ArioExir

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 ArioExir
Hydroquinone

Hydroquinone

ProductType:Chemicals
Product Category:Laboratory chemicals
Product Sub Category:Sigma Aldrich
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Description
Catalogue Number 822333
Synonyms 1,4-Dihydroxybenzene, Quinol
Description Hydroquinone

Product Information
CAS number 123-31-9
EC index number 604-005-00-4
EC number 204-617-8
Hill Formula C₆H₆O₂
Chemical formula C₆H₄(OH)₂
Molar Mass 110.11 g/mol
HS Code 2907 22 00
Structure formula Image Structure formula Image
Quality Level MQ200

Applications
Application Hydroquinone for synthesis. CAS 123-31-9, EC Number 204-617-8, chemical formula C₆H₄(OH)₂.

Physicochemical Information
Boiling point 287 °C (1013 hPa)
Density 1.332 g/cm3 (15 °C)
Flash point 165 °C
Ignition temperature 515 °C
Melting Point 171 °C (decomposition)
pH value 3.7 (70 g/l, H₂O)
Vapor pressure 1 hPa (132 °C)
Bulk density 600 kg/m3
Solubility 70 g/l

Toxicological Information
LD 50 oral LD50 Rat 302 mg/kg

Safety Information according to GHS
Hazard Pictogram(s) Hazard Pictogram(s)
Hazard Pictogram(s)
Hazard Pictogram(s)
Hazard Pictogram(s)
Hazard Statement(s) H302: Harmful if swallowed.
H318: Causes serious eye damage.
H341: Suspected of causing genetic defects.
H351: Suspected of causing cancer.
H410: Very toxic to aquatic life with long lasting effects.
Precautionary Statement(s) P202: Do not handle until all safety precautions have been read and understood.
P273: Avoid release to the environment.
P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.
P301 + P312: IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P308 + P313: IF exposed or concerned: Get medical advice/ attention.
Signal Word Danger
RTECS MX3500000
Storage class 10 - 13 Other liquids and solids
WGK WGK 3 highly hazardous to water
Disposal 3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.

Safety Information
Categories of danger harmful, carcinogenic, irritant, sensitizing, mutagenic, dangerous for the environment

Storage and Shipping Information
Storage Store at +2°C to +30°C.

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