Propiolic acid
ALDRICH/P51400 - 95%
Synonym: Acetylenecarboxylic acid; Propynoic acid
CAS Number: 471-25-0
Empirical Formula (Hill Notation): C3H2O2
Molecular Weight: 70.05
EC Number: 207-437-8
MDL Number: MFCD00004360
Linear Formula: HC≡CCOOH
Product Type: Chemical
assay | 95% |
bp | 102 °C/200 mmHg (lit.) |
density | 1.138 g/mL at 25 °C (lit.) |
impurities | ≤6.0% acetic acid |
InChI | 1S/C3H2O2/c1-2-3(4)5/h1H, |
InChI key | UORVCLMRJXCDCP-UHFFFAOYSA |
mp | 16-18 °C (lit.) |
Quality Level | 200 ![]() |
refractive index | n |
SMILES string | OC(=O)C#C |
storage temp. | 2-8°C |
Application: | Reagent employed in the synthesis of transition metal complexes, haloalkyl propiolates, and halopropenoates. |
Packaging: | 5, 25, 100 g in glass bottle |
Symbol | ![]() ![]() ![]() |
Signal word | Danger |
Hazard statements | H226 - H301 - H310 - H314 |
Precautionary statements | P210 - P233 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 |
Hazard Codes | T |
Risk Statements | 24/25-34 |
Safety Statements | 26-36/37/39-45 |
RIDADR | UN 2920 3(8) / PGII |
WGK Germany | WGK 3 |
Flash Point(F) | 136.4 °F - closed cup |
Flash Point(C) | 58 °C - closed cup |
Purity | 95% |
bp | 102 °C/200 mmHg (lit.) |
mp | 16-18 °C (lit.) |
Density | 1.138 g/mL at 25 °C (lit.) |
Refractive Index | n |
Storage Temp. | 2-8°C |
UNSPSC | 12352100 |