Hydroquinone
Quantity
Unit
CAS #
123-31-9
PRODUCT
SYNONYM
Benzene-1,4-diol; 1,4-Benzenediol; Hydroquinone
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FORMULA
C6H4(OH)2
PRODUCT TYPE
Organic
HAZARD
6.1 Toxic Substances
CHEMICAL STRUCTURE
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
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
CLASS
Specialty Chemicals, Plastic Additives, Personal Care - Cosmetic Ingredients, Organic Intermediates and Compounds, Industrial Chemicals, Toxic Release Inventory (TRI) Chemicals
FUNCTIONS
Intermediates, Antioxidants, Polymerization Inhibitor , Chemical Intermediate , Reducing Agent
INDUSTRY
Industrial, Specialty Chemicals
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