General Information
Version
6.8
Revision date
2025-08-29
Product name
Tetraethylammonium hydroxide solution
1.2.1 Relevant identified uses
Laboratory chemicals, Synthesis of substances
1.2.2. Uses advised against
The product is being supplied under the TSCA R&D Exemption
Emergency telephone
800-424-9300, +1-703- 527-3887
Icons in SDS
Company Information
company name
Sigma-Aldrich Inc
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H290, H302, H311, H314, H370, H372
Hazard statements
Code
Statements
H290
May be corrosive to metals
Section 2
SECTION 2: Hazards identification
Other hazards
None known
Signal word
Danger
Hazard statements
H290 May be corrosive to metals. H302 Harmful if swallowed. H311 Toxic in contact with skin. 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.
Supplemental label elements
Corrosive to the respiratory tract.
Prevention
P234 Keep only in original packaging. P260 Do not breathe mist or vapours. P264 Wash skin thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P280 Wear protective gloves/ protective clothing/ eye protection/ face protection.
Response
P301 + P312 + P330 IF SWALLOWED: Call a POISON CENTER/ doctor if you feel unwell. Rinse mouth. 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/ shower. P304 + P340 + P310 IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/ doctor. P305 + P351 + P338 + P310 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER/ doctor. P314 Get medical advice/ attention if you feel unwell. P361 + P364 Take off immediately all contaminated clothing and wash it before reuse. P390 Absorb spillage to prevent material damage.
Storage
P405 Store locked up. P406 Store in a corrosion resistant container with a resistant inner liner.
Disposal
P501 Dispose of contents/ container to an approved waste disposal plant.
2.1 Classification of the substance or mixture
(29 CFR 1910.1200) Hazards for the product as supplied Corrosive to metals : Category 1 Acute toxicity (Oral) : Category 4 Acute toxicity (Dermal) : Category 3 Skin corrosion : Sub-category 1B Serious eye damage : Category 1 Specific target organ : Category 1 (Central nervous system) toxicity - single exposure Specific target organ : Category 1 (thymus, Liver) toxicity - repeated exposure (Dermal) Other hazards
