Cyclopentene

Merck Ltd.

Revision date : 2025-11-03

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

General Information

Version

6.10

Revision date

2025-11-03

Product name

Cyclopentene

CAS No.

142-29-0

Emergency telephone

+81 (0)3 4520 9637

Icons in SDS

GHS02 GHS07 GHS08 M004 M010 M011 M017

Company Information

company name

Merck Ltd.

GHS Information

Signal word

Danger

Hazard Codes

Hazard statements (CLP)

H225, H302, H302+H312, H304, H312, H315

Hazard statements

Code

Statements

H225

Highly Flammable liquid and vapour

Section 2

SECTION 2: Hazards identification

2.1 Classification of the substance or mixture

Flammable liquids, (Category 2) H225: Highly flammable liquid and vapour. Acute toxicity, (Category 4) H302: Harmful if swallowed. Acute toxicity, (Category 4) H312: Harmful in contact with skin. Skin irritation, (Category 2) H315: Causes skin irritation. Aspiration hazard, (Category 1) H304: May be fatal if swallowed and enters airways.

Aspiration hazard

(Category 1) H304 May be fatal if swallowed and enters airways.

Signal word

Danger Danger

Hazard statements

H225 Highly flammable liquid and vapour. H302 + H312 Harmful if swallowed or in contact with skin. H304 May be fatal if swallowed and enters airways. H315 Causes skin irritation. H304 May be fatal if swallowed and enters airways.

Precautionary statements

P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P233 Keep container tightly closed. P280 Wear protective gloves/ protective clothing/ eye protection/ face protection. 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. P331 Do NOT induce vomiting. P301 + P310 IF SWALLOWED: Immediately call a POISON CENTER/ doctor. P331 Do NOT induce vomiting.

Supplemental label elements

none Reduced Labelling (<= 125 ml) none

Other hazards

This substance/mixture contains no components considered to be either persistent, bioaccumulative and toxic (PBT), or very persistent and very bioaccumulative (vPvB) at levels of 0.1% or higher

ECOLOGICAL INFORMATION

The substance/mixture does not contain components considered to have endocrine disrupting properties according to REACH Article 57(f) or Commission Delegated regulation (EU) 2017/2100 or Commission Regulation (EU) 2018/605 at levels of 0.1% or higher.

TOXICOLOGICAL INFORMATION

The substance/mixture does not contain components considered to have endocrine disrupting properties according to REACH Article 57(f) or Commission Delegated regulation (EU) 2017/2100 or Commission Regulation (EU) 2018/605 at levels of 0.1% or higher.

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