n-Butyllithium solution

Merck Life Science UK Limited

Revision date : 2025-07-29

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GHS09 GHS07 GHS02 GHS08
Health risk rating 3
Safety risk rating 4
Environmental risk rating 5

Note: Ingredients listed on restricted chemical lists

EC/CAS

203-806-2/110-82-7

Name of the chemical

Cyclohexane

Concentration

>=70-<90

General Information

Version

8.3

Revision date

2025-07-29

Product name

n-Butyllithium solution

REACH No

This

Emergency telephone

+44 (0)870 8200418

Icons in SDS

GHS02 GHS07 GHS08 GHS09

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, H260, H304, H314, H318, H336, H400, H410

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. Substances and mixtures, which H260: In contact with water releases in contact with water, emit flammable gases which may ignite flammable gases, (Category 1) spontaneously. Skin corrosion, (Sub-category H314: Causes severe skin burns and eye 1B) damage. Serious eye damage, (Category H318: Causes serious eye damage. 1) Specific target organ toxicity - H336: May cause drowsiness or dizziness. single exposure, (Category 3), Central nervous system Aspiration hazard, (Category 1) H304: May be fatal if swallowed and enters airways. Short-term (acute) aquatic H400: Very toxic to aquatic life. hazard, (Category 1) Long-term (chronic) aquatic H410: Very toxic to aquatic life with long hazard, (Category 1) lasting effects.

Aspiration hazard

(Category 1) H304 May be fatal if swallowed and enters airways. Short-term (acute) aquatic H400: Very toxic to aquatic life. hazard, (Category 1) Long-term (chronic) aquatic H410: Very toxic to aquatic life with long hazard, (Category 1) lasting effects.

Signal word

Danger Danger

Hazard statements

H225 Highly flammable liquid and vapour. H260 In contact with water releases flammable gases which may ignite spontaneously. H304 May be fatal if swallowed and enters airways. H314 Causes severe skin burns and eye damage. H336 May cause drowsiness or dizziness. H410 Very toxic to aquatic life with long lasting effects. H304 May be fatal if swallowed and enters airways. H314 Causes severe skin burns and eye damage.

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. P301 + P330 + P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. 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. P301 + P330 + P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. 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

EUH014 Reacts violently with water. Reduced Labelling (<= 125 ml) EUH014 Reacts violently with water.

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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