Tellurium dioxide
[CAS# 7446-07-3]

Identification

• Classification: Inorganic chemical industry >> Inorganic salt >> Oxides of rare earth metals, yttrium or scandium
• Name: Tellurium dioxide
• Molecular Formula: TeO₂
• Molecular Weight: 159.60
• CAS Registry Number: 7446-07-3 (11099-09-5)
• EC Number: 231-193-1

Properties

• Density: 5.67
• Melting point: 733 ºC
• Boiling point: 1245 ºC
• Water solubility: insoluble

Safety Data

• Hazard Symbols: GHS08 Danger
• Hazard Statements: H360Df-H362
• Safety Description: S24/25

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Chronic hazardous to the aquatic environment	Aquatic Chronic	2	H411
Reproductive toxicity	Lact.	-	H362
Skin sensitization	Skin Sens.	1B	H317
Reproductive toxicity	Repr.	1B	H360Df
Acute toxicity	Acute Tox.	4	H332
Acute toxicity	Acute Tox.	4	H302
Reproductive toxicity	Repr.	1A	H360
Carcinogenicity	Carc.	1A	H350
Specific target organ toxicity - repeated exposure	STOT RE	1	H372
Skin sensitization	Skin Sens.	1A	H317
Skin corrosion	Skin Corr.	1A	H314
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Serious eye damage	Eye Dam.	1	H318
Reproductive toxicity	Repr.	1B	H360
Eye irritation	Eye Irrit.	2	H319
Skin irritation	Skin Irrit.	2	H315
Specific target organ toxicity - repeated exposure	STOT RE	2	H373
Reproductive toxicity	Repr.	2	H361
Chronic hazardous to the aquatic environment	Aquatic Chronic	4	H413
Reproductive toxicity	Repr.	1B	H360Df

• Transport Information: UN 3284