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427519

Sigma-Aldrich

2-Methylglutaronitrile

99%

Synonym(s):

α-Methylglutarodinitrile, α-Methylglutaronitrile, 1,3-Dicyanobutane, 2,4-Dicyanobutane, 2-Methylpentanedinitrile, Diacrylonitrile

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250 G
₹3,212.00
1 KG
₹7,930.00

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250 G
₹3,212.00
1 KG
₹7,930.00

About This Item

Linear Formula:
NCCH(CH3)CH2CH2CN
CAS Number:
Molecular Weight:
108.14
Beilstein:
1741955
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

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Quality Level

Assay

99%

form

liquid

impurities

<0.1% benzene

refractive index

n20/D 1.434 (lit.)

bp

269-271 °C (lit.)

mp

−45 °C (lit.)

solubility

water: soluble

density

0.95 g/mL at 25 °C (lit.)

functional group

nitrile

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This Item
117731084981365
form

crystals

form

solid

form

-

form

crystals

viscosity

4-5 mPa.s, 4 % in H2O(20 °C)

viscosity

18.5-21.5 mPa.s, 4 % in H2O(20)

viscosity

26-30 mPa.s, 4 % in H2O(20 °C)

viscosity

16-20 mPa.s, 4 % in H2O(20 °C)

Quality Level

100

Quality Level

100

Quality Level

100

Quality Level

200

mol wt

Mw ~27,000

mol wt

Mw ~125,000

mol wt

Mw ~145,000

mol wt

Mw ~130,000

extent of labeling

98.0-98.8 mol% hydrolysis

extent of labeling

98.0-98.8 mol% hydrolysis, ~2800 polymerization

extent of labeling

99.0-99.8 mol% hydrolysis, ~3,300 polymerization

extent of labeling

86.7-88.7 mol% hydrolysis, ~2,700 polymerization

ign. residue

≤0.5%

ign. residue

≤0.5%

ign. residue

≤0.5%

ign. residue

≤0.5%

General description

2-Methylglutaronitrile (MGN) is an aliphatic dinitrile. It is a high boiling solvent mainly used in the fiber industry.[1] It is formed as a byproduct during the synthesis of adiponitrile.[2] Synthesis of β-picoline using a mixture of 2-methylglutaronitrile and 2-ethylsuccinonitrile in the presence of silica-supported palladium, rhodium and platinum catalysts by vapour phase hydrogenation has been studied.[3] Its core electron binding energy (CEBE) has been calculated via density functional theory (DFT).[4] It has been reported to undergo hydrolysis catalyzed by nitrilase to form 4-cyanopentanoic acid.[5][6]

Application

2-Methylglutaronitrile (MGN) may be used in the synthesis of 1,5-dimethyl-2-piperidone (1,5-DMPD) by chemoenzymatic process.[7]

Pictograms

Skull and crossbones

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 2 Inhalation - Acute Tox. 3 Dermal - Acute Tox. 3 Oral

Storage Class Code

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 3

Flash Point(F)

239.0 °F - closed cup

Flash Point(C)

115 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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