Tetraethylammonium hydroxide solution

Merck Life Science UK Limited

Revision date : 2025-08-29

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

General Information

Version

6.5

Revision date

2025-08-29

Product name

Tetraethylammonium hydroxide solution

REACH No

This

1.2.2. Uses advised against

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

Emergency telephone

+44 (0)870 8200418

Icons in SDS

GHS08 M004 M009 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)

H290, H314, H370, H372

Hazard statements

Code

Statements

H290

May be corrosive to metals

Section 2

SECTION 2: Hazards identification

2.1 Classification of the substance or mixture

Corrosive to metals, (Category 1) H290: May be corrosive to metals. Skin corrosion, (Category 1) H314: Causes severe skin burns and eye damage. Serious eye damage, (Category H318: Causes serious eye damage. 1) Specific target organ toxicity - H370: Causes damage to organs. single exposure, (Category 1), Central nervous system Specific target organ toxicity - H372: Causes damage to organs through repeated exposure, (Category 1), prolonged or repeated exposure in contact thymus, Liver with skin.

Signal word

Danger Danger

Hazard statements

H290 May be corrosive to metals. H314 Causes severe skin burns and eye damage. H370 Causes damage to organs (Central nervous system). H372 Causes damage to organs (thymus, Liver) through prolonged or repeated exposure in contact with skin. H370 Causes damage to organs. H372 Causes damage to organs through prolonged or repeated exposure in contact with skin. H314 Causes severe skin burns and eye damage.

Precautionary statements

P234 Keep only in original packaging. P260 Do not breathe mist or vapours. 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. P260 Do not breathe mist or vapours. 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

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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