Sodium selenite
[CAS# 10102-18-8]

Identification

• Classification: Inorganic chemical industry >> Inorganic salt >> Metal halides and halides >> Metal chlorides and salts
• Name: Sodium selenite
• Molecular Formula: Na₂SeO₃
• Molecular Weight: 172.94
• CAS Registry Number: 10102-18-8
• EC Number: 233-267-9

Properties

• Melting point: >350 °C
• Water solubility: 950 g/L (20 °C)

Safety Data

• Hazard Symbols: GHS06;GHS09 Danger
• Risk Statements: H300-H331-H317-H411
• Safety Statements: S28A;S36/37;S45;S61

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	2	H300
Skin sensitization	Skin Sens.	1	H317
Chronic hazardous to the aquatic environment	Aquatic Chronic	2	H411
Acute toxicity	Acute Tox.	3	H331
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Skin irritation	Skin Irrit.	2	H315
Eye irritation	Eye Irrit.	2	H319
Acute toxicity	Acute Tox.	2	H330
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Specific target organ toxicity - repeated exposure	STOT RE	2	H373
Acute toxicity	Acute Tox.	1	H300
Specific target organ toxicity - repeated exposure	STOT RE	1	H372
Germ cell mutagenicity	Muta.	2	H341
Reproductive toxicity	Repr.	2	H361
Specific target organ toxicity - single exposure	STOT SE	2	H371
Chronic hazardous to the aquatic environment	Aquatic Chronic	3	H412

• Transport Information: UN 2630