Top Quality Boric Acid Flakes CAS 108-30-5 specification：
Products:Succinic anhydride
Synonyms : 2,5-Dioxotetrahydrofuran; Dihydro-2,5-diketotetrahydrofuran; Dihydro-2,5-furandione;
Butanedioic anhydride; Succinic acid anhydride; Succinyloxide; Tetrahydro-2,5-dioxofuran; SAA;
dihydrofuran-2,5-dio
Molecular Formula:C4H4O3
Molecular Weight:100.7
CAS No.:108-30-5
Properties: white tabular crystal with pungent taste; lightly soluble in water and diethyl ether
To use: in medical , plant growth regulation and plasticizer industry
| Item | Medical grade | Industrial grade |
| appearance | white tabular crystal | white tabular crystal |
| purity % | ≥99% | ≥98% |
| melting point ºC | 118-120 | 116-120 |
| sulfide ≤% | 0.04 | 0.04 |
| chloride ≤% | 0.015 | 0.015 |
| heavy metal ≤ppm | 10 | 10 |
| ignition residue ≤% | 0.01 | 0.01 |
We have professional shipping afent,based on customers're quairments for transport.Shipping&Packaging:
shipping express: Fedex, DHL, EMS,UPS,EMS etc. By sea and By air.
Payment methods：western union,bitcoin,paypal,bank transfer,USDT
Company Introduction:
Wuhan Dujiang Industrial Co., Ltd. was established in 2021. It is a high-tech chemical enterprise in Central China, specializing in the research and development, production and sales of animal and plant extracts, fine chemicals, pharmaceutical raw materials, and intermediates. Since its establishment, the company attaches great importance to team training and technical reform. Adhering to the corporate purpose of "quality first, integrity first". The company is committed to the separation, as well as the development, production and marketing of API intermediates. The company mainly engaged in high-end monomer products of natural medicinal plants, semi-synthetic derivatives of medicinal plant ingredients, chemical synthetic products, high-end natural food and cosmetic additives. In order to meet the needs of preclinical research at home and abroad, and to save cost and unit for drug development companies, the company specially introduced large-scale axial pressure preparative chromatography. Through the ISO9001 quality management system certification. Buyers are welcome to contact us and we will use the most sincere attitude and preferential prices for your service.
Our Services
1) The professional sales reprensentative answers your inquiy on time;
2) We can provide reasonable price, high quality product and prompt shipmen;
3) We can send the goods to your delivery addreee directly, it is relatively safe and fast;
4) Warm sfter sale service, we will help to solve the problems in your usage.
FAQ:
Q1: Whats'your Minimum order quality?
For the high value product,our MOQ starts from 1g and generally starts from 10gs.For other low price product,our MOQ starts from 100g and 1000g.
Q2:What is your carrier?
For small order,we ship by air express. For example Fedex,TNT, DHL ,EMS.
For large order,we can send by air to the air port and send by sea to the sea port.
Q3:How to contact us?
You can dial our telephone directly, you will get our reply.
Send email to us.
Q4:Is there any discount?
Yes, for larger quantity, we always support with better price.
Contact us:
whatsapp/wechat: +86 18120567669
phone:+86 18120567669,
Email: wei@dujiangsy.com
China
