DL-Ethionine
[CAS 67-21-0]

Identification

• Classification: Biochemical >> Amino acids and their derivatives >> Other amino acid derivatives
• Name: DL-Ethionine
• Synonyms: CN 8676; DL-2-Amino-4-(ethylthio)butyric acid; NSC-751; S-Ethyl-DL-homocysteine
• Molecular Formula: C₆H₁₃NO₂S
• Molecular Weight: 163.24
• CAS Registry Number: 67-21-0
• EC Number: 200-647-0

Properties

• Density: 1.164
• Boiling point: 310 °C
• Flash point: 142 °C

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Specific target organ toxicity - single exposure	STOT SE	3	H335
Skin irritation	Skin Irrit.	2	H315
Eye irritation	Eye Irrit.	2	H319
Carcinogenicity	Carc.	2	H351
Germ cell mutagenicity	Muta.	2	H341
Reproductive toxicity	Repr.	2	H361