Details:

Product  Description：

Molecular Formula	C7H6O4
Molar Mass	154.12
Density	1.54
Melting Point	197-200 °C (dec.) (lit.)
Boling Point	237.46°C (rough estimate)
Flash Point	216.3°C
Water Solubility	Soluble in hot alcohol and ether. Slightly soluble in water.
Solubility	Soluble in water, ethanol, ether, acetone, slightly soluble in benzene and chloroform, insoluble in petroleum ether.
Vapor Presure	1.75E-07mmHg at 25°C
Appearance	White to brown crystalline powder, discolored in air
Color	Beige to brown
Merck	14,7894
BRN	1448841
pKa	4.48(at 25℃)
PH	3.78(1 mM solution);3.25(10 mM solution);2.74(100 mM solution)
Storage Condition	Store below +30°C.
Stability	Stable. Incompatible with strong oxidizing agents, strong bases.
Sensitive	Air Sensitive
Refractive Index	1.6400 (estimate)
MDL	MFCD00002509
Physical and Chemical Properties	Melting Point: 198-202°C
Use	Used as a dye, pharmaceutical intermediates

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Company Profile：

 

Wuhan Han Sheng New Material Technology Co. Ltd is a professional company which specialized in manufacturing and selling chemical raw materials, chemical products, pharmaceutical intermediates, veterinary medicine intermediates, dye intermediates, pigments, cosmetics raw materials and chemical reagents.

We have long term cooperation pharmaceutical raw material production plant and a reagent research and development center, with a rich professional background and strong competitive advantage. We have a professional and experienced team and we promise clients to provide the best quality, price and service. During the business cooperation with clients, we always adhere principle of Honesty, Trustworthiness and win-win policy. We guarantee 100% qualification of our products pass through the standard of USA, Mexico, UK, Australia, Canada, Brazil, France, Germany, Spain, Belgium, Sweden, the Netherlands and so on.

 

 

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Exhibitions:

 

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Products & Packaging：

 

Our products are used for pharmaceuticals, pesticides, synthetic dyes, organic chemicals, inorganic chemicals, coatings, spices and essence, cosmetics and toilet products, soaps and synthetic detergents, surfactants, printing inks and their auxiliaries, adhesives, photosensitive materials, magnetic materials, catalysts, reagents, water treatment agents and polymer flocculants, papermaking auxiliaries, leather auxiliaries, synthetic materials auxiliaries, textile printing and dyeing agents and finishing agents, food additives Feed additives, animal drugs, etc.

 

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About  Us 

 

 

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Shipment & Payment：

 

*small quantity: By Fedex, DHL, HKPOST, UPS, TNT or As customers’ requirement

*Bulk order: By air or sea

*Delivery: within 3 days for samples and 10 days for bulk order

 

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Our Markets: 

 

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FAQ

 

1. Are you a trade company or factory

We are a factory with our own trading company.

 

2. How do you control the quality

Our factory is equipped with professional technicians to inspect the quality around production lines. The inspection test would be made every 2 hours to ensure the production conform to quality standard. We also accept BV, SGS, or any third pary inspection.

3. How long is lead time

We deliver goods within 3 days for small order, 7-10 days for bulk order.

 

4. Where is your factory located How can I visit the factory

Our factory located in Hebei, China

 

5. Can I get some samples

Yes, we can supply sample with free, but the shipping cost be paid by our customers.

 

6. How to start orders or make payments

Proforma Invoice will be issued first after confirmation of order, enclosed our bank information. Payment could be done by T/T or .

 

7. How to confirm the product quality before placing order

You can get free samples for some products. You only need to pay the shipping cost or arrange a courier to us and take the samples.

 

8. How do you treat quality complaint

First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.