|Product Name:||3-Hydroxyphthalic Anhydride||CAS No.:||37418-88-5|
|Appearance:||Off-white To Light-yellow Crystalline Powder||Assay:||≥ 98.0%|
CAS 37418-88-5 98 Percent,
3-Hydroxyphthalic anhydride 98,
3 Hydroxyphthalic anhydride 98 Percent
Product Name: 3-Hydroxyphthalic anhydride
Molecular Formula: C8H4O4
Molecular Weight: 164.11
The 3-Hydroxyphthalic anhydride, with the CAS registry number 37418-88-5, is also known as 4-Hydroxyisobenzofuran-1,3-dione. It belongs to the product categories of Phthalic Acids, Esters and Derivatives; Anhydride Monomers; Monomers; Polymer Science; Carbonyl Compounds; Carboxylic Acid Anhydrides; Organic Building Blocks. This chemical's molecular formula is C8H4O4 and molecular weight is 164.11. What's more, its systematic name is 4-Hydroxy-2-benzofuran-1,3-dione. This chemical should be sealed and stored in a cool and dry place. It is used to modify proteins.
Packing: Net 20kgs, 25kgs in Paper & plastic composite bag or Fiber drum lined with PE bags (Large package), or Upon the consumer's request.
|PRODUCT EXECUTIVE STANDARD||Enterprise Standard|
Off-white to Light-yellow crystalline powder
Light-yellow crystalline powder
Assay (Titration or HPLC - A%), min
(Standard M.P. capillary method)
Loss on drying
(Drying and weighing method), max
up to Standard
Asia Chem I and E (Jiangsu) Co. Ltd is an enterprise specializing in the import and export of intermediates and fine chemicals. It mainly deals in pharmaceutical intermediates, dye intermediates, pesticide intermediates, spice intermediates, organic synthesis intermediates, rubber vulcanization accelerator, polyurethane plastic curing agents, etc.
The company was established in July 2017, headquartered in Jiangsu Province, China, which is at the forefront of fine chemicals. Its business covers all parts of the world. It sincerely cooperates with domestic and overseas fine chemical manufacturers to share benefits.
We conduct quality audits on the source companies, and only those who have passed the assessment can become our qualified suppliers.
We control the quality of imported and exported products, and only those products that have passed third-party inspection agencies (such as the Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences) can be released by us.
We insist on excellence and provide customers with higher quality products.
Single-minded. We specialize in the import and export of nitrobenzoic acid and its derivatives, nitrophthalic acid and its derivatives, and nitrophthalonitrile series to meet your precise demands.
Professional. We have a professional chemical technical team to ensure that you can get quality products.
We specialize in the import and export of nitrobenzoic acid and its derivatives, nitrophthalic acid and its derivatives, and nitrophthalonitrile series products, such as: 3,5-Dinitrobenzoic acid; 3,5 -Dinitrobenzoyl chloride; 3,5-Diaminobenzoic acid; Sodium diatrizoate; 3-Nitrophthalic acid; 3-Nitrophthalic anhydride; 3-Aminophthalic acid; 3 -Nitrophthalonitrile; 3-Nitrophthalic hydrazide; 3-Aminophthalic acid hydrazide; 4-Nitrophthalic acid; 4-Nitrophthalic anhydride; 4 -Aminophthalic acid; 4-Nitrophthalimide; 4-Nitrophthalonitrile; 5-Aminoisophthalic acid; Dimethyl 5-aminoisophthalate; Monomethyl 5-nitroisophthalate; Monomethyl 5-aminoisophthalate, etc.
We also import and export other nitration products, intermediates, and fine chemicals, such as: 2-Methyl-6-nitroaniline; p-Benzoquinone dioxime; 4-Chlorophthalonitrile; 4-Nitro- N-methylphthalimide; 4-Methyl-3-aminobenzoic acid, etc.
We have professional chemical engineers to provide you with pre-sales and after-sales chemical technical services. We also entrust a third-party testing agency to perform quality control to help you get products with confidence.
From samples to finished products, from experimental reagents to industrial products, from specification customization to packaging requirements, we spare no effort to meet your more needs!
Q1. Can I have a sample order for trial purpose?
A: Yes, we welcome sample order to test and check quality.
Q2. Do you have any MOQ limit?
A: Low MOQ, 100g-5kg for sample checking is available.
Q3. How do you ship the goods and how long does it always take to arrive?
A: We usually ship by DHL, UPS, FedEx or TNT. It usually takes 3-5 days to arrive. Airline and sea shipping also optional.
Q4. Are COA, ROS, MSDS, MOA available?
A: Yes, available.
Q5. How about the shelf life of the products?
A: Usually 2-3 years.
Q6. About Payment
A: T/T, L/C, negotiable
Q7. Have you implemented an effective Quality Assurance System in your company?
Q8. Are you certified according to ISO 9001 or ISO 14001?
Q9. Would you agree to an audit of your manufacturing plant by a member of our QA Department?
A: Yes, welcome.
Q10. About proceed an order
A: 1. Pls let us know your quantity, specification and end use.
2. We quote according to your requirements.
3.Customer confirms price and places formal order.
4. Receipt of payment
5. We confirm delivery date and arrange delivery.
Contact Person: Mera Zhou