O-phthalic Anhydride

CAS: 85-44-9

Chemical formula: C₈H₄O₃

Molecular weight: 148.11

Melting point: 130.8 ºC

Boiling point: 284 ºC

Water soluble: soluble in hot water

Density: 1.53 g/cm³

Exterior: White, acicular crystal

Flash Point: 152 ºC

 

Use:                                                                                                      
 

USES: 1. Phthisic anhydride is one of the most important organic chemical raw materials, its main derivatives are dibutyl phthalate;Dioctyl and diisobutyl ester are used as plasticizers for PVC, etc. It can also be used to produce unsaturated polyester resin. Alkyd resin; Dyes and pigments; A variety of paints; Food additives; Phenolphthalein, a laxative used in medicine; mine triphosphate in pesticides; Grass pine and saccharin sodium and so on.

2. This product is used as curing agent for epoxy resin. This product is an important organic chemical raw material, mainly used in the production of phthalate plasticizers, coatings, saccharin, dyes and organic compounds of the important intermediate, pesticide, fungicide, rubber processing AIDS, photosensitive materials, etc.

3. Used as analytical reagent.Organic synthesis intermediate. The dye industry is used to prepare anthraquinone, 2-chloroanthraquinone, 1, 4-dihydroxy anthraquinone and other important intermediates, as well as phthalocyanine blue BS, phthalocyanine blue BX, phthalocyanine blue B and other dyes.

4. It is an important organic chemical raw material. In the synthetic resin industry for the production of polyester resin, amino resin, unsaturated polyester resin, alkyd resin and so on. Dye industry is used to prepare anthraquinone, chloroanthracene dihydroxyl anthraquinone and other dye intermediates and phthalocyanine blue BS, phthalocyanine blue BX, phthalocyanine blue B and other dyes.The plastics industry is used to prepare plasticizers such as dibutyl phthalate, dioctyl phthalate and their mixtures. It is also an important intermediate in the manufacture of many medicines, paints and organic compounds.

5. Used for manufacturing plasticizers, dibutyl benzoate, resins and dyes, etc.

About us:                                                                                             


Payment and Shipping:                                                                                    

FAQ:                                                                                                   

1.I want to add my logo or design of my own,is it ok?

Yes, of course, we provide OEM/ODM service. We can put your logo on the bag.

2. How can I know your quality?
Please feel free to contact us, we will send you some samples to check the quality before you place an order.

3.How do you guarantee the quality?

Firstly, our quality-inspection department will reduce the quality problem to near zero.
If there is any product issue Please be free to contact us.

4. May l order a small quantity of products?

Different models have different MOQ.You'd better contact us to confirm.
1) We can suggest you some other models which thave small MOQ.
2) We can suggest you the products in stock.
3) We may increase the FOB price based on small quantity.
4) We can have a talk to solve the problem in a happy method.

5.What payment terms do you accept?

We accept the L/C, T/T, But normally 30% deposit before production and pay the balance upon copy of B/L.

6. When can you send me the products after my payment?

The delivery time is about 30-40 days after order confirmed.If there is going to have delivery delay, we will inform you the situation possible to occur in advance.

7.Do you provide samples?

Yes, we are glad to send you samples for quality checking, Please kindly afford the shipping cost,sample is free. But if the bulk order is confirmed, sample shipping cost can be reund.