L-Selenocystine
[CAS# 29621-88-3]

Identification

• Classification: Chemical reagent >> Organic reagent >> Selenium compound
• Name: L-Selenocystine
• Synonyms: 3,3'-Diselenobis-L-alanine
• Molecular Formula: C₆H₁₂N₂O₄Se₂
• Molecular Weight: 334.09
• CAS Registry Number: 29621-88-3
• EC Number: 608-382-6

Properties

• Solubility: Very slightly soluble (0.33 g/L) (25 ºC), Calc.^*
• Melting point: 222 ºC (decomp)^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2015 ACD/Labs)

^** Painter, Edgar Page; Journal of the American Chemical Society 1947, V69, P229-32.

Safety Data

Hazard Classification

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