General Information
Version
8.6
Revision date
2024-09-07
Product name
Propyne
CAS No.
74-99-7
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)
H220, H280, H335
Hazard statements
Code
Statements
H220
Extremely flammable gas
Section 2
SECTION 2: Hazards identification
Classification of the substance or mixture
Signal word
Danger
Hazard statements
H220 Extremely flammable gas. H280 Contains gas under pressure; may explode if heated. H335 May cause respiratory irritation. May displace oxygen and cause rapid suffocation.
Precautionary statements
P210 Keep away from heat/ sparks/ open flames/ hot surfaces. No smoking. P261 Avoid breathing gas. P271 Use only outdoors or in a well-ventilated area. P304 + P340 + P312 IF INHALED: Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER/ doctor if you feel unwell. P377 Leaking gas fire: Do not extinguish, unless leak can be stopped safely. P381 Eliminate all ignition sources if safe to do so. P403 + P233 Store in a well-ventilated place. Keep container tightly closed. P405 Store locked up. P410 + P403 Protect from sunlight. Store in a well-ventilated place. P501 Dispose of contents/ container to an approved waste disposal plant.
2.3 Other hazards
May displace oxygen and cause rapid suffocation. May form explosive peroxides.
2.1 Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS) Flammable gases (Category 1), H220 Gases under pressure (Compressed gas), H280 Specific target organ toxicity - single exposure (Category 3), Respiratory system, H335 Simple Asphyxiant, For the full text of the H-Statements mentioned in this Section, see Section 16.
