2-Methyl-3-buten-2-ol

Basic Information

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CAS Number

115-18-4

Molecular Formula

C5H10O

Molecular Weight

86.13 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Hydrocarbons

Basic Physical Properties

Melting Point

-43 ºC

Boiling Point

98-99 °C

Refractive Index

n20/D 1.416(lit.)

Vapor Pressure

51 mmHg ( 25 °C)

SMILES

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CC(C)(O)C=C

InChI

InChI=1S/C5H10O/c1-4-5(2,3)6/h4,6H,1H2,2-3H3

InChIKey

HNVRRHSXBLFLIG-UHFFFAOYSA-N

LogP

0.9433

Topological Polar Surface Area

20.23 Å²

Hydrogen Bond Donor/Acceptor

1 / 1

Complexity

Safety Information

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GHS Hazard Pictograms

H225

H302

H319

Hazard Statement

H225 Highly Flammable liquid and vapor
Flammable liquids

H302 Harmful if swallowed
Acute toxicity, oral

H319 Causes serious eye irritation
Serious eye damage/eye irritation

Hazard Class

Class 3 Class 3

Explosive Limit

1.5-9.4%(V)

Synonyms & References

English

2-Methyl-3-buten-2-ol
2-Hydroxy-2-methyl-3-butene
Dimethyl vinyl carbinol~3-Hydroxy-3-methyl-1-butene
METHYL-3-BUTEN-2-OL, 2-(AS)
1,1-DiMethylallyl alcohol
1,1-Dimethylallyl alcohol,3-Hydroxy-3-methyl-1-butene
2-methylbut-3-en-2-ol
3-Hydroxy-3-methyl-1-butene
3-Hydroxy-3-Methylbutene
1,1-Dimethyl-2-propen-1-ol
1,1-Dimethyl-2-propenyl alcohol
2-Methyl-2-hydroxy-3-butene
2-Methyl-3-buten-2-yl alcohol
3-Hydroxy-3-methylbutene
3-Methyl-1-buten-3-ol
3-Methyl-3-hydroxybutene
Dimethylvinylcarbinol
Dimethylvinylmethanol
3-Buten-2-ol, 2-methyl-
Vinyldimethylcarbinol
a,a-Dimethylallyl alcohol
2-methylbut-
Methylbutenol
Methyl-3-bute
2-methylbut-3-en
2-methyl-3-buten-2-o
3-methyl-1-buten-3-o
CH2=CHC(CH3)2OH
1,1-Dimethylallyl alcohol
2-Methylbut-3-en-2-ol

MDL Number

MFCD00004470

Customs Code

29052990

FAQ

What are the physical and chemical properties of 2-Methyl-3-buten-2-ol (CAS: 115-18-4)?

2-Methyl-3-buten-2-ol (CAS: 115-18-4) is a colorless liquid with a characteristic odor. It has a molecular weight of approximately 98.12 g/mol and a density of about 0.87 g/cm³. The compound is slightly soluble in water but readily soluble in organic solvents such as ethanol and acetone. It is highly reactive towards addition reactions and can undergo dehydration to form acrolein.

How is 2-Methyl-3-buten-2-ol (CAS: 115-18-4) typically synthesized?

2-Methyl-3-buten-2-ol is typically synthesized via catalytic hydrogenation of methyl vinyl ketone using a metal catalyst such as platinum or rhodium. The process is carried out in the presence of a solvent like methanol or ethanol, and the catalyst is often supported on alumina or silica. High selectivity towards the alcohol is achieved, leading to good yield.

What industries use 2-Methyl-3-buten-2-ol (CAS: 115-18-4)?

2-Methyl-3-buten-2-ol (CAS: 115-18-4) is used in the pharmaceutical industry as a precursor for the synthesis of various drugs. It is also utilized in the polymer industry for the production of certain types of plastics and elastomers. Additionally, it finds applications in the fragrance industry as a flavor and fragrance component, and in the semiconductor industry as a precursor for the production of silicon dioxide.

What precautions should be taken when handling 2-Methyl-3-buten-2-ol (CAS: 115-18-4)?

When handling 2-Methyl-3-buten-2-ol (CAS: 115-18-4), it is essential to wear appropriate personal protective equipment (PPE), including gloves, goggles, and a lab coat. Work should be conducted in a fume hood to minimize exposure. Spills should be immediately cleaned up using an absorbent material, and the area should be well-ventilated. In case of inhalation, seek medical attention and ensure the affected person breathes fresh air. Safety data sheets (SDS) should be readily available for reference.