Welcome to LookChem.com Sign In|Join Free
  • or
Home > Products >  > 

Dimethyldiselenide

Related Products

Hot Products

Name

Dimethyldiselenide

EINECS 230-410-7
CAS No. 7101-31-7 Density 1.987 g/cm3
PSA 0.00000 LogP 0.40600
Solubility Reacts with water. Melting Point -82.2 °C
Formula C2H6Se2 Boiling Point 158.9 °C at 760 mmHg
Molecular Weight 187.99 Flash Point 60 °C
Transport Information UN 2929 6.1/PG 2 Appearance orange liquid with a very unpleasant smell
Safety 23-36/37/39-45-61-60-28A-20/21-28 Risk Codes 23/24/25-50/53-33
Molecular Structure Molecular Structure of 7101-31-7 (Dimethyldiselenide) Hazard Symbols ToxicT,DangerousN
Synonyms

Methyldiselenide (6CI,7CI,8CI);Dimethyl diselenide;

Article Data 55

Dimethyldiselenide Synthetic route

136970-32-6

selenothiobenzoic acid Se-methyl ester

124-40-3

dimethyl amine

A

7101-31-7

dimethyl diselenide

B

15482-60-7

N,N-dimethylthiobenzamide

Conditions
ConditionsYield
In dichloromethaneA n/a
B 100%
136970-31-5

1-Methylselanyl-2-phenyl-ethanethione

124-40-3

dimethyl amine

A

7101-31-7

dimethyl diselenide

B

17709-95-4

N,N-dimethyl-2-phenylethanethioamide

Conditions
ConditionsYield
In dichloromethaneA n/a
B 100%
136992-18-2

(4-Methoxy-phenyl)-methylselanyl-methanethione

124-40-3

dimethyl amine

A

7101-31-7

dimethyl diselenide

B

15482-63-0

4-methoxy-N,N-dimethylbenzenecarbothioamide

Conditions
ConditionsYield
In dichloromethaneA n/a
B 100%
28274-57-9

methaneseleninic acid

126-81-8

dimedone

7101-31-7

dimethyl diselenide

Conditions
ConditionsYield
In d(4)-methanol for 0.5h;100%
74-88-4

methyl iodide

7101-31-7

dimethyl diselenide

Conditions
ConditionsYield
With potassium hydroxide; selenium; hydrazine hydrate In water at 30 - 32℃;98%
With potassium hydroxide; selenium(IV) oxide; hydrazine hydrate In water at 30 - 32℃;95%
With selenium; sodium tetrahydroborate In ethanol; N,N-dimethyl-formamide for 1h;82%
103971-57-9

1-(4-methylphenyl)-1,1-bis(methylseleno)ethane

A

7101-31-7

dimethyl diselenide

B

75155-29-2

1-Methyl-4-(1-methylselanyl-ethyl)-benzene

Conditions
ConditionsYield
With methyl selenide; zinc(II) chloride In dichloromethane for 15h; Ambient temperature;A n/a
B 95%
77-78-1

dimethyl sulfate

7101-31-7

dimethyl diselenide

Conditions
ConditionsYield
With sodium hydroxide; selenium; tetrabutylammomium bromide; hydrazine hydrate In water at 15 - 20℃;90%
With potassium hydroxide; selenium; sodium hydrogensulfite In water Heating;73%
With sodium hydroxide; selenium; hydrazine hydrate In water 1.) room temp., 7 h, 2) 15 --> 20 deg C;69%
With sodium hydroxide; selenium; rongalite In water
74-83-9

methyl bromide

7101-31-7

dimethyl diselenide

Conditions
ConditionsYield
With sodium hydroxide; selenium; hydrazine hydrate In N,N-dimethyl-formamide 1.) room temp., 6 h;88%
With disodium diselenide
6486-05-1

methyl selenide

7101-31-7

dimethyl diselenide

Conditions
ConditionsYield
With sodium perborate In ethanol at 20℃; for 5h;86%
With potassium hydroxide; dihydrogen peroxide 2.) ether, 0 deg C, 4 h; Yield given. Multistep reaction;
77-78-1

dimethyl sulfate

A

7101-31-7

dimethyl diselenide

B

22009-80-9

dimethyl triselenide

Conditions
ConditionsYield
With selenium; sodium hydride In N,N-dimethyl-formamide at 20℃; for 1h;A 72%
B n/a

Dimethyldiselenide Specification

The Diselenide, dimethyl(9CI), with CAS registry number 7101-31-7, belongs to the following product categories: (1)Pharmaceutical Intermediates; (2)Classes of Metal Compounds; (3)Se (Selenium) Compounds; (4)Semimetal Compounds. It has the systematic name of dimethyldiselane. This chemical should be stored at the temperature of 0-6°C.

Physical properties of Diselenide, dimethyl(9CI): (1)ACD/LogP: 2.40; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 2.4; (4)ACD/LogD (pH 7.4): 2.4; (5)ACD/BCF (pH 5.5): 39.39; (6)ACD/BCF (pH 7.4): 39.39; (7)ACD/KOC (pH 5.5): 482.64; (8)ACD/KOC (pH 7.4): 482.64; (9)#H bond acceptors: 0; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 1; (12)Polar Surface Area: 0 Å2; (13)Enthalpy of Vaporization: 37.92 kJ/mol; (14)Vapour Pressure: 3.34 mmHg at 25°C.

Preparation: this chemical can be prepared by bromomethane. This reaction will need reagents NaOH, Se, N2H4.H2O and solvent dimethylformamide. The yield is about 88%.

Uses of Diselenide, dimethyl(9CI): it can be used to produce methaneselenol. This reaction will need reagent mercury
water.

R23/24/25:Toxic by inhalation, in contact with skin 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.

When you are using this chemical, please be cautious about it as the following:
The Diselenide, dimethyl(9CI) is toxic by inhalation, in contact with skin and if swallowed. And it has danger of cumulative effects. This chemical is very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment, so avoid release to the environment. Refer to special instructions / safety data sheets. When using, do not eat or drink and smoke.  When use it, wear suitable protective clothing, gloves and eye/face protection. If contact with eyes, rinse immediately with plenty of water and seek medical advice. In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) After contact with skin, wash immediately with plenty of soap-suds. After using it, this material and its container must be disposed of as hazardous waste.

You can still convert the following datas into molecular structure:
(1)SMILES: [Se]([Se]C)C
(2)InChI: InChI=1/C2H6Se2/c1-3-4-2/h1-2H3
(3)InChIKey: VLXBWPOEOIIREY-UHFFFAOYAB
(4)Std. InChI: InChI=1S/C2H6Se2/c1-3-4-2/h1-2H3
(5)Std. InChIKey: VLXBWPOEOIIREY-UHFFFAOYSA-N

Post a RFQ

Enter 15 to 2000 letters.Word count: 0 letters

Attach files(File Format: Jpeg, Jpg, Gif, Png, PDF, PPT, Zip, Rar,Word or Excel Maximum File Size: 3MB)

1

What can I do for you?
Get Best Price

Get Best Price for 7101-31-7