CAS 21656-02-0 Rhodium hydroxide (Rh(OH)3) (HCID 88993)

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Basic information

CAS: 21656-02-0
Standard SMILES: [OH-].[OH-].[OH-].[Rh+3]
InChIKey: KTEDZFORYFITAF-UHFFFAOYSA-K
Molecular formula: Rh-(OH)3
Average molar mass: 153.928 g/mol
Monoisotopic mass: 153.91372296

Names & identifiers

Preferred name: Rhodium hydroxide (Rh(OH)3)
IUPAC: rhodium(3+) trihydroxide
English name: rhodium trihydroxide
Molecular formula: H3O3Rh
Molecular weight: 153.93

Names & synonyms

Rhodium hydroxide21656-02-0Rhodium hydroxide (Rh(OH)3)EINECS 244-508-2RefChem:179257Rhodium trihydroxiderhodium(3+);trihydroxiderhodium(iii) hydroxiderhodium(3+) trihydroxideSCHEMBL8637768K9U9UK29TDTXSID80944256

Show more names

Trihydroxyrhodium(III)rhodium(3+),trihydroxideRh66.9%Rhodium trihydroxideRhodium(III) hydroxide (liquids)rhodium trihydroxide ISO 9001：2015 REACH

F569492

Database identifiers

CAS: 21656-02-0
PubChem CID: 88993
DTXSID: DTXSID80944256
UNII: 8K9U9UK29T
EC Number: 244-508-2
Nikkaji: J225.403D

Properties

Computed structural properties

Topological polar surface area: 3 Å²
Hydrogen bond donors: 3
Hydrogen bond acceptors: 3
Rotatable bonds: 0
Heavy atoms: 4
Formal charge: 0
Complexity: 0

Physicochemical properties

Density: 2.98 · 2.98[at 20℃]
Water Solubility: 100 μg/L · 100μg/L
EPA Substance Registry System: 3 · Rhodium hydroxide (Rh(OH)3) (21656-02-0)
Symbol(GHS): 7 · GHS07
Signal word: Warning
Hazard statements: 302 · H302-H315-H319-H335
Precautionary statements: 280 · P280-P305+P351+P338
TSCA: TSCA listed
REACH Registrations: Active

Safety & regulation

GHS classification

GHS Classification · 4 items

Warning

H302 (22%): Harmful if swallowed [Warning Acute toxicity, oral]

P261, P264, P264+P265, P270, P271, P273, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P317, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 41 reports by companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Hazard information

Regulatory InformationStatus: Active Update: 15-08-2019 https://echa.europa.eu/registration-dossier/-/registered-dossier/19898

Hazard Classes and CategoriesAcute Tox. 4 (22%)

Safety & protection

Protective Action Criteria (PAC) · 3 items

4.5 [mg/m3]

49 [mg/m3]

300 [mg/m3]

Safety data

tsca: TSCA listed
Signal word: Warning
Symbol(GHS): GHS07
Hazard statements: H413
REACH Registrations: Active
Precautionary statements: P280-P305+P351+P338

Chemistry & industry

Uses & manufacturing

General Manufacturing InformationRhodium hydroxide (Rh(OH)3): ACTIVE

Applications

UsesRhodium hydroxide is an inorganic compound that can be used to synthesize rhodium(III) trinuclear acetate and rhodium trifluoroacetate dimer, etc.