Ethylene oxide solution

Merck Life Science UK Limited

Revision date : 2026-07-17

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GHS07 GHS02 GHS08
Health risk rating 5
Safety risk rating 5
Environmental risk rating 1

Note: Ingredients listed on restricted chemical lists

EC/CAS

203-726-8/109-99-9

Name of the chemical

Tetrahydrofuran (618/2012)

Concentration

>=70-<90

EC/CAS

200-849-9/75-21-8

Name of the chemical

Ethylene oxide

Concentration

>=10-<20 603-023-

General Information

Version

7.11

Revision date

2026-07-17

Product name

Ethylene oxide solution

Emergency telephone

+44 (0)870 8200418

Icons in SDS

GHS02 GHS07 GHS08 M004 M009 M010 M011 M017

Company Information

company name

Merck Life Science UK Limited

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

TechnicalService@merckgroup.com

GHS Information

Signal word

Danger

Hazard Codes

Hazard statements (CLP)

H225, H302, H302+H332, H314, H318, H332, H335, H336, H340, H350, H360Fd, H372

Hazard statements

Code

Statements

H225

Highly Flammable liquid and vapour

Section 2

SECTION 2: Hazards identification

Labelling according Regulation (EC) No 1272/2008 as amended by GB-CLP Classification of the substance or mixture

Signal word

Danger Danger

Hazard statements

H225 Highly flammable liquid and vapour. H302 + H332 Harmful if swallowed or if inhaled. H314 Causes severe skin burns and eye damage. H335 May cause respiratory irritation. H336 May cause drowsiness or dizziness. H340 May cause genetic defects. H350 May cause cancer. H360Fd May damage fertility. Suspected of damaging the unborn child. H372 Causes damage to organs (Nervous system) through prolonged or repeated exposure. H340 May cause genetic defects. H350 May cause cancer. H372 Causes damage to organs through prolonged or repeated exposure. H314 Causes severe skin burns and eye damage. H360Fd May damage fertility. Suspected of damaging the unborn child.

Precautionary statements

P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P280 Wear protective gloves/ protective clothing/ eye protection/ face protection. P301 + P312 IF SWALLOWED: Call a POISON CENTER/ doctor if you feel unwell. P303 + P361 + P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water. P304 + P340 + P310 IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/ doctor. P305 + P351 + P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P280 Wear protective gloves/ protective clothing/ eye protection/ face protection. P303 + P361 + P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water. P304 + P340 + P310 IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/ doctor. P305 + P351 + P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Supplemental label elements

EUH019 May form explosive peroxides. Restricted to professional users. Reduced Labelling (<= 125 ml) EUH019 May form explosive peroxides.

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.

2.1 Classification of the substance or mixture

Classification according to Regulation (EC) No 1272/2008 as amended by GB-CLP Regulation, UK SI 2019/720, and UK SI 2020/1567 Flammable liquids, (Category 2) H225: Highly flammable liquid and vapour. Acute toxicity, (Category 4) H302: Harmful if swallowed. Acute toxicity, (Category 4) H332: Harmful if inhaled. Skin corrosion, (Sub-category H314: Causes severe skin burns and eye 1B) damage. Serious eye damage, (Category H318: Causes serious eye damage. 1) Germ cell mutagenicity, H340: May cause genetic defects. (Category 1B) Carcinogenicity, (Category 1B) H350: May cause cancer. Reproductive toxicity, (Category H360Fd: May damage fertility. Suspected 1B) of damaging the unborn child. Specific target organ toxicity - H335: May cause respiratory irritation. single exposure, (Category 3), Respiratory system Specific target organ toxicity - H336: May cause drowsiness or dizziness. single exposure, (Category 3), Central nervous system Specific target organ toxicity - H372: Causes damage to organs through repeated exposure, (Category 1), prolonged or repeated exposure. Nervous system

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