ChemicalBook Product Catalog Chemical Reagents Organic reagents fatty acid Propiolic Acid

Propiolic Acid

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	n20/D 1.431(lit.)
Flash point	138 °F
storage temp.	2-8°C
solubility	Chloroform (Soluble), Methanol (Soluble)
form	Liquid After Melting
pka	1.84(at 25℃)
Specific Gravity	1.138
color	Clear colorless to light brown
Water Solubility	miscible
Merck	14,7821
BRN	878176
Stability	Stable. Incompatible with bases, oxidizing agents, reducing agents. Combustible.
InChI	1S/C3H2O2/c1-2-3(4)5/h1H,(H,4,5)
InChIKey	UORVCLMRJXCDCP-UHFFFAOYSA-N
SMILES	OC(=O)C#C
CAS DataBase Reference	471-25-0(CAS DataBase Reference)
NIST Chemistry Reference	Propiolic acid(471-25-0)
EPA Substance Registry System	2-Propynoic acid (471-25-0)

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	TSCA listed
HazardClass	8
PackingGroup	II
HS Code	29161980
Storage Class	3 - Flammable liquids
Hazard Classifications	Acute Tox. 2 Dermal Acute Tox. 3 Oral Eye Dam. 1 Flam. Liq. 3 Skin Corr. 1B
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.