General Information
Version
8.15
Revision date
2025-11-27
Product name
α-Naphthyl Acetate (Non-Specific Esterase)
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)
H226, H290, H302+H312+H332, H314, H351, H360, H370, H372, H373, H410
Hazard statements
Code
Statements
H226
Flammable liquid and vapour
Section 2
SECTION 2: Hazards identification
Long term hazards
Category 1 aquatic hazard
Other hazards
None known
Signal word
Danger
Hazard statements
H226 Flammable liquid and vapour. H290 May be corrosive to metals. H302 + H312 + H332 Harmful if swallowed, in contact with skin or if inhaled. H314 Causes severe skin burns and eye damage. H351 Suspected of causing cancer. H360 May damage fertility or the unborn child. H370 Causes damage to organs (Immune system). H372 Causes damage to organs (Central nervous system) through prolonged or repeated exposure if swallowed. H373 May cause damage to organs (thymus) through prolonged or repeated exposure. H410 Very toxic to aquatic life with long lasting effects.
Supplemental label elements
Corrosive to the respiratory tract.
Prevention
P201 Obtain special instructions before use. P202 Do not handle until all safety precautions have been read and understood. P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P233 Keep container tightly closed. P234 Keep only in original packaging. P240 Ground and bond container and receiving equipment. P241 Use explosion-proof electrical/ ventilating/ lighting P242 Use non-sparking tools. P243 Take action to prevent static discharges. P260 Do not breathe mist or vapours. P264 Wash skin thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P271 Use only outdoors or in a well-ventilated area. P273 Avoid release to the environment. 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. P308 + P313 IF exposed or concerned: Get medical advice/ attention. P362 + P364 Take off contaminated clothing and wash it before reuse. P370 + P378 In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish. P390 Absorb spillage to prevent material damage. P391 Collect spillage.
Storage
P403 + P235 Store in a well-ventilated place. Keep cool. 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 Flammable liquids : Category 3 Corrosive to metals : Category 1 Acute toxicity (Oral) : Category 4 Acute toxicity : Category 4 (Inhalation) Acute toxicity (Dermal) : Category 4 Skin corrosion : Sub-category 1B Serious eye damage : Category 1 Carcinogenicity : Category 2 Reproductive toxicity : Category 1B Specific target organ : Category 1 (Immune system) toxicity - single exposure Specific target organ : Category 1 (Central nervous system) toxicity - repeated exposure (Oral) Specific target organ : Category 2 (thymus) toxicity - repeated exposure Short-term (acute) : Category 1 aquatic hazard Long-term (chronic) : Category 1 aquatic hazard Other hazards