Detailed Description
Product Name:J acid
CAS:87-02-5
MF:C10H9NO4S
Melting point :
form:powder
color:Brown
Uses:
J acid is a crucial organic compound primarily used as an intermediate in the chemical industry. Its formal chemical name is 2-amino-5-naphthol-7-sulfonic acid (or 7-amino-4-hydroxy-2-naphthalenesulfonic acid), with the CAS registry number 87-02-5.
Here are its core characteristics and main uses:
What is J Acid?
Appearance & Properties: It typically appears as a white, light gray, or slightly yellowish crystalline powder. It is slightly soluble in cold water but dissolves readily in hot water and alkaline solutions (like caustic soda), while being almost insoluble in ethanol.
Chemical Identity: Its molecular formula is C₁₀H₉NO₄S, with a molecular weight of approximately 239.25 g/mol. A unique property of its sodium salt is that it exhibits a blue fluorescence when dissolved in water.
Key Uses & Selling Points
Due to its specific chemical structure containing amino, hydroxyl, and sulfonic acid groups, J acid serves as a highly versatile building block for synthesizing various complex dyes:
Dye Intermediate (Core Use): J acid is indispensable in the manufacturing of a wide range of azo dyes. It is extensively used to produce direct dyes (such as Direct Fast Blue, Direct Scarlet, and Direct Orange) and reactive dyes (used for vibrant reds, oranges, and greens). These dyes are heavily applied in the textile, leather, and paper industries to ensure bright colors with good fastness.
Precursor for Other Intermediates: Beyond final dyes, J acid acts as a key raw material for synthesizing other important dye intermediates, including Double J acid, Scarlet acid, and Phenyl J acid.
Historical Production Shift: Originally synthesized using β -naphthylamine, modern production methods have shifted to using 2-naphthylamine-1-sulfonic acid (Tobias acid) as the starting material. This shift was driven by safety regulations, as the original precursor was found to be strongly carcinogenic.
Safety Note:
J acid is classified as a toxic substance and a corrosive solid (Danger Class 8). It can cause severe skin burns and eye irritation. In industrial settings, it must be handled with strict protective measures, including gloves, goggles, and proper ventilation. It should be stored in sealed containers away from light, moisture, and oxidizing agents.
Also, if you have any other questions, you can contact us
FAQ From Wuhan Fortuna Chemical Co.,Ltd
Q1: Can I get a sample for free ?
A: For small QTY and low value product, we can provide sample for free exclude shipping cost. For high value sample, we will charge the basic sample cost, but we can refund all the cost if customers place order after sample test.
Q2: How to confirm the product quality before placing orders ?
A: Most of our products confirm to international standards like USP/EP/BP/JP/CP. We will provide COA/TDS/MSDS for customers to confirm the specification before placing order.
Q3: What is the payment you accept?
A: For small and low value order, we accept CreditCard, MaterCard,VISA,Western Union and T/T.For large order, we can do T/T and L/C. Any pay on delivery or pay-after are not available for us.
Q4: What is your shipment way ?
A: For less than 100kg gross weight order will ship with courier like FedEx or UPS, we support customers to place courier orders remotely by their account, we will package the goods well and wait for pick up.For more than 100kg goods, we will transport by Air or Sea according to customers' requirement.
Q5: How long is your after-sales service?
A: We accept customer’s quality complaint in three month after customer received the goods. We provide tech.support for all-life if customer place order from our company.
Q6: How do you treat quality complaint ?
A: We support customer to provide our products to any rightful third party testing organization to test our products according to the COA specification, if the test result is confirm with COA, we will take all the loss for customers.
Company Information
Name:Wuhan Fortuna Chemical Co.,Ltd
Category:Others
Trade Category: Trading Company
Employees: 11 - 50 People
Address: Room 2015, No.2 Building, Kaixin Mansion No.107
Company Information: Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical and Intermediates, Food and Feed additives, Fine chemicals,Biochemical and Reagent, which is the members of Hubei E-commerce Chamber.
Our company has professional persons who major in chemical R&D and sicentific management, supply fine chemical products with high quality and close service, also supply custom-tailored products according to our clients' requirement.
We have a positive and self-motivated management work team with a common philosophy, caring and commitment through teamwork, our team strive to achieve success in delighting our clients and ourselves.
Since Wuhan Fortuna Chemical Co., Ltd founded, we continuously innovate our products and improve our service, sales network. Hence, we initiate the first sale mode on net in China, which is the retail trade of small package bring along wholesale of diversified management modes. Our products are exported widely to South Korea, Vietnam, Australia, Europe and South America, highly recommended by our clients.We insist on the management creed “Market is our compass, Quality is our life, Credit is our soul”. Clients’ trust is our forward power, their satisfaction is our struggling goal.
Wuhan Fortuna Chemical Co.,Ltd is a professional manufacturer which provide Azaperone with good quality and best price, welcome to contact us to get COA/TDS/MSDS of Azaperone.
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