CAS 100-80-1 SDS Request & Safety Reference

Preliminary reference disclaimer

This preliminary safety reference is generated from structured MolGraph catalog fields and public reference-style data. It is not a supplier-issued Safety Data Sheet and should not be used as a substitute for supplier-issued documentation, workplace safety review, transport classification, or regulatory compliance decisions. For supplier SDS or COA, submit a documentation request through MolGraph.

Documentation status

Preliminary safety reference

Available

Supplier-issued SDS

Available by request

COA

Available by RFQ / lot confirmation

Transport classification

Requires shipment review

Identity

CAS Number

100-80-1

Chemical name

1-Ethenyl-3-methylbenzene

Molecular formula

C9H10

Molecular weight

118.18 g/mol

Synonyms

3-Ethenylmethylbenzene; 3-Methylstyrene; 1-Methyl-3-vinylbenzene; 3-Vinyltoluene; m-Vinyltoluene; Benzene, 1-ethenyl-3-methyl-; M-METHYLSTYRENE; Styrene, m-methyl-; 3-Methylstyrene (stabilized with TBC); m-Methyl styrene; Vinyl toluene (65-71% m- and 32-35% p-); meta-Methylstyrene

InChIKey

JZHGRUMIRATHIU-UHFFFAOYSA-N

PubChem CID

7529

Hazard / GHS Reference

Signal word

Danger

Catalog reference cue; confirm supplier documentation before use.

Hazard statements

H226, H304, H315, H319, H332, H335

Catalog reference cue; confirm supplier documentation before use.

Handling & PPE

Keep container tightly closed and dry. Store in a well-ventilated place. Recommended storage conditions: sealed and dry, 2-8°C
If exposed to a harmful environment, use a P95 (US) or P1 (EU, UK 143) particulate respirator. For higher level of protection, use an OV/AG/P99 (US) or ABEK-P2 (EU, UK 143) gas filter. Respirators must be tested and approved by government standards such as NIOSH (US) or CEN (EU).
Waste product. Contact a licensed company for disposal of remaining and non-recyclable solutions. Contact a professional organization with a waste disposal license to handle this substance. Burn in a chemical incinerator with post-combustion and washing capabilities if soluble or mixed with flammable solvents. Burn contaminated packaging. Contaminated packaging is to be disposed of as unused product.

First Aid / Accidental Release

Do not give anything to an unconscious person. Rinse mouth with water. Consult a physician.
If inhaled, move the patient to fresh air. If breathing stops, perform artificial respiration. Consult a physician.
Rinse with plenty of water for at least 15 minutes and consult a physician.
Wash with soap and plenty of water. Consult a physician.
Do not generate dust when collecting and disposing. Sweep and shovel up. Place in a suitable closed container for disposal.
Use personal protective equipment and emergency procedures. Avoid dust generation. Avoid inhaling vapors, mists or gases. Ensure adequate ventilation. Evacuate personnel to a safe area. Avoid inhaling dust. For personal protection, see
Do not allow the product to enter drains.
Waste product. Contact a licensed company for disposal of remaining and non-recyclable solutions. Contact a professional organization with a waste disposal license to handle this substance. Burn in a chemical incinerator with post-combustion and washing capabilities if soluble or mixed with flammable solvents. Burn contaminated packaging. Contaminated packaging is to be disposed of as unused product.

Firefighting / Stability

If necessary, wear a self-contained breathing apparatus during firefighting.
Reactivity
Carbon monoxide, carbon dioxide