Crystalline Powder Phthalic Anhydride
CAS No.85-44-9
Purity：≥99.5%
Molecular Formula：C8H4O3
Phthalic anhydride, referred to as PA, a white scaly or crystalline powder. Phthalic anhydride is an important raw material in chemical industry, especially used in the manufacture of plasticizers, like Dibutyl phthalate and dioctyl phthalate.
Parameter
Technical standard GB/T 15336-2013
Index name | Index | ||
Superior products | First-grade products | Qualified products | |
Appearance | White flake or crystalline powder | Scaly or crystalline powder with other colors | |
Molten chroma ≤ | 20 | 50 | 100 |
Thermal stability chroma ≤ | 50 | 150 | — |
Sulphuric acid chroma≤ | 40 | 100 | 150 |
Crystallization point, ℃ ≥ | 130.5 | 130.3 | 130.0 |
Purity,% ≥ | 99.5 | 99.5 | 99.5 |
Mass fraction of free acid,% ≤ | 0.20 | 0.30 | 0.50 |
Product Performance and Application
Phthalic anhydride, short as PA, a white scaly or crystalline powder. Its Molecular formula is C8H403, molecular weight is 148.12, melting point is 131.1l ℃, boiling point is 284.5 ℃, flash point is 151 ℃ (closed) and 165 ℃ (open), spontaneous ignition point is 584 ℃and density (solid) is 1.527g/cm3. It is insoluble in cold water and soluble in hot water, ethanol, ether, benzene and other organic solvents.
Phthalic anhydride is an important raw material in chemical industry, especially used in the manufacture of plasticizers like DBP and DOP etc. can also be used together with other materials in the manufacture of products like resin, paint, glass fiber reinforced plastics. At the same time, It also is the raw material of benzoic acid and terephthalic acid.
About the package
About the package, we have two kinds of packages for you,
1. 25kg small bag, it is more concient to use.
2. 500kg big bag, it is more economical.
About Us
Kaifeng Jiuhong Chemical Co., Ltd. was founded in July 2014, located in Kaifeng city,Henan Province, the middle of China. The detailed address is in No. 3, Suzhou Road West Section, Fine Chemical Industry Agglomeration Area, Yuwangtai District, Kaifeng City. With the goal of building a "million-ton new material industrial park", the company has established subsidiaries or participating companies such as:
Shanghai Chenghong New Material Co., Ltd.,
Kaifeng Ruihong Chemical Co., Ltd.,
Kaifeng Yuhong New Material Co., Ltd.,
Ningxia Jiuhong Chemical Technology Co., Ltd. etc.
Our company has a registered capital of 280 million yuan, covering an area of 400 mu, with a total investment of 1.2 billion yuan and more than 600 employees.
The main export products: Phthalic anhydride (PA) and plasticizers like Dibutyl phthalate(DBP), Dioctyl Phthalate(DOP), Dioctyl terephthalate(DOTP), Di (2-propyl heptyl) phthalate（DPHP), Tributyl citrate(TBC) and 2-Ethylhexanoic acid.
The comprehensive production capacity of our company is about 1 million tons / year, Our products were exported to many countries, like the United States, Russia, India, Pakistan, Uzbekistan and so on, and got very good feedback.
In today's global trade integration, the company adheres to the marketing concept of "professional focus, mutual assistance and mutual benefit" to create a sincere, fair, efficient and win-win service environment for customers.
FAQ
Q1: Are you the trading company or manufacturer ?
A: We are the manufacturer.
Q2: Can I get a free sample?
A: Yes, a sample less than 2 kg is free, you only need to pay the delivery cost.
Q3. What is your terms of payment?
A:We prefer TT, 30% as deposit, and 70% before delivery. but other ways is also negotiable.
Q4: How long is your delivery time?
A: We can do the delivery as soon as the payment.
Q5. Do you test all your goods before delivery?
A: Yes, we will test the product at least 3 times during the producing, And before delivery we will test it again.
