Dimanganese trioxide
[CAS# 1317-34-6]

Identification

• Classification: Inorganic chemical industry >> Inorganic salt >> Oxides of rare earth metals, yttrium or scandium
• Name: Dimanganese trioxide
• Synonyms: Manganese(III) oxide; Manganic oxide
• Molecular Formula: Mn₂O₃
• Molecular Weight: 157.87
• CAS Registry Number: 1317-34-6
• EC Number: 215-264-4

Properties

• Density: 1.6 g/cm^3*

^* Cai, Yan; Wuji Cailiao Xuebao 2004, V19(5), P1058-1064.

Safety Data

• Hazard Symbols: Xi
• Risk Codes: R36/37/38
• Safety Description: S26;S36

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2	H319
Skin irritation	Skin Irrit.	2	H315
Specific target organ toxicity - single exposure	STOT SE	3	H335
Acute toxicity	Acute Tox.	4	H302
Acute toxicity	Acute Tox.	4	H332
Acute toxicity	Acute Tox.	4	H312
Chronic hazardous to the aquatic environment	Aquatic Chronic	4	H413
Reproductive toxicity	Repr.	1B	H360
Specific target organ toxicity - repeated exposure	STOT RE	2	H373
Specific target organ toxicity - single exposure	STOT SE	1	H370
Specific target organ toxicity - repeated exposure	STOT RE	1	H372