Note: Ingredients listed on restricted chemical lists
EC/CAS
685-63-2
Name of the chemical
Hexafluoro-1,3-butadiene
Concentration
N/A
General Information
Revision date
2025-12-04
Product name
Hexafluoro-1,3-Butadiene
Chemical name
1,1,2,3,4,4-hexafluorobuta-1,3-diene
CAS No.
685-63-2
supplier name
Airgas USA, LLC
Icons in SDS
Company Information
company name
Airgas USA, LLC
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H220, H280, H302+H312, H315, H319, H331, H335, H372
Hazard statements
Code
Statements
H220
Extremely flammable gas
Section 2
SECTION 2: Hazards identification
Signal word
Danger
Hazard statements
H220 - Extremely flammable gas. H280 - Contains gas under pressure; may explode if heated. H302 + H312 - Harmful if swallowed or in contact with skin. H315 - Causes skin irritation. H319 - Causes serious eye irritation. H331 - Toxic if inhaled. H335 - May cause respiratory irritation. H372 - Causes damage to organs through prolonged or repeated exposure. May cause frostbite. May form explosive mixtures with air.
Precautionary statements
General Read and follow all Safety Data Sheets (SDS’S) before use. Read label before use. Keep out of reach of children. If medical advice is needed, have product container or label at hand. Close valve after each use and when empty. Use equipment rated for cylinder pressure. Do not open valve until connected to equipment prepared for use. Use a back flow preventative device in the piping. Use only equipment of compatible materials of construction. Always keep container in upright position. Approach suspected leak area with caution.
Prevention
P280 - Wear protective gloves and protective clothing. Wear eye or face protection. P210 - Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P271 - Use only outdoors or in a well-ventilated area. P260 - Do not breathe gas. P270 - Do not eat, drink or smoke when using this product. P264 - Wash thoroughly after handling.
Response
P377 - Leaking gas fire: Do not extinguish, unless leak can be stopped safely. P381 - In case of leakage, eliminate all ignition sources. P304 + P340, P311 - IF INHALED: Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER or doctor. P301 + P312, P330 - IF SWALLOWED: Call a POISON CENTER or doctor if you feel unwell. Rinse mouth. P302 + P312, P352 - IF ON SKIN: Call a POISON CENTER or doctor if you feel unwell. Wash with plenty of water. P332 + P313 - If skin irritation occurs: Get medical advice or attention. P362 + P364 - Take off contaminated clothing and wash it before reuse. P305 + P351 + P338 - IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P337 + P313 - If eye irritation persists: Get medical advice or attention.
Storage
P405 - Store locked up. P410 + P403 - Protect from sunlight. P403 + P233 - Store in a well-ventilated place. Keep container tightly closed.
Disposal
P501 - Dispose of contents and container in accordance with all local, regional, national and international regulations.
2.3 Other hazards
Liquid can cause burns similar to frostbite. Hazards identified when used : No known significant effects or critical hazards.
2.1 Classification of the substance or mixture
GASES UNDER PRESSURE - Liquefied gas ACUTE TOXICITY (oral) - Category 4 ACUTE TOXICITY (dermal) - Category 4 ACUTE TOXICITY (inhalation) - Category 3 SKIN IRRITATION - Category 2 EYE IRRITATION - Category 2A SPECIFIC TARGET ORGAN TOXICITY (SINGLE EXPOSURE) (Respiratory tract irritation) - Category 3 SPECIFIC TARGET ORGAN TOXICITY (REPEATED EXPOSURE) - Category 1