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Basic Information
| Appearance and Shape (20°C) | Liquid |
|---|---|
| CAS RN | 74-99-7 |
| MDL number | MFCD00036235 |
| Molecular weight | 40.07 |
| Molecular Formula | C3H4 |
| Product code | ICTP1881 |
| PubChem Substance ID | 135726984 |
| Reaxys-RN | 878138 |
| Situations to avoid | Air Sensitive,Heat Sensitive |
| Store under inert gas | Store under inert gas |
Technical Specifications
Technical Specifications
| Appearance | Colorless to Almost colorless clear liquid |
|---|
Safety and Regulatory
GHS
| Pictograms |
|
|---|---|
| Hazard statement | H315 : Causes skin irritation H319 : Causes serious eye irritation H373 : May cause damage to organs through prolonged or repeated exposure H341 : Suspected of causing genetic defects H335 : May cause respiratory irritation H336 : May cause drowsiness or dizziness H304 : May be fatal if swallowed and enters airways H410 : Very toxic to aquatic life with long lasting effects H225 : Highly flammable liquid and vapor. |
| Precautionary Statements | P501 : Dispose of contents/ container to an approved waste disposal plant P273 : Avoid release to the environment P260 : Do not breathe dust/ fume/ gas/ mist/ vapors/ spray P202 : Do not handle until all safety precautions have been read and understood P240 : Ground/bond container and receiving equipment P210 : Keep away from heat/sparks/open flames/hot surfaces. No smoking P233 : Keep container tightly closed P201 : Obtain special instructions before use P243 : Take precautionary measures against static discharge P241 : Use explosion-proof electrical/ ventilating/ lighting/ equipment P242 : Use only non-sparking tools P271 : Use only outdoors or in a well-ventilated area P264 : Wash skin thoroughly after handling P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection P370 + P378 : In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish P391 : Collect spillage P331 : Do NOT induce vomiting P308 + P313 : IF exposed or concerned: Get medical advice/ attention P337 + P313 : If eye irritation persists: Get medical advice/ attention P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing P303 + P361 + P353 : IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower P332 + P313 : If skin irritation occurs: Get medical advice/ attention P301 + P310 : IF SWALLOWED: Immediately call a POISON CENTER/doctor P362 : Take off contaminated clothing and wash before reuse P304 + P340 + P312 : IF INHALED: Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER/doctor if you feel unwell P403 + P233 : Store in a well-ventilated place. Keep container tightly closed P403 + P235 : Store in a well-ventilated place. Keep cool P405 : Store locked up. |
| Signal word | Danger |
Transport information
| Category | 3 |
|---|---|
| Packaging category | II |
| UN number | UN1206 |
Product Category
Chemical structure
Chemicals by Class Compounds by Functional Group Classes Acetylenes [Chemical Structural Class] Acetylenic Aliphatic Hydrocarbons [Chemical Structural Class]
Chemistry Chemical Biology Conjugation Chemistry: Azides, Alkynes and Other Reagents Aliphatic Hydrocarbons [Terminal Alkynes] Aliphatic Terminal Alkynes [Conjugation Chemistry] Terminal Alkynes [Click Chemistry] Synthetic Reagents Specialty Gases [Synthetic Reagents] Volatile Solutions
Life Science Pharmaceutical Development and Drug Discovery Research Conjugation Chemistry: Azides, Alkynes and Other Reagents Aliphatic Hydrocarbons [Terminal Alkynes] Aliphatic Terminal Alkynes [Conjugation Chemistry] Terminal Alkynes [Click Chemistry]