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240125 Sigma-Aldrich

Hydroquinone

≥99%

Synonym: 1,4-Benzenediol, 1,4-Dihydroxybenzene, HQ

  • CAS Number 123-31-9

  • Linear Formula C6H4-1,4-(OH)2

  • Molecular Weight 110.11

  •  Beilstein/REAXYS Number 605970

  •  EC Number 204-617-8

  •  MDL number MFCD00002339

Purchase

Properties

vapor density   3.81 (vs air)
vapor pressure   1 mmHg ( 132 °C)
assay   ≥99%
autoignition temp.   930 °F
bp   285 °C (lit.)
mp   172-175 °C (lit.)
SMILES string   Oc1ccc(O)cc1
InChI   1S/C6H6O2/c7-5-1-2-6(8)4-3-5/h1-4,7-8H
InChI key   QIGBRXMKCJKVMJ-UHFFFAOYSA-N
Safety & Documentation

Safety Information

Signal word 
Danger
Hazard statements 
RIDADR 
UN 3077 9 / PGIII
WGK Germany 
3
RTECS 
MX3500000
Flash Point(F) 
329 °F
Flash Point(C) 
165 °C
Protocols & Articles
Peer-Reviewed Papers
15

References

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Description

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H9003 Hydroquinone, ReagentPlus®, ≥99%

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