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 |