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H3660 Sigma-Aldrich

Hydroquinone

meets USP testing specifications

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

  •  PubChem Substance ID 24895587

  •  NACRES NA.77

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Properties

Related Categories Analytical/Chromatography, Pharmacopoeia, Pharmacopoeia A-Z, Pharmacopoeial Vitamins and Supplements
Agency/Method   meets USP testing specifications
Quality Level   200
vapor density   3.81 (vs air)
vapor pressure   1 mmHg ( 132 °C)
assay   99.0-100.5% anhydrous basis
autoignition temp.   930 °F
bp   285 °C (lit.)
mp   172-175 °C (lit.)
suitability   suitable for pesticide residue analysis
Featured Industry   Pharmaceutical (small molecule)
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

Description

Packaging

5, 100 g in glass bottle

Safety & Documentation

Safety Information

Signal word 
Danger
RIDADR 
UN 3077 9 / PGIII
WGK Germany 
WGK 3
Flash Point(F) 
329.0 °F - closed cup
Flash Point(C) 
165 °C - closed cup

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Protocols & Articles
Peer-Reviewed Papers
15

References

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