هیدروکینون 822333 مرک آلمان

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

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	1.358 g/cm3 (20 °C)
Flash point	165 °C
Ignition temperature	515 °C
Melting Point	172 °C (decomposition)
Vapor pressure	<0.1 hPa (25 °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 Statement(s)	H302: Harmful if swallowed. H317: May cause an allergic skin reaction. H318: Causes serious eye damage. H341: Suspected of causing genetic defects. H351: Suspected of causing cancer. H400: Very toxic to aquatic life.
Precautionary Statement(s)	P273: Avoid release to the environment. P280: Wear protective gloves. P280: Wear eye protection. P302 + P352: IF ON SKIN: Wash with plenty of soap and water. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P313: Get medical advice/ attention.
RTECS	MX3500000
Storage class	10 - 13 Other liquids and solids
WGK	WGK 3 highly water endangering
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
Hazard Symbols	Dangerous for the environment Harmful
Categories of danger	harmful, carcinogenic, irritant, sensitizing, mutagenic, dangerous for the environment
R Phrase	R 22-40-41-43-68-50 Harmful if swallowed.Limited evidence of a carcinogenic effect.Risk of serious damage to eyes.May cause sensitisation by skin contact.Possible risk of irreversible effects.Very toxic to aquatic organisms.
S Phrase	S 26-36/37/39-61 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, gloves and eye/face protection.Avoid release to the environment. Refer to special instructions/ Safety data sheets.

Storage and Shipping Information
Storage	Store below +30°C.

Transport Information
Declaration (railroad and road) ADR, RID	UN 3077 , 9, III
Declaration (transport by air) IATA-DGR	UN 3077 , 9, III
Declaration (transport by sea) IMDG-Code	UN 3077 , 9, III, Marine Pollutant: P