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Chemical Substance

1,4-dihydroxybenzene hydroquinone quinol 604-005-00-4

CAS Number123-31-9
EC Number204-617-8
Molecular FormulaC6H6O2
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Identifiers

Cas Number123-31-9Primary
Ec Number204-617-8
Chemical NameHydroquinone
Chemical Name1,4-dihydroxybenzene hydroquinone quinol 604-005-00-4
Chemical NameHydrochinon
Chemical Namehydroquinone
Reach Registration01-2119524016-51

GHS Hazard Pictograms

GHS09 Hazard PictogramGHS09
GHS05 Hazard PictogramGHS05
GHS08 Hazard PictogramGHS08
GHS07 Hazard PictogramGHS07

Hazard Classifications

Acute Tox. 4
Acute toxicity (oral + dermal + inhalation)
Warning
Hazard CodeH302 + H312 + H332
CategoryAcute Tox. 4
Source: Harmonised C&L
Eye Dam. 1
Serious eye damage
Danger
Hazard CodeH318
CategoryEye Dam. 1
Source: Harmonised C&L
Skin Sens. 1
Skin sensitisation
Warning
Hazard CodeH317
CategorySkin Sens. 1
Source: Harmonised C&L
Muta. 2
Germ cell mutagenicity
Warning
Hazard CodeH341
CategoryMuta. 2
Source: Harmonised C&L
Carc. 2
Carcinogenicity
Warning
Hazard CodeH351
CategoryCarc. 2
Source: Harmonised C&L
Aquatic Acute 1
Hazardous to the aquatic environment (acute)
Hazard CodeH400
CategoryAquatic Acute 1
Source: Harmonised C&L

Regulatory Lists (7)

IFA GESTIS INTERNATIONAL LIMIT VALUES
IFA GESTIS International Limit Values (ILV) — Occupational exposure limits for chemical agents in the workplace, maintained by the Institut für Arbeitsschutz der DGUV (Germany)
US EPA
US EPA — Substances regulated or restricted under United States Environmental Protection Agency programs
GLOBAL AUTOMOTIVE DECLARABLE SUBSTANCE LIST (GADSL)
Global Automotive Declarable Substance List (GADSL) — Industry-wide list of declarable and prohibited substances in automotive manufacturing
GERMAN FEDERAL ENVIRONMENT AGENCY (UBA)
German Federal Environment Agency (UBA) — Substances identified by the Umweltbundesamt as environmentally hazardous or requiring regulatory action
KEMI PRIO PHASE-OUT SUBSTANCES
KEMI PRIO Phase-Out Substances — Swedish Chemicals Agency list of substances with properties of very high concern that should be phased out
TRADE UNION PRIORITY LIST
Trade Union Priority List — Substances prioritised by European trade unions for workplace exposure reduction and substitution
EU COSMETIC PRODUCTS REGULATION: PROHIBITED SUBSTANCES
EU Cosmetic Products Regulation: Prohibited Substances — Substances prohibited in cosmetic products under Annex II of Regulation (EC) No 1223/2009

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1-Methyl-2-undecyl-1,4-dihydroquinoline-4-one
59443-02-6
2-(4-hydroxy-2-oxo-1,2-dihydroquinolin-3-yl)quinazolin-4(3H)-one
154325-51-6

Disclaimer

The substance data provided is sourced from various third-party databases and regulatory sources. While we strive to maintain accuracy, we cannot guarantee the completeness, accuracy, or timeliness of this information. Users are responsible for verifying all data before use in compliance, safety, or regulatory contexts. NextSDS is not liable for any decisions made based on this data.