General Overview of TPA Terephthalic acid CAS 100-21-0
CAS No.100-21-0
Chemical Name:Terephthalic acid
Molecular Formula:C8H6O4
Formula Weight:166.13
MOL File:100-21-0.mol
Melting point:300 °C
Boiling point:214.32°C (rough estimate)
Density 1,51 g/cm3
vapor pressure <0.01 mm Hg ( 20 °C)
refractive index 1.5100 (estimate)
Flash point:260°C
storage temp. 0-6°C
solubility 15mg/l (experimental)
pka3.51(at 25℃)
form Crystalline Powder
color White
Water Solubility slightly soluble in water (0,017 g/L at 25°C)
Merck 14,9162
Terephthalic acid CAS 100-21-0 a chemical intermediate for organic synthesis from TNJ Chemical,China leading suppliers,factory & manufacturers.If you want to buy Terephthalic acid,please mail to sales@tnjchem.com
Specification
Appearance White crystalline powder
Assay,% ≥99.9
Ash(ppm w/w) ≤9
CBA(ppm w/w) ≤25
Acid number(mg KOH/gm) 675±2
p-Toluic acid(ppm w/w) ≤170
Water(% w/w) ≤0.2
b*(colour) ≤1.2
APHA colour(2N KOH) ≤10
Metals(ppm w/w) None greater than 1 and in total max 4
Median particle size(um) N/A
Application
Terephthalic acid is the raw materials for production polyester resin, film, fiber and insulation paint.
Packaging
25kgs/bag
Safety & Storage & Handling
Stored in dry, shady and cool place. Keep from fire and heat. Keep the temperature under 30℃.
Keep from sunlight. To seal up in the package.
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