Chromium trioxide
[CAS# 1333-82-0]

Identification

• Classification: API >> Synthetic anti-infective drugs >> Disinfectant antiseptic
• Name: Chromium trioxide
• Synonyms: Chromium (VI) oxide
• Molecular Formula: CrO₃
• Molecular Weight: 99.99
• CAS Registry Number: 1333-82-0
• EC Number: 215-607-8

Properties

• Density: 2.7
• Melting point: 196 °C
• Water solubility: 1660 g/L (20 °C)

Safety Data

• Hazard Symbols: GHS03;GHS06;GHS08;GHS05;GHS09 Danger
• Risk Statements: H271-H350-H340-H361f-H330-H311-H301-H372-H314-H334-H317-H400-H410
• Safety Statements: S45;S53;S60;S61

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Germ cell mutagenicity	Muta.	1B	H340
Skin sensitization	Skin Sens.	1	H317
Skin corrosion	Skin Corr.	1A	H314
Carcinogenicity	Carc.	1A	H350
Oxidising solids	Ox. Sol.	1	H271
Specific target organ toxicity - repeated exposure	STOT RE	1	H372
Respiratory sensitization	Resp. Sens.	1	H334
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Acute toxicity	Acute Tox.	3	H301
Acute toxicity	Acute Tox.	2	H330
Reproductive toxicity	Repr.	2	H361
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Acute toxicity	Acute Tox.	3	H311
Acute toxicity	Acute Tox.	2	H310
Serious eye damage	Eye Dam.	1	H318
Reproductive toxicity	Repr.	2	H361f
Acute toxicity	Acute Tox.	2	H300
Acute toxicity	Acute Tox.	3	H331
Specific target organ toxicity - single exposure	STOT SE	3	H335
Acute toxicity	Acute Tox.	4	H302
Chronic hazardous to the aquatic environment	Aquatic Chronic	2	H411
Specific target organ toxicity - repeated exposure	STOT RE	2	H373
Oxidising liquids	Ox. Liq.	1	H271
Reproductive toxicity	Repr.	2	H361f

• Transport Information: UN 1463