L-(+)-Selenomethionine
[CAS# 3211-76-5]

Identification

• Classification: Biochemical >> Amino acids and their derivatives >> Other amino acid derivatives
• Name: L-(+)-Selenomethionine
• Synonyms: (S)-(+)-2-Amino-4-(methylseleno)butanoic acid
• Molecular Formula: C₅H₁₁NO₂Se
• Molecular Weight: 196.11
• CAS Registry Number: 3211-76-5
• EC Number: 608-705-0

Properties

• Melting point: 265 °C
• alpha: 18 ° (c=1, 1N HCl)
• Water solubility: soluble

Safety Data

• Hazard Symbols: T;N
• Risk Statements: R23/25;R33;R50/53
• Safety Statements: S20/21;S28A;S45;S60;S61

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Acute toxicity	Acute Tox.	3	H301
Acute toxicity	Acute Tox.	3	H331
Specific target organ toxicity - repeated exposure	STOT RE	2	H373
Skin irritation	Skin Irrit.	2	H315
Eye irritation	Eye Irrit.	2	H319

• Transport Information: UN 3283