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162353

3-Methyl-2-buten-1-ol

99%

Synonym(s):

3,3-Dimethylallyl alcohol, Prenol

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About This Item

Linear Formula:
(CH3)2C=CHCH2OH
CAS Number:
556-82-1
Molecular Weight:
86.13
NACRES:
NA.22
PubChem Substance ID:
24849980
eCl@ss:
39020334
UNSPSC Code:
12352100
EC Number:
209-141-4
MDL number:
MFCD00002916
Beilstein/REAXYS Number:
1633479
Assay:
99%
Form:
liquid
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vapor pressure

1.4 mmHg ( 20 °C)

Quality Segment

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.)

functional group

hydroxyl

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

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.

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Signal Word

Danger

Target Organs

Respiratory system

Storage Class

3 - Flammable liquids

Flash Point (°F)

124.7 °F - closed cup

Flash Point (°C)

51.5 °C - closed cup

PPE (personal protective equipment)

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

Hazard Classifications

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

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