General Information
Revision date
2026-06-14
Product name
n-Undecane
CAS No.
1120-21-4
1.2.1 Relevant identified uses
Laboratory chemical (reagent)
supplier name
Fisher Scientific Korea
Emergency telephone
+(82) 070-7686-0086, 1-703-741-5970, 1-800-424-9300, 1-703-527-3887, 00-308-13-2549
Icons in SDS
Company Information
company name
Thermo Fisher Scientific Chemicals, Inc
e-mail address of the competent person responsible for the Safety Data Sheet
Chem.KR@thermofisher.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H226, H304
Hazard statements
Code
Statements
H226
Flammable liquid and vapour
Section 2
SECTION 2: Hazards identification
Classification of the substance or mixture
Physical hazards
Flammable liquids Category 3 3 2 0 N/A
Aspiration hazard
Category 1
Environmental hazards
Based on available data, the classification criteria are not met
Signal word
Danger
Hazard statements
H226 - Flammable liquid and vapor H304 - May be fatal if swallowed and enters airways
Prevention
P210 - Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking P233 - Keep container tightly closed 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 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 P370 + P378 - In case of fire: Use dry sand, dry chemical or alcohol-resistant foam for extinction P301 + P310 - IF SWALLOWED: Immediately call a POISON CENTER or doctor P331 - Do NOT induce vomiting
Storage
P403 + P235 - Store in a well-ventilated place. Keep cool P405 - Store locked up
Disposal
P501 - Dispose of contents/container to industrial incineration plant
2.3 Other hazards
Repeated exposure may cause skin dryness or cracking This product does not contain any known or suspected endocrine disruptors NFPA Health Flammability Instability
2.1 Classification of the substance or mixture
Physical hazards Flammable liquids Category 3 Health hazards Aspiration hazard Category 1 Environmental hazards Based on available data, the classification criteria are not met