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1,4-Benzenedicarboxylic acid(CAS#100-21-0)

Chemical Property:

Molecular Formula C8H6O4
Molar Mass 166.13
Density 1.58 g/cm3 at 25 °C
Melting Point >300 °C (lit.)
Boling Point 214.32°C (rough estimate)
Flash Point 260°C
Water Solubility slightly soluble in water (0,017 g/L at 25°C)
Solubility Slightly soluble in hot ethanol, soluble in alkali, almost insoluble in water, chloroform, ether and acetic acid.
Vapor Presure <0.01 mm Hg ( 20 °C)
Appearance White powder
Color White
Exposure Limit ACGIH: TWA 10 mg/m3
Merck 14,9162
BRN 1909333
pKa 3.51(at 25℃)
PH 3.36(1 mM solution);2.79(10 mM solution);2.26(100 mM solution)
Storage Condition Sealed in dry,Room Temperature
Stability Stable. Combustible. Incompatible with strong oxidizing agents.
Refractive Index 1.5100 (estimate)
MDL MFCD00002558
Physical and Chemical Properties Character White needle-like crystal or powder.
The relative density of 1.510g/cm3
soluble in alkali solution, soluble in hot ethanol, insoluble in water, ether, acetic acid and chloroform.
Use It is an important raw material for the manufacture of polyester resin, film, fiber, insulating paint and engineering plastics

Product Detail

Product Tags

Hazard Symbols Xi – Irritant
Risk Codes 36/37/38 – Irritating to eyes, respiratory system and skin.
Safety Description S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36 – Wear suitable protective clothing.
WGK Germany 3
RTECS WZ0875000
TSCA Yes
HS Code 2917 36 00
Toxicity LD50 orally in Rabbit: > 6400 mg/kg

 

Introduction

Sublimation without melting at about 300 ℃.


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