Propiolic Acid
- Product NamePropiolic Acid
- CAS471-25-0
- CBNumberCB8195906
- MFC3H2O2
- MW70.05
- EINECS207-437-8
- MDL NumberMFCD00004360
- MOL File471-25-0.mol
Chemical Properties
| Melting point | 16-18 °C (lit.) |
| Boiling point | 102 °C/200 mmHg (lit.) |
| Density | 1.138 g/mL at 25 °C (lit.) |
| refractive index | n |
| Flash point | 138 °F |
| storage temp. | 2-8°C |
| solubility | Chloroform (Soluble), Methanol (Soluble) |
| form | Liquid After Melting |
| pka | 1.84(at 25℃) |
| color | Clear colorless to light brown |
| Specific Gravity | 1.138 |
| Water Solubility | miscible |
| Merck | 14,7821 |
| BRN | 878176 |
| Stability | Stable. Incompatible with bases, oxidizing agents, reducing agents. Combustible. |
| CAS DataBase Reference | 471-25-0(CAS DataBase Reference) |
| EWG's Food Scores | 1 |
| FDA UNII | P2QW39G9LZ |
Safety
| Symbol(GHS) |
  
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| 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 | 24/25-34-25-23/24/25 | |||||||||
| Safety Statements | 26-36/37/39-45-24/25-7/9 | |||||||||
| RIDADR | UN 2920 8/PG 2 | |||||||||
| WGK Germany | 3 | |||||||||
| RTECS | UD9300000 | |||||||||
| F | 3-8 | |||||||||
| TSCA | Yes | |||||||||
| HazardClass | 8 | |||||||||
| PackingGroup | II | |||||||||
| HS Code | 29161980 | |||||||||
| Hazardous Substances Data | 471-25-0(Hazardous Substances Data) | |||||||||
| Toxicity | guinea pig,LD50,skin,100mg/kg (100mg/kg),"Patty's Industrial Hygiene and Toxicology," 3rd rev. ed., Clayton, G.D., and F.E. Clayton, eds., New York, John Wiley & Sons, Inc., 1978-82. Vol. 3 originally pub. in 1979; pub. as 2n rev. ed. in 1985.Vol. 2C, Pg. 4953, 1982. | |||||||||
| NFPA 704: |
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