Triethylphosphine solution

Merck Ltd.

Revision date : 2026-07-13

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GHS02 GHS08 GHS05 GHS07
Health risk rating 4
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

>=90-< >=25% >=25%

General Information

Version

6.9

Revision date

2026-07-13

Product name

Triethylphosphine solution

1.2.2. Uses advised against

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

Emergency telephone

+81 (0)3 4520 9637

Icons in SDS

GHS02 GHS05 GHS07 GHS08 M004 M009 M010 M011 M017

Company Information

company name

Merck Ltd.

GHS Information

Signal word

Danger

Hazard Codes

Hazard statements (CLP)

H225, H250, H302, H314, H318, H335, H336, H351

Hazard statements

Code

Statements

H225

Highly Flammable liquid and vapour

Section 2

SECTION 2: Hazards identification

Regulation (EC) No. 1272/2008 Classification of the substance or mixture

Signal word

Danger Danger

Hazard statements

H225 Highly flammable liquid and vapour. H250 Catches fire spontaneously if exposed to air. H302 Harmful if swallowed. H314 Causes severe skin burns and eye damage. H335 May cause respiratory irritation. H336 May cause drowsiness or dizziness. H351 Suspected of causing cancer. H250 Catches fire spontaneously if exposed to air. H351 Suspected of causing cancer. H314 Causes severe skin burns and eye damage.

Supplemental label elements

EUH019 May form explosive peroxides. EUH019 May form explosive peroxides.

Precautionary statements

P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P231 + P232 Handle and store contents under inert gas. Protect from moisture. P280 Wear protective gloves/ protective clothing/ eye protection/ face protection. P231 + P232 Handle and store contents under inert gas. Protect from moisture. 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. P305 + P351 + P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P370 + P378 In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish.

Response

P303 + P361 + P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water. P305 + P351 + P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P370 + P378 In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish.

Hazardous Ingredients

Tetrahydrofuran triethylphosphine Reduced Labelling (<= 125 ml)

2.3 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 (REGULATION (EC) No 1272/2008) Flammable liquids, Category 2 H225: Highly flammable liquid and vapour. Pyrophoric liquids, Category 1 H250: Catches fire spontaneously if exposed to air. Acute toxicity, Category 4 H302: Harmful if swallowed. Skin corrosion, Sub-category 1B H314: Causes severe skin burns and eye damage. Serious eye damage, Category 1 H318: Causes serious eye damage. Carcinogenicity, Category 2 H351: Suspected of causing cancer. 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

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