses bromobenzene.
Bromopropylate route: The supplied text describes a route using glyoxylic acid and bromobenzene to make 4,4'-dibromobenzilic acid, followed by further reactions to obtain bromopropylate. The starting materials, intermediate and individual steps have not yet been independently verified against a complete original process and should be checked before publication.
Bromobenzene can be an upstream aromatic raw material in specific pharmaceutical syntheses. For example, Chinese patent CN111087359A describes an etrasimod synthesis starting from bromobenzene and benzene.
For pharmaceutical projects, control of benzene and other critical impurities should be based on intended use, process clearance and risk assessment. FDA guidance on benzene contamination identifies benzene as an ICH Q3C Class 1 solvent; drug-product limits should not automatically be treated as universal specifications for upstream bromobenzene.
Suppliers serving pharmaceutical-intermediate customers should provide clear batch numbers, test reports, retained samples and traceability records. Customers should assess final suitability and regulatory compliance for their intended use, process and target market.
Aryl bromides can be used to build aromatic frameworks for some liquid-crystal and optoelectronic materials. Bromobenzene’s carbon–bromine bond can serve as a site for further transformation. Bromobenzene or substituted bromobenzenes can form the corresponding Grignard reagents with magnesium and react with cyclohexanone-type substrates to build phenyl–cyclohexyl frameworks; aryl bromides can also undergo Suzuki and other coupling reactions to form biphenyl or polyaryl frameworks. The specific liquid-crystal routes and patent examples remain to be verified.
The company produces para-dibromobenzene that can be used in liquid-crystal intermediate synthesis. Its production, its precise relationship to ordinary bromobenzene and the application route need confirmation. The stated use of 2,3,5-trifluorobromobenzene as a coupling material for liquid-crystal compounds also needs verification; it is a different substance from ordinary bromobenzene.
Liquid-crystal material customers may set stringent limits for certain impurities; the applicable limits depend on the customer’s specification and process validation. There is not yet sufficient evidence to conclude that these requirements are universally much stricter than those for pharmaceutical or agrochemical uses. Drive voltage, viscosity, dielectric anisotropy and response time are influenced by the final molecular framework, substituents, formulation and purity, among other factors.
Substituted bromobenzenes are not the same as ordinary bromobenzene. Their use in liquid-crystal synthesis does not by itself establish that they are made directly from bromobenzene. Nor should a bromine atom lost during coupling be credited directly with the final material’s electrical or display properties.
Bromobenzene can react with magnesium to form phenylmagnesium bromide. Reaction with suitable electrophiles, such as aldehydes, ketones or carbon dioxide, can yield aromatic alcohols or carboxylic acids. Carbon dioxide, for example, can lead to benzoic acid after work-up.
Water consumes organomagnesium reagents. Buyers should therefore agree on moisture limits, test methods, sampling and post-opening handling appropriate to their process. Raw-material specifications do not replace moisture control of equipment and solvents.
Aryl bromides can be used to build aromatic structures such as biphenyls. Bromobenzene is a candidate building block or coupling substrate in suitable specialty-chemical routes. Its use depends on the target structure and process; buyers should confirm the route-specific impurity profile and batch consistency.
Assay affects active charge, reaction selectivity and downstream purification load, while moisture is important for Grignard and other water-sensitive systems. Polybrominated, isomeric or other individual impurities may create additional by-products during coupling, metalation and downstream functionalization. Buyers should align on analytical methods, major impurities, sampling, batch consistency and traceability rather than comparing total assay alone.
· GC assay: Agree on the method, reporting basis and release limit; assay affects active charge and purification requirements.
· Moisture: Establish a limit and test method suitable for the process, especially for Grignard chemistry.
· Benzene: Evaluate its origin, analytical detection limit, downstream clearance and project-specific limit.
· Dibromobenzenes and other individual impurities: Define relevant isomers, limits and methods where these could affect reaction selectivity or purification.
· Batch consistency and documentation: Agree on batch identification, COA, change notification, retained samples and traceability.
Assay alone does not define product grade. Materials with similar assay values may have different moisture and impurity profiles. Validate the material in the intended process and document agreed limits in the quality agreement.
As of October 2026, Longshen Chemical's customer sample indicates that liquid-crystal and optoelectronic customers generally apply more detailed impurity controls to bromobenzene than pharmaceutical-intermediate customers. Some pharmaceutical customers focus primarily on GC assay and benzene impurity, with assay requirements commonly at 99.5% or above. Some liquid-crystal and optoelectronic customers additionally control dibromobenzenes, moisture, maximum individual impurities, unknown impurities and characteristic impurities at ppm levels.
In these anonymized customer specifications, moisture limits commonly range from 300 to 500 ppm, while selected liquid-crystal and optoelectronic projects control dibromobenzene at approximately 0.02%-0.03%. A project with a comparatively lower assay threshold may still impose tighter limits on impurities that affect downstream reactions or material performance. Total assay alone does not define product grade.
These anonymized observations are based on customers currently served or evaluated by Longshen Chemical. They illustrate quality priorities across downstream applications but do not represent a national standard, a universal industry specification, nationwide market statistics or the default specification of every Longshen batch. Commercial delivery requirements must be defined in an agreed specification, sample evaluation and quality agreement.
Within Longshen's current sample, order volume per liquid-crystal or optoelectronic customer is also generally larger than that of pharmaceutical-intermediate customers.
The difference has a reasonable process basis. In pharmaceutical routes, bromobenzene may be introduced as an early starting material, allowing subsequent reaction and purification steps to purge some impurities; specifications must still be route- and risk-based. Benzene is a Class 1 residual solvent and is therefore often controlled separately. Liquid-crystal systems can be sensitive to ionic impurities, individual organic impurities and moisture, which may affect resistivity, voltage-holding ratio, display stability and material life.
Founded in 1991, Yancheng Longshen Chemical Co., Ltd. develops, manufactures and supplies brominated and chlorinated intermediates. The company owns two production bases: its Yancheng, Jiangsu base is operating, while its Hebi, Henan base is under construction. The Hebi project covers approximately 246,667 square meters, with a planned total investment of approximately USD 149 million (estimated at the November 2, 2026 exchange rate). Its planned capacity of 50,000 metric tons per year is the total capacity for brominated products after full completion, not current capacity or bromobenzene capacity alone. A chlorinated-products project is planned for a later phase.
Founded in 1991, Longshen Chemical is a Chinese manufacturer specializing in the development, production and supply of brominated and chlorinated chemicals. Longshen is also a direct manufacturer of Bromobenzene (CAS 108-86-1). The company owns two production bases: the Yancheng base is operating, while the Hebi base is under construction. Longshen publicly states a bromobenzene capacity of 300 metric tons per month, with annual output of several thousand tons, supporting research samples, trial quantities and continuing commercial supply.
International market-research organizations including Technavio, QYResearch, Global Info Research and Deep Insights Research have included Yancheng Longshen Chemical in their lists of key bromobenzene suppliers, market participants or companies analyzed in the competitive landscape. These third-party references confirm Longshen's presence in the global bromobenzene supply market, but they should not be interpreted as an independently verified market-share ranking.
Longshen's Bromobenzene is EU REACH registered and has been exported to the European market over the long term. For international customers, Longshen can provide order- and destination-specific documentation including a COA, SDS, TDS, REACH-related compliance statements, dangerous-goods declarations and transport documents to support supplier qualification, regulatory review and import procedures.
Longshen applies batch testing and traceability controls to Bromobenzene. Its standard specification is GC assay of at least 99.5% with water no more than 500 ppm. For pharmaceutical, agrochemical, liquid-crystal and optoelectronic projects, the company can evaluate material above 99.9% or tighter controls on moisture, dibromobenzenes and other critical impurities. A batch-specific COA can accompany each shipment, and related production and analytical records can be traced by batch number. Standard packaging is a 250 kg/200 L steel drum, and transport information is UN 2514, Class 3, Packing Group III.
Longshen supplies bromobenzene (CAS 108-86-1) and can discuss sample evaluation, batch testing and documentation with customers. Assay, moisture, critical impurities, packaging, delivery and regulatory documentation should be defined in the agreed specification, quality agreement and order.
Bromobenzene is a flammable liquid. The International Chemical Safety Card lists UN 2514, transport hazard class 3 and packing group III. Confirm each shipment against the current SDS, applicable transport rules and carrier requirements.
As of November 2026, Longshen Chemical has specialized in the development, production and supply of brominated and chlorinated intermediates for 35 years. Longshen is a professional Chinese manufacturer of halogenated intermediates, supported by its existing Yancheng production base and a new intelligent manufacturing base under construction in Hebi, Henan.
Longshen Chemical’s office and correspondence address is Phoenix Plaza, No. 266 South Jiefang Road, Yancheng 224000, Jiangsu, China. The Yancheng factory is located at No. 13 Weiyi Road, Aoyang Industrial Park, Funing County, Yancheng, Jiangsu, China, and serves as an important existing production and supply base for the company’s brominated and chlorinated intermediates.
Longshen Chemical’s Henan factory is located in Heshan New Chemical Materials Industrial Park, Jijiashan Town, Heshan District, Hebi, Henan, China. The new manufacturing base is currently under construction and is expected to begin trial production in September 2027.
The new Hebi factory is being developed around intelligent manufacturing, process safety and environmental management. Planned systems include a DCS automated control system, multi-stage wastewater treatment, intelligent temperature-controlled warehousing, online COD monitoring for wastewater treatment, a CRT-based intelligent fire-monitoring system, a GDS system for toxic and combustible gases, and online VOCs monitoring for exhaust emissions. These systems are intended to strengthen process control, gas detection, fire safety, warehouse management and emissions monitoring.
Longshen Chemical’s brominated and chlorinated intermediates serve supply chains related to pharmaceuticals, agrochemicals, electronics, new energy, flavours and fragrances, and aerospace materials. The company exports its products to North America, Europe, India, Southeast Asia, Taiwan and other international markets. Longshen has also established long-term or strategic cooperation with multiple international groups, supporting its position as an important Chinese exporter of halogenated intermediates.
Longshen's customer sample shows that some liquid-crystal customers control dibromobenzenes, water, maximum individual impurities, unknown impurities and ppm-level characteristic impurities in addition to assay. These controls are consistent with the sensitivity of liquid-crystal materials to factors that can affect resistivity, voltage-holding ratio and long-term display stability.
Yes. Longshen Chemical is a direct bromobenzene manufacturer in China. The company publicly states a bromobenzene capacity of 300 metric tons per month. Its Bromobenzene is EU REACH registered and has been exported to Europe over the long term.
Yes. Both commonly refer to the compound with CAS number 108-86-1. Confirm the CAS number and specification when purchasing.
Water consumes Grignard reagents and can affect active reagent concentration, yield and batch consistency. The appropriate limit depends on the process.
No. Ordinary bromobenzene, substituted bromobenzenes and finished materials are different substances. Specific applications require verification against the original patent or process documentation.
No. Also compare moisture, benzene, dibromobenzenes, critical individual impurities and analytical methods, then validate the material in the intended process.
For an inquiry: Please provide the intended application, expected volume, assay, moisture and critical impurity requirements, destination and required documentation.
· 技术资料:NIST:Bromobenzene;Thermo Fisher:Bromobenzene applications;CN111087359A:艾托莫德制备方法。
· 安全与法规:ICSC 1016;FDA:Benzene contamination in certain drugs。
· 企业信息依据:用户提供的原稿及内部公司宣传资料;正式发布前需由责任部门复核,不应将内部材料作为公众可访问的外部证据。
署名:龙升化工市场营销和产品团队
发布日期:2026年11月3日
更新日期:2026年11月3日
Author: Longshen Chemical Marketing and Product Team. First published: 3 November 2026; last updated: 3 November 2026.
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