Tetrahydrophthalic Anhydride(THPA)
| Items |
Index |
Molecular formula |
C8 H8 O3 |
| Appearance |
white flaky solid |
Molecular weight |
152.15 |
| Color(Pt-Co),Hazen |
≤80 |
Mp,ºC |
100.0±2.0 |
| Content,% |
≥99.0 |
|
|
Applications:
Chemical industry
Resin synthesis: It is an important raw material for the preparation of alkyd resin and unsaturated polyester resin, which can improve the performance of the resin, such as improving the flexibility, water resistance and weather resistance of the resin.
Curing agent: As the curing agent of epoxy resin, it reacts with epoxy resin to form a three-dimensional network structure, so that epoxy resin has good mechanical properties, heat resistance and chemical corrosion resistance.
Pharmaceutical field: As an intermediate of drug synthesis, participating in the preparation of various drugs, such as antibiotics, anti-cancer drugs and cardiovascular and cerebrovascular drugs. It can also be used as an additive for drugs to improve the solubility, stability and taste of drugs, and improve the absorption and bioavailability of drugs.
Agricultural field: It can be used as synthetic raw materials of pesticides to prepare efficient and low-toxicity pesticide products for crop protection and management, and effectively control the growth of pests and germs.
Other fields: It can also be used in insecticides, vulcanization regulators, plasticizers and surfactants.
Storage:
This product shall be airtight, out of the sun, moisture-proof and away from heat. The storage period is one year.
| Fusing point |
101-102°C |
solubility |
soluble in DCM, Ethyl Acetate, Toluene |
| Boiling point |
195°C 5mm |
Acidity coefficient |
3.84[at 20 ºC] |
| density |
1,375 g/cm3 |
Form Solid |
Solid |
| Vapor pressure |
0.021Pa at 20ºC |
Color Off-White to Light Tan |
Off-White to Light Tan |
| Refractive index |
1.4810 (estimate) |
Water solubility |
29.4g/L at 20ºC |
| Flash point |
157°C |
LogP |
1.29 at 40ºC |
| Storage condition |
Store below +30°C. |
external properties |
White crystal, m.p.103 ~ 104ºC,
soluble in general solvent,
slightly soluble in petroleum ether |
Hunan Huahexing Chemical Trading Co., Ltd. is a large comprehensive economic entity integrating production and sales. Founded in 2017, the company is located in -- Yueyang, the only foreign trade port city in Hunan Province. The company covers an area of 66, 000 square meters with a registered capital of 8000. During the seven years of the company, the total turnover of the company has increased year by year. Annual sales in 2023 reached $19, 000, 000. The company always adhere to the quality of the products, self-produced products: Benzyl alcohol, dimethylsulfoxide, ethyl acetate, cyclohexanone. In terms of technology, we invite professors from Tsinghua University to participate in the production, adopt international advanced technology and equipment, and through the global procurement platform, we comprehensively practice the improvement and optimization of quality system, product quality is widely recognized by customers, and long-term cooperation with large state-owned enterprises such as petrochina and Sinopec. The company is one of the largest comprehensive chemical trade and distribution service providers in the province.
1). Q: How do you control the quality?
A: We have own quality control system, also do any other Third-party test. Our lab do the inspection for 10 years.
2). Q: Do you accept small orders ?
A: Yes. If you are a small retailer or starting up business,We are definitely willing to grow up with you.
And we are looking forward to co-work with you for a long term relationship.
3). Q: Do you provide sample?
A: Sure, we provide 50g free sample.
4). Q: How about the price? Can you make it cheaper ?
A: We always take the customer's benefit as the top priority. Price is negotiable under different conditions,
we are assuring you to get the most competitive price.
5). Q: Are you able to deliver on time?
A: Of course! we specialised in this line for many years,many customer make a deal with me because we can
deliver the goods on time and keep the goods top quality!
6). Q: Can I visit your company and factory in China?
A: Sure. You are very welcomed to visit our company in YueYang, China,we will personally take you to visit the factory and explain your doubts in detail.
7). Q: How Can I place an order?
A: You could just send us inquiry to any of our sales representatives to get detailed order information, and we will explain the detail process.
8). Q: When will i get your reply?
A: We ensure the fastest response, fastest service,E-mails will be replied with in 12 hours.
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