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162353

Sigma-Aldrich

3-Methyl-2-buten-1-ol

99%

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Synonym(s):
3,3-Dimethylallyl alcohol, Prenol
Linear Formula:
(CH3)2C=CHCH2OH
CAS Number:
Molecular Weight:
86.13
Beilstein/REAXYS Number:
1633479
EC Number:
MDL number:
eCl@ss:
39020334
PubChem Substance ID:
NACRES:
NA.22

vapor pressure

1.4 mmHg ( 20 °C)

Quality Level

assay

99%

form

liquid

expl. lim.

16.3 %

refractive index

n20/D 1.443 (lit.)

bp

140 °C (lit.)

density

0.848 g/mL at 25 °C (lit.)

SMILES string

C\C(C)=C\CO

InChI

1S/C5H10O/c1-5(2)3-4-6/h3,6H,4H2,1-2H3

InChI key

ASUAYTHWZCLXAN-UHFFFAOYSA-N

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1 of 4

This Item
129402W364703136816
3-Methyl-2-buten-1-ol 99%

162353

3-Methyl-2-buten-1-ol

3-Methyl-3-buten-1-ol 97%

129402

3-Methyl-3-buten-1-ol

3-Methyl-2-buten-1-ol ≥98%, FG

W364703

3-Methyl-2-buten-1-ol

2-Methyl-3-buten-2-ol 98%

136816

2-Methyl-3-buten-2-ol

Quality Level

100

Quality Level

200

Quality Level

400

Quality Level

200

bp

140 °C (lit.)

bp

130-132 °C (lit.)

bp

140 °C (lit.)

bp

98-99 °C (lit.)

refractive index

n20/D 1.443 (lit.)

refractive index

n20/D 1.433 (lit.)

refractive index

n20/D 1.443 (lit.)

refractive index

n20/D 1.416 (lit.)

form

liquid

form

liquid

form

-

form

liquid

density

0.848 g/mL at 25 °C (lit.)

density

0.853 g/mL at 25 °C (lit.)

density

0.848 g/mL at 25 °C (lit.)

density

0.824 g/mL at 25 °C (lit.)

General description

3-Methyl-2-buten-1-ol reacts with nitrosocarbonyl benzene to yield 5-hydroxy-isoxazolidines. It is commonly used as fragrance ingredient.

Application

3-Methyl-2-buten-1-ol was used as starting reagent during asymmetric total syntheses of (R)-(+)- and (S)-(-)-umbelactone via Sharpless asymmetric epoxidation reaction.

signalword

Danger

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B - STOT SE 3

target_organs

Respiratory system

Storage Class

3 - Flammable liquids

wgk_germany

WGK 1

flash_point_f

124.7 °F - closed cup

flash_point_c

51.5 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter


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