3-Methylstyrene
[CAS# 100-80-1]

Identification

• Classification: Chemical reagent >> Organic reagent >> Olefins (cyclic and non-cyclic)
• Name: 3-Methylstyrene
• Synonyms: 1-ethenyl-3-methylbenzene
• Molecular Formula: CH₃C₆H₄CHCH₂
• Molecular Weight: 118.18
• CAS Registry Number: 100-80-1
• EC Number: 202-889-2
• SMILES: CC1=CC(=CC=C1)C=C

Properties

• Solubility: 117.1 mg/L (25 °C water)
• Density: 0.9±0.1 g/cm³, Calc.^*, 0.901 g/mL
• Index of Refraction: 1.551, Calc.^*, 1.541
• Melting point: -86.3 °C
• Boiling Point: 170.0±10.0 °C (760 mmHg), Calc.^*, 170-171 °C
• Flash Point: 51.1±0.0 °C, Calc.^*, 51 °C

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software.

Safety Data

• Hazard Symbols: GHS02;GHS07;GHS08 Danger
• Risk Statements: H226-H304-H315-H319-H332-H335
• Safety Statements: P210-P233-P240-P241-P242-P243-P261-P264-P264+P265-P271-P280-P301+P316-P302+P352-P303+P361+P353-P304+P340-P305+P351+P338-P317-P319-P321-P331-P332+P317-P337+P317-P362+P364-P370+P378-P403+P233-P403+P235-P405-P501

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2	H319
Flammable liquids	Flam. Liq.	3	H226
Acute toxicity	Acute Tox.	4	H332
Skin irritation	Skin Irrit.	2	H315
Aspiration hazard	Asp. Tox.	1	H304
Specific target organ toxicity - single exposure	STOT SE	3	H335
Chronic hazardous to the aquatic environment	Aquatic Chronic	2	H411