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MilliporeSigma

PHL80712

Hydroquinone

phyproof® Reference Substance

Synonym(s):

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

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100 MG

$223.00

$223.00

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About This Item

Linear Formula:
C6H4-1,4-(OH)2
CAS Number:
123-31-9
Molecular Weight:
110.11
NACRES:
NA.24
UNSPSC Code:
41116107
Beilstein/REAXYS Number:
605970
MDL number:
MFCD00002339

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SMILES string

Oc1ccc(O)cc1

InChI key

QIGBRXMKCJKVMJ-UHFFFAOYSA-N

InChI

1S/C6H6O2/c7-5-1-2-6(8)4-3-5/h1-4,7-8H

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.)

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1 of 4

This Item
74347PHR1469H3660
Hydroquinone phyproof® Reference Substance

PHL80712

Hydroquinone

Hydroquinone certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

Supelco

74347

Hydroquinone

Hydroquinone Pharmaceutical Secondary Standard; Certified Reference Material

Supelco

PHR1469

Hydroquinone

Hydroquinone meets USP testing specifications

Sigma-Aldrich

H3660

Hydroquinone

grade

primary reference standard

grade

certified reference material, TraceCERT®

grade

certified reference material, pharmaceutical secondary standard

grade

-

vapor density

3.81 (vs air)

vapor density

3.81 (vs air)

vapor density

3.81 (vs air)

vapor density

3.81 (vs air)

vapor pressure

1 mmHg ( 132 °C)

vapor pressure

1 mmHg ( 132 °C)

vapor pressure

1 mmHg ( 132 °C)

vapor pressure

1 mmHg ( 132 °C)

product line

phyproof® Reference Substance

product line

TraceCERT®

product line

-

product line

-

assay

≥98.0% (HPLC)

assay

-

assay

-

assay

99.0-100.5% anhydrous basis

form

crystals

form

-

form

-

form

-

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

WGK 3

flash_point_f

329.0 °F - closed cup

flash_point_c

165 °C - closed cup

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Certificates of Analysis (COA)

Lot/Batch Number
272373
111169608
95307493

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