DIMETHYLSELENIDE

Synonym(s):Methyl selenide

colourless liquid with an unpleasant odour.

Used as primary and secondary intermediate and also used in chemical research.

ChEBI: An organoselenium compound of two methyl groups covalently bound to a selenium.

Atomic number of base material: 34 Selenium

Melting point:	-88.01°C
Boiling point:	57-58°C
Density	1.408 g/mL at 20 °C (lit.)
refractive index	1.4860-1.4890
Flash point:	56-58°C
storage temp.	2-8°C
solubility	Very soluble in ethyl ether and ethyl alcohol.
form	liquid
color	colorless to yellow
Specific Gravity	1.41
Sensitive	Air & Light Sensitive
BRN	1696848
Exposure limits	ACGIH: TWA 0.2 mg/m3 NIOSH: IDLH 1 mg/m3; TWA 0.2 mg/m3
Stability:	Stable. Hydrolyzes in water. Reactions with acid or strong oxidizing agents are dangerous.
CAS DataBase Reference	593-79-3(CAS DataBase Reference)
EPA Substance Registry System	Methane, selenobis- (593-79-3)

Signal word	Danger
Pictogram(s)	Skull and Crossbones Acute Toxicity GHS06 Health Hazard GHS08 Environment GHS09
GHS Hazard Statements	H373:Specific target organ toxicity, repeated exposure H410:Hazardous to the aquatic environment, long-term hazard
Precautionary Statement Codes	P260:Do not breathe dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P273:Avoid release to the environment. P314:Get medical advice/attention if you feel unwell. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.