|Product Name:||3-Hydroxyphthalic Anhydride||CAS No.:||37418-88-5|
|Appearance:||Off-white To Light-yellow Crystalline Powder||Assay:||≥ 98.0%|
|Molecular Formula:||C8H4O4||Molecular Weight:||164.11|
CAS no 37418-88-5 Melting Point 199,
3-Hydroxyphthalic anhydride Melting Point 199 to 202
Description (Visual): Off-white to Light-yellow crystalline powder
Assay (Titration or HPLC - A%), min: ≥ 98.0%
Melting Point (Standard M.P. capillary method): 199～202℃
Loss on drying (Drying and weighing method), max: ≤ 0.5%
TRANSPORT REGULATIONS and STORAGE CONDITIONS
Keep containers tightly closed when not in use.
Storage: Store in a cool, dry and well-ventilated place, keep away from incompatible substances.
USE: Used as pharmaceutical intermediates, dye intermediates, pesticide intermediates and organic synthesis intermediates.
Uses of 3-Hydroxyphthalic anhydride: it can be used to produce 3-ethoxy-phthalic acid by heating. It will need reagent 10 percent sodium hydroxide and solvent H2O with the reaction time of 24 hours. The yield is about 65%.
When you are using this chemical, please be cautious about it as the following:
It is irritating to eyes, respiratory system and skin. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. When using it, you need wear suitable protective clothing.
|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: Miss. Mera Zhou