Merck
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533882

Sigma-Aldrich

4-Methyl-1-pentyne

98%

Synonym(s):
Isobutyl acetylene
Linear Formula:
CH≡CCH2CH(CH3)2
CAS Number:
Molecular Weight:
82.14
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

98%

refractive index

n20/D 1.393 (lit.)

bp

61-62 °C (lit.)

density

0.698 g/mL at 25 °C (lit.)

SMILES string

CC(C)CC#C

InChI

1S/C6H10/c1-4-5-6(2)3/h1,6H,5H2,2-3H3

InChI key

OXRWICUICBZVAE-UHFFFAOYSA-N

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1 of 4

This Item
109916649082M67303
4-Methyl-1-pentyne 98%

Sigma-Aldrich

533882

4-Methyl-1-pentyne

4-Methyl-2-pentanol 98%

Sigma-Aldrich

109916

4-Methyl-2-pentanol

4-Methyl-2-pentyne 96%

Sigma-Aldrich

649082

4-Methyl-2-pentyne

2-Methyl-2-pentene 98%

Sigma-Aldrich

M67303

2-Methyl-2-pentene

refractive index

n20/D 1.393 (lit.)

refractive index

n20/D 1.410 (lit.)

refractive index

n20/D 1.407 (lit.)

refractive index

n20/D 1.400 (lit.)

bp

61-62 °C (lit.)

bp

132 °C (lit.)

bp

71-73 °C (lit.)

bp

67 °C (lit.)

density

0.698 g/mL at 25 °C (lit.)

density

0.802 g/mL at 25 °C (lit.)

density

0.711 g/mL at 25 °C (lit.)

density

0.69 g/mL at 25 °C (lit.)

Quality Level

100

Quality Level

200

Quality Level

100

Quality Level

100

Pictograms

Flame

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

Flam. Liq. 2

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

24.0 °F - closed cup

Flash Point(C)

-4.44 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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25G
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