Note: Ingredients listed on restricted chemical lists
EC/CAS
4170-30-3
Name of the chemical
Crotonaldehyd; 2-Butenal (E)-2-Butenal; (E)-Crotonaldehyd
Concentration
>95
General Information
Version
8
Revision date
2026-07-16
Product name
Crotonaldehyde
Product Synonyms
(E)-2-Butenal
CAS No.
4170-30-3
supplier name
Fisher Scientific UK
Emergency telephone
001-800-227-6701, +32 14 57 52 11, 001-201-796-7100, +32 14 57 52 99, 001-800-424-9300, 001-703-527-3887
Icons in SDS
Company Information
company name
Fisher Scientific UK
e-mail address of the competent person responsible for the Safety Data Sheet
begel.sdsdesk@thermofisher.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H225, H301, H310+H330, H315, H318, H335, H341, H373, H410
Hazard statements
Code
Statements
H225
Highly Flammable liquid and vapour
Section 2
SECTION 2: Hazards identification
Physical State
Appearance/Odor
Liquid Clear pungent Emergency Overview Highly flammable liquid and vapor. Toxic if swallowed. Fatal in contact with skin. Causes skin irritation. Causes serious eye damage. Fatal if inhaled. May cause respiratory irritation. Suspected of causing genetic defects. May cause damage to organs through prolonged or repeated exposure. Very toxic to aquatic life with long lasting effects. Air sensitive. Lachrymator (substance which increases the flow of tears). Classification of the substance or mixture Flammable liquids Category 2 Acute Oral Toxicity Category 3 Acute Dermal Toxicity Category 1 Acute Inhalation Toxicity - Vapors Category 2 Skin Corrosion/Irritation Category 2 Serious Eye Damage/Eye Irritation Category 1 Germ Cell Mutagenicity Category 2 Specific target organ toxicity - (single exposure) Category 3 Specific target organ toxicity - (repeated exposure) Category 2 Acute aquatic toxicity Category 1 Chronic aquatic toxicity Category 1 ______________________________________________________________________________________________
Signal word
Danger
Hazard statements
H225 - Highly flammable liquid and vapor H301 - Toxic if swallowed H315 - Causes skin irritation H318 - Causes serious eye damage H335 - May cause respiratory irritation H341 - Suspected of causing genetic defects H373 - May cause damage to organs through prolonged or repeated exposure H410 - Very toxic to aquatic life with long lasting effects H310 + H330 - Fatal in contact with skin or if inhaled
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 P240 - Ground and bond container and receiving equipment P241 - Use explosion-proof electrical/ ventilating/ lighting equipment P242 - Use non-sparking tools P243 - Take action to prevent static discharges P260 - Do not breathe dust/fume/gas/mist/vapors/spray P262 - Do not get in eyes, on skin, or on clothing P264 - Wash face, hands and any exposed 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 P284 - Wear respiratory protection P280 - Wear protective gloves/protective clothing/eye protection/face protection
Response
P303 + P361 + P353 - IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower P304 + P340 - IF INHALED: Remove person to fresh air and keep comfortable for breathing P305 + P351 + P338 - IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing P310 - Immediately call a POISON CENTER or doctor P330 - Rinse mouth P370 + P378 - In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish P362 + P364 - Take off contaminated clothing and wash it before reuse
Storage
P403 + P233 - Store in a well-ventilated place. Keep container tightly closed P405 - Store locked up
Disposal
P501 - Dispose of contents/ container to an approved waste disposal plant
Other physicochemical hazards
Highly flammable. Vapors may cause flash fire or explosion.
Health hazards
Toxic if swallowed. Fatal in contact with skin. Causes skin irritation. Corrosive. Causes eye burns. Fatal if inhaled. May cause respiratory irritation. Suspected of causing genetic defects. May cause damage to organs through prolonged or repeated exposure.
Environmental hazards
Very toxic to aquatic life with long lasting effects. Will likely be mobile in the environment due to its water solubility. The product is water soluble, and may spread in water systems.
2.3 Other hazards
Lachrymator (substance which increases the flow of tears) This product does not contain any known or suspected endocrine disruptors.
2.1 Classification of the substance or mixture
Classification of the substance or mixture Flammable liquids. Category 2 Acute Oral Toxicity Category 3 Acute Dermal Toxicity Category 1 Acute Inhalation Toxicity - Vapors Category 2 Skin Corrosion/Irritation Category 2 Serious Eye Damage/Eye Irritation Category 1 Germ Cell Mutagenicity Category 2 Specific target organ toxicity - (single exposure) Category 3 Specific target organ toxicity - (repeated exposure) Category 2 Acute aquatic toxicity Category 1 Chronic aquatic toxicity Category 1