1-Butyne (including cylinder) 95%

H220 Extremely flammable gas; H280 Contains gas under pressure; may explode if heated; H302 Harmful if swallowed; H312 Harmful in contact with skin; H319 Causes serious eye irritation; H332 Harmful if inhaled; H335 May cause respiratory irritation.

P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking; P261 Avoid breathing dust/fume/gas/mist/vapors/spray; P280 Wear protective gloves/protective clothing/eye protection/face protection; P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell; P302+P352 IF ON SKIN: wash with plenty of soap and water; P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position 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; P332+P313 IF SKIN irritation occurs: Get medical advice/attention; P377 Leaking gas fire: Do not extinguish, unless leak can be stopped safely; P381 Eliminate all ignition sources if safe to do so; P410+P403 Protect from sunlight. Store in a well-ventilated place.