HYDROQUINONE ,123-31-9 _Chemical Cloud Database

HYDROQUINONE

Basic Information
Product Name：	HYDROQUINONE
CAS：	123-31-9
English Synonyms：	1,4-DIHYDROXYBENZENE ; ATTERCOP-CHM AT116729 ; HYDROQUINONE ; 1,2 BENZOLDIOL ; HYDROQUINONE SOLUTION ; P-DIHYDROXYBENZENE ; 1,4-DIHYDROXY-BENZOL ; P-BENZENEDIOL ; 4-DIHYDROXYBENZENE ; BENZENE-1,4-DIOL ; LABOTEST-BB LTBB001931 ; 1,4-BENZENEDIOL ; QUINOL ; HYDROCHINONE ; P-DIOXYBENZENE ; HYDROQUINOL ; HQ
MDL Number.：	MFCD00002339
H bond acceptor：	2
H bond donor：	2
Smile：	C1(O)=CC=C(O)C=C1
InChi：	InChI=1S/C6H6O2/c7-5-1-2-6(8)4-3-5/h1-4,7-8H
InChiKey：	InChIKey=QIGBRXMKCJKVMJ-UHFFFAOYSA-N
Property
Melting Point：	172-175 DEG C(LIT)/170-171℃
Boiling Point：	DENSITY: 1.32
Density：	vapor3.81(vsair)
Physical Property：	AUTOIGNITION TEMPERATURE: 930 DEG F VAPOR DENSITY: 3.81 (VS AIR) VAPOR PRESSURE: 1 MMHG (132 DEG C)
Comments：	GENERAL DESCRIPTION: CERTIFIED CONTENT BY QUANTITATIVE NMR INCL UNCERTAINTY AND EXPIRY ARE GIVEN IN THE CERTIFICATE. DOWNLOAD YOUR CERTIFICATE AT: HTTP://WWW.SIGMA-ALDRICH.COM LEGAL INFORMATION: TRACECERT IS A REGISTERED TRADEMARK OF SIGMA-ALDRICH CO LLC SHELF LIFE: LIMITED SHELF LIFE, EXPIRY DATE ON THE LABEL
Specification：	TRACECERT(R)
Safety information
Symbol：	GHS05 GHS07 GHS08 GHS09
Signal word：	Danger
Hazard statements：	H302-H317-H318-H341-H351-H410
Precautionary statements：	P273-P280-P305 + P351 + P338-P501
hazard symbol：	Xn,N
Risk Code：	R:22-40-41-43-50-68
Safe Code：	S:26-36/37/39-61
UN Code：	2662
WGK Germany：	3

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