Gold Member Since 2015
Hongkong Baijin International Trading Co., Ltd.

Isophthalic Acid, IPA, PIA manufacturer / supplier in China, offering Factory Directly, high quality, PIA, isophthalic acid, Lithium Chloride Anhydrous 99.5% CAS No. 7447-41-8, factory price mono ethylene glycol MEG 99.8%min and so on.

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Supplier Homepage Product inorganic chemical series Factory Directly, high quality, PIA, isophthalic acid

Factory Directly, high quality, PIA, isophthalic acid

FOB Price: US $890-910 / Ton
Min. Order: 5 Tons
Min. Order FOB Price
5 Tons US $890-910/ Ton
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Port: Shanghai, China
Production Capacity: 5000mt/ Month
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: CAS No.: 121-91-5
  • Appearance: Powder
  • Acid Strength: Weak Acid
  • Quality: Tech Grade
  • Element: Monobasic Acid
  • Volatility: Volatile Acid
  • CAS: 121-91-5
  • Certificate: SGS ISO REACH CIQ
  • EINECS No.: 204-506-4
  • Transport Package: 25 Kg/Bag
  • Origin: China
  • Classification: Isophthalic Acid
  • Grade Standard: Reagent Grade
  • Kind: Organic Acid
  • Packaging: Paper Bag
  • Oxidation: Oxidizing Acid
  • Stability: Labile Acid
  • use: : Industrial, non-fiber field, PET-bottle, PET-fil
  • MF: C8H6O4
  • Trademark: Sinopec
  • Specification: 99.9%
Product Description

 Phthalic Acid, also called Benzenedicarboxylic Acid with formula C6H4(COOH)2, is the name of any of three isomers.TPA has been used mainly as a raw material of polyester fiber but lately it has been exploited for various uses such as non-fiber field, PET-bottle, PET-film and engineering plastics and as poultry feed additives. Phthalic acid derivatives are also widely used to make dyes, medicine, and synthetic perfumes, pesticides, and other chemical compounds.
--Appearance And Odor: Crystals. White.
--Ph: Not Determined.
--Vapor Pressure: Not Determined.
--Vapor Density: Not Determined. 
--Boiling Point: 212°F(100°C) (Sublimes) Melting Point: 656°F(347°C) 
--Solubility In Water: Not Determined. Specific Gravity (Water=1): 1.54 
ItemsProduct SpecificationTesting Result
Testing Method
AppearanceWhite powder,
without impurities
White powder,
without impurities
Ash content (mg/Kg)≤15≤2513GB/T7531
3-CBA content (mg/Kg)≤25≤250Q/SH3155015
Acid number (mg KOH/gm)673-677673-677675SH/T1612.2
Water (pct w/w )%≤0.10≤0.200.07SH/T1612.4
Mol content (mg/Kg)≤150≤150-SH/T1612.7
5g/100ml DMF
(Platinum - cobalt color)
Fe (mg/Kg)≤2.0≤3.00.6SH/T1612.3
Metals (mg/Kg)≤10≤152.9SH/T1612.3
Inspector GradeSuperior
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