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CAS No.: | 627-53-2 |
---|---|
Name: | DIETHYL SELENIDE |
Article Data: | 31 |
Molecular Structure: | |
Formula: | C4H10 Se |
Molecular Weight: | 137.083 |
Synonyms: | Ethylselenide (6CI,7CI,8CI); Diethyl selenide; Diethyl selenium; Diethylmonoselenide |
Density: | 1.232 g/mL at 25 °C(lit.) |
Melting Point: | 55°C |
Boiling Point: | 108 °C(lit.) |
Flash Point: | 72 °F |
Hazard Symbols: | T,N |
Risk Codes: | R10; R23/25; R33; R50/53 |
Safety: | Low toxicity by inhalation. When heated to decomposition it emits toxic vapors of Se. |
PSA: | 0.00000 |
LogP: | 1.56700 |
Conditions | Yield |
---|---|
With potassium hydroxide; selenium; hydrazine hydrate at 40 - 50℃; | 99% |
diethyl selenoxide
diethylselenium
Conditions | Yield |
---|---|
With hexamethyldisilathiane In dichloromethane at 40℃; for 2h; | 97% |
Conditions | Yield |
---|---|
With potassium hydroxide; selenium; hydrazine hydrate at 35 - 40℃; | 83% |
With piazselenole; magnesium 1.) diethyl ether, 2.) diethyl ether, reflux, 15 min; Yield given. Multistep reaction; |
ethyl bromide
A
diethylselenium
B
divinyl selenide
C
vinyl ethyl selenide
Conditions | Yield |
---|---|
With potassium hydroxide; red selenium; water; tin(ll) chloride; acetylene at 105 - 115℃; under 9120 Torr; for 5h; | A 4% B 21% C 44% |
ethyl bromide
acetylene
A
diethylselenium
B
divinyl selenide
C
vinyl ethyl selenide
Conditions | Yield |
---|---|
With potassium hydroxide; red selenium; water; tin(ll) chloride at 105 - 115℃; under 9120 Torr; for 5h; | A 4% B 21% C 44% |
Conditions | Yield |
---|---|
With potassium hydroxide; red selenium; water; ethidium Bromide; tin(ll) chloride at 105 - 115℃; under 9120 Torr; for 5h; | A 4% B 21% C 44% |
Conditions | Yield |
---|---|
With molybdenum (IV) sulfide; selen(o) hydrogen at 220℃; |
ethaneselenol
sodium ethanolate
A
diethylselenium
B
triselenoorthoformic acid triethyl ester
Conditions | Yield |
---|---|
folgendes Behandeln mit CCl4; |
Conditions | Yield |
---|---|
With selenium(IV) oxide at 50℃; |
Conditions | Yield |
---|---|
With selenium(IV) oxide |
Empirical Formula: C4H10Se
Molecular Weight: 137.0822 g/mol
Flash Point: 19.1 °C
Enthalpy of Vaporization: 33.25 kJ/mol
Boiling Point: 108 °C at 760 mmHg
Vapour Pressure: 30.9 mmHg at 25 °C
Structure of Diethyl selenide (CAS NO.627-53-2):
IUPAC Name of Diethyl selenide (CAS NO.627-53-2): Ethylselanylethane
Product Categories of Diethyl selenide (CAS NO.627-53-2): Precursors by Metal;Vapor Deposition Precursors
1. | ihl-mus LCLo:3 g/m3/10M | NDRC** National Defense Research Committee, Office of Scientific Research and Development, Progress Report NDCrc-132,JUL42 . |
Low toxicity by inhalation. When heated to decomposition it emits toxic vapors of Se.
Hazard Codes: T,N
Risk Statements: 10-23/25-33-50/53
R10:Flammable.
R23/25:Toxic by inhalation and if swallowed.
R33:Danger of cumulative effects.
R50/53:Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Statements: 16-20/21-23-28-45-60-61
S16:Keep away from sources of ignition.
S20:When using, do not eat or drink.
S21:When using do not smoke.
S23:Do not breathe vapour.
S28:After contact with skin, wash immediately with plenty of soap-suds.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S60:This material and its container must be disposed of as hazardous waste.
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.
ACGIH TLV: TWA 0.2 mg(Se)/m3
Diethyl selenide ,its cas register number is 627-53-2. It also can be called Ethyl selenide ; Methylene diisocyanate ; Ethane, 1,1'-selenobis- ;and (Ethylselanyl)ethane .