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Identify Suppliers 2026 Properties Safty

Benzene-1,4-diol

BGC Id:	114149338520
CAS No:	123-31-9
Synonyms:	he 5 ; melanex ; arctuvin ; hq ; quinol ; tenoxhq ; diak5 ; he5 ; diak 5 ; artra
Molecular Formula:	C6H6O2
Molecular Weight:	110.11064
EINECS:	204-617-8

2026 - The most valued supplier

The following notable provider has been checked and can be recommended.

Leap Chem Co., Ltd

Company type: Bulk and laboratory supplier

Phone: +852-30606658
Country: P.R.China

LEAPChem, a specialized fine chemicals supplier for research, development and production. LEAPChem provides nearly 50,000 rare and innovative chemical products to support the evolving needs of our customers in research & bulk manufacturing activities. As a highly customer-oriented enterprise, we are committed to providing high-quality customer se ...

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What other providers are available for CAS 123-31-9?

The last intensive check and update was carried out on 2026/08/14.

Identify

Synonyms:

he 5 ; melanex ; arctuvin ; hq ; quinol ; tenoxhq ; diak5 ; he5 ; diak 5 ; artra

CAS:

123-31-9

EINECS:

204-617-8

Molecular Formula:

C6H6O2

MDL:

MFCD00002339

Properties

Molecular Weight:

110.11064 g·mol−1

Density:

1.32

Melting point:

172-175 °C(lit.)

Boiling point:

285 °C(lit.)

Flash point:

165 °C

Solubility:

H₂O: 50 mg/mL, clear

Safety Information

Hazard Symbols: Xn, N

Europe standard Hazard pictograms, code and definition

Hazard Classes:

Risk Codes:

22-40-41-43-50-68-R68-R50-R43-R41-R40-R22 (R)

Safety Codes:

26-36/37/39-61-S61-S36/37/39-S26 (S)

WGK Germany:

RID / ADR:

2662

RTECS:

MX3500000

Storage temperature:

Refrigerator

What other providers are available for CAS 123-31-9?

In addition to the providers presented here for Benzene-1,4-diol with the CAS number 123-31-9, there are other 131 providers with slightly different product names available for this CAS number.

+1 additional providers that we know from the past

Quinol

+1 additional providers that we know from the past

Hydroquinone

1,4-Benzenediol

Leap Chem Co., Ltd | BuGuCh & Partners +4 additional providers that we know from the past

Benzohydroquinone

+1 additional providers that we know from the past

p-Dihydroxybenzene

Dayang Chem (Hangzhou) Co.,Ltd. +1 additional providers that we know from the past

1,4-Dihydroxybenzene

BIOZOL Diagnostica Vertrieb GmbH | BuGuCh & Partners +2 additional providers that we know from the past

Hydroquinone photo grade

VMP Chemiekontor GmbH | Carbone Scientific Co., Ltd. +2 additional providers that we know from the past

Hydroquinone-d4 (ring-d4)

+1 additional providers that we know from the past

[U-Ring-13C6]-Hydroquinone

+1 additional providers that we know from the past

Butylhydroxyanisole EP impurity A

+2 additional providers that we know from the past