Skip to Content
Merck
CN

PHL80712

Hydroquinone

phyproof® Reference Substance

Synonym(s):

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

Sign In to View Organizational & Contract Pricing.

Select a Size

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

Key Documents

View All Documentation
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

Product Name

Hydroquinone, phyproof® Reference Substance

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.)

Looking for similar products? Visit Product Comparison Guide

Related Categories

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

Regulatory Information

危险化学品
This item has

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
272373
111169608
95307493

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service