Project Description

PRODUCT SPECIFICATIONS

PRODUCT

Hydroquinone

CAS #

123-31-9

SYNONYM

Benzene-1,4-diol; 1,4-Benzenediol; Hydroquinone

FORMULA

C6H4(OH)2

PRODUCT TYPE

Organic

HAZARD

6.1 Toxic Substances

ASSAY %

99% Min

MELTING POINT

170.5 °C Min

WATER WHEN SHIPPED

0.3% Max

DROPPING POINT

285°C

VAPOR DENSITY

3.81

SPECIFIC GRAVITY (20°C)

1.35 @20°C

FLASH POINT COC °C

165°C

AUTO IGNITION TEMP

930°F

SENSORIC

Off white or slight yellow crystalline powder.

RESIDUE ON IGNITION

0.3% Max

VAPOR PRESSURE

.1 mmHg @ 60°C

SOLUBLE

Soluble 7g/100ml in water.

ODOR

odorless

PH

weakly acidic (aq. solns.)

COLOR

discolored by light and air

MOLECULAR WEIGHT

110.11

FLASH POINT

(tcc) 165 c

SOLUBILITY

water, alcohol, ether, ccl4, oxygenated solvs.

BOILING POINT

285 c

DENSITY

1.330

AUTO/SELF IGNITION TEMPERATURE

temp. 516 c

SLIGHTLY SOLUBLE

in benzene

MODERATELY SOLUBLE

in acetone

NOTES

Hydroquinone is a water-soluble reducing agent making it an excellent polymerization inhibitor for acrylates.

 

It also finds use in topical skin creams and lotions for reducing the signs of age.

Use: STABILISING

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