Selenourea
[CAS# 630-10-4]

Identification

• Classification: Chemical reagent >> Organic reagent >> Selenium compound
• Name: Selenourea
• Synonyms: 2-Selenourea; Carbamimidoselenoic acid; Isoselenourea; NSC 227840; Selenouronium
• Molecular Formula: CH₄N₂Se
• Molecular Weight: 123.02
• CAS Registry Number: 630-10-4
• EC Number: 211-129-9

Properties

• Melting point: 213 ºC (decomp) (water )^*
• Boiling point: 230.9±23.0 ºC (760 Torr), Calc.^**
• Flash point: 93.5±22.6 ºC, Calc.^**

^* Backer, H. J.; Recueil des Travaux Chimiques des Pays-Bas et de la Belgique 1943, V62, P580-4.

^** Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2017 ACD/Labs)

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Acute toxicity	Acute Tox.	3	H331
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Specific target organ toxicity - repeated exposure	STOT RE	2	H373
Acute toxicity	Acute Tox.	3	H301
Acute toxicity	Acute Tox.	2	H300
Acute toxicity	Acute Tox.	3	H311