Potassium tert-butoxide

Company name

Sigma-Aldrich Chemie GmbH

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

technischerservice@merckgroup.com

Signal word

Danger

Hazard statements (CLP)

H228, H252, H260, H314, H318

Code

Statements

H228

Flammable solid

H252

Self-heating in large quantities; may catch fire

H260

In contact with water releases flammable gases which may ignite spontaneously

H314

Causes severe skin burns and eye damage

H318

Causes serious eye damage

Code

Statements

P210

Keep away from heat, hot surface, sparks, open flames and other ignition sources. - No smoking.

P231+P232

Handle under inert gas/... Protect from moisture.

P260

Do not breathe dust/fume/gas/mist/vapors/spray.

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 [or shower].

P305+P351+P338

IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do - continue rinsing.

Code

Statements

EUH014

Reacts violently with water

CLP CLASSIFICATION

Flammable solids (Category 1), H228 Self-heating substances and mixtures (Category 2), H252 Substances and mixtures which in contact with water emit flammable gases (Category 1), H260 Skin corrosion (Sub-category 1A), H314 Serious eye damage (Category 1), H318 For the full text of the H-Statements mentioned in this Section, see Section 16.

2.2 Label elements

Labelling according Regulation (EC) No 1272/2008

Signal word

Danger Danger

Hazard statements

H228 Flammable solid. H252 Self-heating in large quantities; may catch fire. H260 In contact with water releases flammable gases which may ignite spontaneously. H314 Causes severe skin burns and eye damage. 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. P260 Do not breathe dust. 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. P260 Do not breathe dust. 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.

Supplemental label elements

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

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.