1-Ethynyl-3-methylbenzene

Basic Information

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CAS Number

766-82-5

Molecular Formula

C9H8

Molecular Weight

116.16 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Nitriles

Basic Physical Properties

Boiling Point

60°C/14mmHg

Density

0.900 g/mL at 25 °C

Refractive Index

n20/D 1.5440(lit.)

SMILES

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CC1=CC(=CC=C1)C#C

InChI

InChI=1S/C9H8/c1-3-9-6-4-5-8(2)7-9/h1,4-7H,2H3

InChIKey

RENYIDZOAFFNHC-UHFFFAOYSA-N

LogP

1.97630

Complexity

126

Safety Information

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GHS Hazard Pictograms

H226

H304

H315

H319

H335

Hazard Statement

H226 Flammable liquid and vapor
Flammable liquids

H304 May be fatal if swallowed and enters airways
Aspiration hazard

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Hazard Class

Class 3 Class 3

Synonyms & References

English

PS-4892
A9719
MFCD01318174
RENYIDZOAFFNHC-UHFFFAOYSA-
DTXSID00227412
3-Methylphenylacetylene
3-Ethynyltoluene, 97%
766-82-5
m-Tolylacetylene
2-(2-METHOXY-PHENYL)-QUINOLINE-4-CARBOXYLICACID
EN300-103708
Benzene,1-ethynyl-3-methyl-
1-ethynyl-3-methylbenzene
3-tolylacetylene
ethynyl-3-methylbenzene
E0665
1-ethynyl-3-methyl-benzene
AKOS009157302
3'-METHYLPHENYL ACETYLENE
FT-0629022
InChI=1/C9H8/c1-3-9-6-4-5-8(2)7-9/h1,4-7H,2H3
Q-102462
3-Ethynyltoluene
3'-Methylphenylacetylene
1-ethynyl-3-methylbenzene;3-Ethynyltoluene
1-Ethynyl-3-methyl-benzene
3-Ethynyltoluene~3-Methylphenylacetylene
1-Ethynyl-3-methylbenzene
3'-Methylphenyl acetylene
Benzene, 1-ethynyl-3-methyl-
RENYIDZOAFFNHC-UHFFFAOYSA-N

MDL Number

MFCD01318174

Customs Code

2902909090

FAQ

What is 1-Ethynyl-3-methylbenzene (CAS: 766-82-5)?

1-Ethynyl-3-methylbenzene, also known as cumene, is a colorless, flammable liquid with a distinctive odor. Its chemical formula is C9H10. This compound is commonly used in the production of styrene and phenol, which are important in the manufacturing of plastics and resins.

What are the main uses of 1-Ethynyl-3-methylbenzene (CAS: 766-82-5)?

1-Ethynyl-3-methylbenzene is primarily used in the petrochemical industry as a precursor for the production of styrene and phenol. These chemicals are widely used in the manufacture of polystyrene, synthetic rubber, adhesives, and epoxy resins. It is also used in the synthesis of various pharmaceuticals and as a solvent in chemical reactions.

Is 1-Ethynyl-3-methylbenzene (CAS: 766-82-5) safe?

1-Ethynyl-3-methylbenzene can be hazardous if proper safety measures are not followed. It is flammable and may cause irritation if inhaled, ingested, or contacted with the skin. It is important to use appropriate personal protective equipment, such as gloves and goggles, and to work in a well-ventilated area to minimize exposure.

How should 1-Ethynyl-3-methylbenzene (CAS: 766-82-5) be stored?

1-Ethynyl-3-methylbenzene should be stored in a cool, dry place away from direct sunlight and heat sources. It should be kept in a tightly sealed container and stored in a well-ventilated area. Avoid contact with oxidizing agents and incompatible materials. The storage area should be equipped with appropriate fire-fighting equipment and emergency spill kits.