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H3660

Hydroquinone

meets USP testing specifications

Synonym(s):

1,4-Benzenediol, 1,4-Dihydroxybenzene, HQ

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About This Item

Linear Formula:
C6H4-1,4-(OH)2
CAS Number:
123-31-9
Molecular Weight:
110.11
UNSPSC Code:
41116107
NACRES:
NA.77
PubChem Substance ID:
24895587
EC Number:
204-617-8
Beilstein/REAXYS Number:
605970
MDL number:
MFCD00002339
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Quality Segment

200

agency

USP/NF, meets USP testing specifications

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

application(s)

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

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Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 2 - Eye Dam. 1 - Muta. 2 - Skin Sens. 1B

Storage Class

11 - Combustible Solids

flash_point_f

329.0 °F - closed cup

flash_point_c

165 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

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