1. Product details: ( we have industry grade and Laboratory chemicals )
| Product name |
3-hydroxyphthalic anhydride |
| CAS number |
37418-88-5 |
| Assay |
≥98% |
| Appearance |
Yellowish to off-white powder |
| Capacity |
20mt/year |
| Package |
25kg/drum |
| Application |
Pharmaceutical intermediate |
| More information |
Synonyms: 4-Hydroxy-2-benzofuran-1,3-dione
4-Hydroxyisobenzofuran-1,3-dione
Molecular Formula: C8H4O4
Molecular Weight: 164.115
CAS Number: 37418-88-5 |
2.Specification:
Product Name: 3-HYDROXYPHTHALIC ANHYDRIDE
Synonyms: 4-HYDROXY-ISOBENZOFURAN-1,3-DIONE;3-HYDROXYPHTHALIC ACID ANHYDRIDE;3-HYDROXYPHTHALIC ANHYDRIDE;3-hydroxy-phthalicanhydrid;4-hydroxy-3-isobenzofurandione;1,3-Isobenzofurandione, 4-hydroxy-;Brn 0135783;Nsc 80858
CAS: 37418-88-5
MF: C8H4O4
MW: 164.12
EINECS:
Product Categories: Anhydride Monomers;Monomers;Polymer Science;Carbonyl Compounds;Carboxylic Acid Anhydrides;Organic Building Blocks;Phthalic Acids, Esters and Derivatives
Mol File: 37418-88-5.mol
| Chemical Name |
3-Hydroxyphthalic anhydride |
| Synonyms |
4-hydroxy-2-benzofuran-1,3-dione |
| CAS NO. |
37418-88-5 |
Purity |
99% |
| Appearance |
White powder |
Application |
Pharmaceutical intermediates |
| Molecular Formula |
C8H4O4 |
Molecular Weight |
164.11500 |
| Boiling Point |
365.4ºC at 760mmHg |
Melting Point |
199-202ºC(lit.) |
| PSA |
63.60000 |
LOGP |
0.70280 |
3.APPLICATION for Chemical reagent in Laboratory, also have industry use.
4.Packing and Storage : supply for lab chemical laboratory chemical and industry use.
1kg/Foil Bag,
25kg Cardboard drum;
10/ small bottle
| Storage Condition |
Keep in a cool and dry place |
| Production Capacity |
10tons/month |
| MOQ |
1kg |
| Packaging |
1kg/Foil Bag, 25kg Cardboard drum,10/ small bottle |
| Transportation |
By Sea or by Air(DHL/UPS/TNT/FEDEX/EMS) |
| Port |
Tianjin, Shanghai or any port in China |
| Delivery Time |
7-28 days |
| Payment |
T/T, Western Union or Bitcoin |
| Minimum order quantity |
100g |
| Price |
Negotiable |
| Lead time |
Within 3days upon receipt of payment |
| Delivery time |
About 3 days |
| Packaging details |
Aluminum foil bags or fiber drum |
| Trade terms |
CIF,CFR, FOB |
| Payment terms |
T/T,West Union,Paypal, Credit Card |
| Port |
Shanghai Port,Guangzhou Port,Tianjin Port |
5.Delivery & Loading:
We have the Sufficient inventory!!
6. Factory Introduction:
Xilong Scientific Co.,ltd is a large comprehensive enterprise, it is engaged in the R & D, production,sales trade for chemical industry. We have been in this line for almost 20 years. Our facilities areworld advanced, like the Germany importedproduction line, Modern aseptic production workshop,fully automatic packing machine, stereos/copic warehouse and advanced lab. Soquality goods, competitive price,prompt delivery, stable supply and good after- sales service can be guaranteed. Nowadays, our business scope has been extended to more than 50 types in 6 series,it is water treatment chemical,coating, solvent, detergent chemicals , PVC additives and Food additives). XILONG Chemical materials has been popularly selling worldwidely and the XILONG brand has become a shining business card for our company.
Our aim is to provide customers the high quality products, most competitive pricing, the shortest delivery time and the unequaled service. To reach this, we keep our advantages:
38 years experience
With our good experience, we offer detailed technical support and advice to assist customers.
We communicate closely with customers to establish their quality requirements.
Consistent Quality
Our plant has strict quality control in each manufacturing process. And Our goods passed which quality can be control and guaranteed. Meanwhile all the materials are tested before each shipment in our laboratory to double confirm the quality.
Most competitive pricing
With more than 10 years working experience, we always offer the most competitive pricing to customers to help lower their cost in application.
Shortest delivery time
90% of orders are shipped within 7-10 days after receipt of the prepayment or workable L/C.
Also, our factory have five production lines and one backup production line,can support any urgent orders.
Respond in 24 hours to inquiry, feedback or other requirements
Our experienced staff is dedicated to answer all of your inquires,feedback or other requirements in 24 hours. We welcome you to contact us for more information and look forward to working with you.
Raw material Main Products:
Food Grade: Sodium Bicarbonate,Ammonium Bicarbonate,Citric Acid Mono/Anhydrous BP98,Sodium Benzoate,Potassium Sorbate,Sodium Acid Pyrophosphate,Sodium Cyclamate,Corn Starch,Dextrose Mono/Anhydrous,Ascorbic Acid ( VC ),Calcium Chloride,Magnesium Chloride,Phosphate Acid…
Industrial Grade: Calcium Carbide,Caustic Soda Pearls/Flakes/Solid,Soda Ash Light/Dense,Calcium Chloride,Magnesium Chloride,Magnesium Sulphate,Copper Sulphate,Zinc Sulphate,Formic Acid,Sodium Sulphide,Sodium Hydrosulphide,Sulfamic Acid,Ammonium Chloride,PAX/PEX/PBX/SIBX…
Feed Grade: L-lysince HCL/Sulphate, DCP/MCP/TCP,Potassium Humate
Our Xilong mainly produce for chemical reagents:
1.Chemical Reagent:for lab,Laboratory chemicals ,Laboratory Reagents,Chemical Auxiliary Agent
2.for CP/AR/GR/HPLC/SG Grade
7.Customer Market:
We are TOP 3 manufacturer in China , and we have more than 36 years export
experience for chemical reagent and raw material. Our product have exported the following main markets:
1. European market : Spain / Portugal / Serbia
2. Middle East and central Asia: Bangladesh,Qatar, Saudi Arabia, Nepal,Turkey, Ukraine, Uzbekistan,
and pakistan.
3. African: Kenya, Ethiopia,Tanzania,Nigeria, Tunisia and sounth africa and so on.
4. Southeast Asia: Singapore, Vietnam, Indonesia Australia.
5. South America: Brazil, Argentina,Chile Peru, Colombia and Mexico.
8.FAQ:
Q1.What is your MOQ?
A1.Depend on your order(different kinds of products have different MOQ)
Q2.What is the advantage about your factory?
A2.Our factory has professional team and professional production line
Q3.Why should i choose your products?
A3.Our products are high quality and low price
Q4.Any other good service your company can provide?
A4.Yes,we can provide good after-sale and fast delivery.
Q5.How about the samples?
A5.We could offer the sample for free charge but do not pay the cost of freight
A6.What's your package?
A6.Standard export plastic packaging,but could be designe
Audited Supplier 
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