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31126-81-5

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Basic Information
CAS No.: 31126-81-5
Name: di-μ-propionato-bis
Molecular Structure:
Molecular Structure of 31126-81-5 (di-μ-propionato-bis)
Formula: C12H20 O8 Rh2
Molecular Weight: 498.097
Synonyms: Rhodium,tetrakis(m-propionato)di-, (Rh-Rh) (8CI);Rhodium, tetrakis[m-(propanoato-O:O')]di-, (Rh-Rh); Propanoic acid, rhodium complex;Di-rhodium (II) tetrakis(3,3,3-triphenylpropionate); Rhodium(II) propionate;Tetrakis-m-(propionato)dirhodium
Density: g/cm3
Boiling Point: 141.7°Cat760mmHg
Flash Point: 57.7°C
Safety: Poison by intraperitoneal route. Mutation data reported. When heated to decomposition it emits acrid smoke and irritating fumes. See also RHODIUM.
PSA: 105.20000
LogP: 1.61560
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Chemistry

IUPAC Name: Propanoate; rhodium(2+)
Synonyms of Rhodium(II) propionate (CAS NO.31126-81-5): Rhodium, tetrakis(mu-(propanoato-O:O'))di-, (Rh-Rh) ; Rhodium, tetrakis(mu-propionato)di-, (Rh-Rh)
CAS NO: 31126-81-5
Molecular Formula: C12H20O8Rh2
Molecular Weight : 498.093400 g/mol
Molecular Structure:
H bond acceptors: 2
H bond donors: 1
Freely Rotating Bonds: 1
Polar Surface Area: 37.3 Å2
Flash Point: 57.7 °C
Enthalpy of Vaporization: 40.08 kJ/mol
Boiling Point: 141.7 °C at 760 mmHg
Vapour Pressure: 4.23 mmHg at 25°C

Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 4500ug/kg (4.5mg/kg)   Proceedings of the Society for Experimental Biology and Medicine. Vol. 145, Pg. 1278, 1974.

Safety Profile

Poison by intraperitoneal route. Mutation data reported. When Rhodium(II) propionate (CAS NO.31126-81-5) is heated to decomposition, it emits acrid smoke and irritating fumes. See also RHODIUM.

Standards and Recommendations

OSHA PEL: TWA 0.1 mg(Rh)/m3
ACGIH TLV: TWA 1 mg(Rh)/m3