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Hydroquinone, 99%, Thermo Scientific Chemicals
Hydroquinone is used as a reducing agent and finds applications in black and white photographic developers for film and paper along with 4-(methylamino)phenol sulfate (metol). In this application, silver halides are reduced to elemental silver. It acts as a polymerization inhibitor which prevents polymerization of acrylic acid, methyl methacrylate, cyanoacrylate and other monomers. It undergoes mild oxidation to convert into parabenzoquinone. It is also used as an intermediate to produce antioxidants for rubber and food.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
Hydroquinone is used as a reducing agent and finds applications in black and white photographic developers for film and paper along with 4-(methylamino)phenol sulfate (metol). In this application, silver halides are reduced to elemental silver. It acts as a polymerization inhibitor which prevents polymerization of acrylic acid, methyl methacrylate, cyanoacrylate and other monomers. It undergoes mild oxidation to convert into parabenzoquinone. It is also used as an intermediate to produce antioxidants for rubber and food.
Solubility
Soluble in water, methanol, ethanol, diethyl ether, acetone, benzene and carbon tetrachloride.
Notes
Air and light sensitive. Incompatible with strong bases and strong oxidizing agents.
Specifications
Melting Point
170°C to 172°C
Density
1.32
pH
3.75
Boiling Point
285°C to 287°C
Flash Point
165°C (329°F)
Odor
Odorless
Quantity
250 g
UN Number
UN3077
Beilstein
605970
Sensitivity
Air and light sensitive
Hazard Category
H302-H317-H318-H335-H341-H351-H500
Hazard Statement
GHS H Statement
H318-H341-H351-H302-H317
Causes serious eye damage.
Suspected of causing genetic defects.
Suspected of causing cancer.
Harmful if swallowed.
May cause an allergic skin reaction.
Precautionary Statement
P201-P202-P261-P264b-P270-P271-P272-P280g-P281-P301+P312-P302+P352-P304+P340-P305+P351+P338-P308+P313-P310-P330-P333+P313-P363-P501c
DOTInformation
Transport Hazard Class: 9; Packing Group: III; Proper Shipping Name: ENVIRONMENTALLY HAZARDOUS SUBSTANCES, SOLID, N.O.S.
EINECSNumber
204-617-8
RTECSNumber
MX3500000
TSCA
Yes
Recommended Storage
Ambient temperatures; Store under Argon
RUO – Research Use Only
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