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Key Documents

PHL80712

Hydroquinone

phyproof® Reference Substance

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:
Molecular Weight:
110.11
Beilstein/REAXYS Number:
605970
MDL number:
UNSPSC Code:
41116107
NACRES:
NA.24

grade

primary reference standard

vapor density

3.81 (vs air)

vapor pressure

1 mmHg ( 132 °C)

product line

phyproof® Reference Substance

assay

≥98.0% (HPLC)

form

crystals

autoignition temp.

930 °F

manufacturer/tradename

PhytoLab

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

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General description

This substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities). The exact value can be found on the certificate. Produced by PhytoLab GmbH & Co. KG

Legal Information

phyproof is a registered trademark of PhytoLab GmbH & Co. KG

signalword

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

wgk_germany

WGK 3

flash_point_f

329.0 °F - closed cup

flash_point_c

165 °C - closed cup


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