3-Methylstyrene

Merck Life Science Pty Ltd

Revision date : 2025-10-13

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GHS02 GHS08 GHS07
Health risk rating 3
Safety risk rating 2
Environmental risk rating 1

General Information

Version

6.3

Revision date

2025-10-13

Product name

3-Methylstyrene

CAS No.

100-80-1

1.2.1 Relevant identified uses

For R&D use only. Not for pharmaceutical, household or other uses

Emergency telephone

+61 2 9037 2994

Icons in SDS

GHS02 GHS07 GHS08 M004 M009 M010 M011 M017

Company Information

company name

Merck Life Science Pty Ltd

e-mail address of the competent person responsible for the Safety Data Sheet

customersupport.anz@merckgroup.com

GHS Information

Signal word

Danger

Hazard Codes

Hazard statements (CLP)

H226, H304, H315, H319, H332, H335

Hazard statements

Code

Statements

H226

Flammable liquid and vapour

Section 2

SECTION 2: Hazards identification

GHS Classification Flammable liquids Category 3 Acute toxicity (Inhalation) Category 4 Skin corrosion/irritation Category 2 Serious eye damage/eye irritation Category 2A Specific target organ tox- icity - single exposure Category 3 (Respiratory system)

Aspiration hazard

Category 1

Signal word

Danger

Hazard statements

H226 Flammable liquid and vapour. H304 May be fatal if swallowed and enters airways. H315 Causes skin irritation. H319 Causes serious eye irritation. H332 Harmful if inhaled. H335 May cause respiratory irritation.

Prevention

P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P233 Keep container tightly closed. P240 Ground and bond container and receiving equip- ment. P241 Use explosion-proof electrical/ ventilating/ light- ing equipment. P242 Use non-sparking tools. P243 Take action to prevent static discharges. P261 Avoid breathing mist or vapours. P264 Wash skin thoroughly after handling. P271 Use only outdoors or in a well-ventilated area. P280 Wear protective gloves/ protective clothing/ eye protection/ face protection.

Response

P301 + P310 IF SWALLOWED: Immediately call a POISON CENTER/ doctor. P303 + P361 + P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water. P304 + P340 + P312 IF INHALED: Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER/ doctor if you feel unwell. P305 + P351 + P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P331 Do NOT induce vomiting. P332 + P313 If skin irritation occurs: Get medical ad- vice/ attention. P337 + P313 If eye irritation persists: Get medical ad- P362 + P364 Take off contaminated clothing and wash it before reuse. P370 + P378 In case of fire: Use dry sand, dry chemi- cal or alcohol-resistant foam to extinguish.

Storage

P403 + P233 Store in a well-ventilated place. Keep container tightly closed. P403 + P235 Store in a well-ventilated place. Keep cool. P405 Store locked up.

Disposal

P501 Dispose of contents/ container to an approved waste disposal plant.

Other hazards which do not result in classification

None known.

2.1 Classification of the substance or mixture

Flammable liquids : Category 3 Acute toxicity (Inhalation) : Category 4 Skin corrosion/irritation : Category 2 Serious eye damage/eye : Category 2A irritation Specific target organ tox- : Category 3 (Respiratory system) icity - single exposure Aspiration hazard

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