Appearance and Shape (20°C) | Liquid |
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CAS RN | 922-67-8 |
MDL number | MFCD00008572 |
Molecular weight | 84.07 |
Molecular Formula | C4H4O2 |
Product code | ICTP0528 |
PubChem Substance ID | 87574709 |
Purity/Analytical Methods | >98.0%(GC) |
Reaxys-RN | 605462 |
SDBS (AIST Spectral DB) | 381 |
Situations to avoid | Air Sensitive |
Store under inert gas | Store under inert gas |
Appearance | Colorless to Almost colorless clear liquid |
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Purity(GC) | min. 98.0 % |
Boiling point | 102 °C |
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Flash point | 10 °C |
Poroportion | 1.01 |
Refractive index | 1.41 |
Pictograms |
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Hazard statement | H315 : Causes skin irritation H319 : Causes serious eye irritation H225 : Highly flammable liquid and vapor. |
Precautionary Statements | P501 : Dispose of contents/ container to an approved waste disposal plant P240 : Ground/bond container and receiving equipment P210 : Keep away from heat/sparks/open flames/hot surfaces. No smoking P233 : Keep container tightly closed P243 : Take precautionary measures against static discharge P241 : Use explosion-proof electrical/ ventilating/ lighting/ equipment P242 : Use only non-sparking tools P264 : Wash skin thoroughly after handling P280 : Wear protective gloves/ eye protection/ face protection P370 + P378 : In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish 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 P362 : Take off contaminated clothing and wash before reuse P403 + P235 : Store in a well-ventilated place. Keep cool. |
Signal word | Danger |
RTECS# | UE0050000 |
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Category | 3 |
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Packaging category | II |
UN number | UN3272 |
Chemicals by Class Compounds by Functional Group Classes Acetylenes [Chemical Structural Class] Acetylenic Carboxylic Acids & Their Derivatives [Chemical Structural Class]
Chemistry Building Blocks Non-Heterocyclic Building Blocks Carbonyl Compounds [Non-Heterocyclic Building Blocks] Esters_C1-C5 [Non-Heterocyclic Building Blocks] Esters [Non-Heterocyclic Building Blocks] Chemical Biology Conjugation Chemistry: Azides, Alkynes and Other Reagents Carboxylic Acids & Esters [Terminal Alkynes] Terminal Alkynes [Click Chemistry]
Life Science Pharmaceutical Development and Drug Discovery Research Conjugation Chemistry: Azides, Alkynes and Other Reagents Carboxylic Acids & Esters [Terminal Alkynes] Terminal Alkynes [Click Chemistry]