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Chemical Substance

copper dihydroxide; copper(II) hydroxide 029-021-00-3

CAS Number20427-59-2
EC Number243-815-9
Molecular FormulaCuH2O2
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Identifiers

Cas Number20427-59-2Primary
Ec Number243-815-9
Chemical NameCupric hydroxide
Chemical NameCopper(II) hydroxide
Chemical Namecopper dihydroxide; copper(II) hydroxide 029-021-00-3

GHS Hazard Pictograms

GHS06 Hazard PictogramGHS06
GHS05 Hazard PictogramGHS05
GHS09 Hazard PictogramGHS09

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
Acute Tox. 2
Acute toxicity (inhalation)
Danger
Hazard CodeH330
CategoryAcute Tox. 2
Source: Harmonised C&L
Aquatic Acute 1
Hazardous to the aquatic environment (acute)
Hazard CodeH400
CategoryAquatic Acute 1
Source: Harmonised C&L
Aquatic Chronic 1
Hazardous to the aquatic environment (long-term)
Hazard CodeH410
CategoryAquatic Chronic 1
Source: Harmonised C&L

Regulatory Lists (4)

CLP ANNEX VI — HARMONISED CLASSIFICATION AND LABELLING
Substances with a harmonised classification and labelling in Annex VI of the CLP Regulation (EC) No 1272/2008. The classification is legally binding across the EU and overrides a supplier's own self-classification.
GLOBAL AUTOMOTIVE DECLARABLE SUBSTANCE LIST (GADSL)
Global Automotive Declarable Substance List (GADSL) — Industry-wide list of declarable and prohibited substances in automotive manufacturing
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
ECHA BIOCIDAL ACTIVE SUBSTANCES
ECHA Biocidal Active Substances — Active substances for which approval has been sought under the EU Biocidal Products Regulation (EU) No 528/2012

Related Substances

Copper (II) hydroxide sulfate.
1332-03-2
COPPER(I)HYDROXIDE
12125-21-2
COPPER(II) HYDROXIDE PHOSPHATE
1318-84-9
Copper hydroxide
1344-69-0
Copper(II) methoxide
1184-54-9

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.