Propionic Acid - Materials / Alfa Chemistry

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Propionic Acid

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Catalog Number

ACMA00017165

Product Name

Propionic Acid

Category

Polymers

Description

Propionic acid is a colorless liquid with a sharp rancid odor. Produces irritating vapor. (USCG, 1999);Liquid;Colourless or slightly yellowish, oily liquid with a slightly pungent odour;Liquid;Liquid;OILY COLOURLESS LIQUID WITH PUNGENT ODOUR.;oily liquid/slightly pungent, rancid odour;Colorless, oily liquid with a pungent, disagreeable, rancid odor.;Colorless, oily liquid with a pungent, disagreeable, rancid odor. [Note: A solid below 5°F.]

IUPAC Name

propanoic acid

Molecular Weight

74.08g/mol

Molecular Formula

C3H6O2;C3H6O2;CH3CH2COOH;CH3CH2COOH;C3H6O2

Canonical SMILES

CCC(=O)O

InChI

InChI=1S/C3H6O2/c1-2-3(4)5/h2H2,1H3,(H,4,5)

InChI Key

XBDQKXXYIPTUBI-UHFFFAOYSA-N

Boiling Point

285.3 °F at 760 mm Hg (NTP, 1992);141.1 °C;141.1 °C;141 °C;286°F;286°F

Melting Point

-6.7 °F (NTP, 1992);-20.7 °C;Mp -21.5 °;-21.5 °C;-20.7°C;-21 °C;-6.7°F;5°F

Flash Point

130 °F (NTP, 1992);126 °F (52 °C) (Closed cup);54 °C c.c., 57 °C o.c.;126°F;126°F

Density

0.995 at 68 °F (USCG, 1999);d1515 1;Specific gravity: 0.993 g/cu cm at 20 °C;Relative density (water = 1): 0.99;0.993-0.997 (20?°/20?°);0.99;0.99

Solubility

greater than or equal to 100 mg/mL at 72° F (NTP, 1992);13.50 M;1000 mg/mL at 25 °C;Sol in alcohol, ether, chloroform.;Miscible with ethanol; soluble in diethyl ether; slightly soluble in chloroform;In water, 1.0X10+6 mg/L at 25 °C /miscible/;1000.0 mg/mL;Solubility in water: very good;miscible with water, alcohol, organic solvents;Miscible

Color/Form

Colorless, oily liquid [Note: A solid below 5 degrees F];Clear, colorless liquid

Complexity

40.2

Corrosivity

CORROSIVE

Covalently-Bonded Unit Count

EC Number

201-176-3;201-176-3;273-598-6;273-079-4

Exact Mass

74.036779g/mol

Formal Charge

Heat of Vaporization

418.7 kJ/kg

Heavy Atom Count

ICSC Number

0806

Log P

0.33 (LogP);0.33;log Kow = 0.33;0.33;0.33

MeSH Entry Terms

chromium propionate;ethylformic acid;lithium propanoate;Monoprop;potassium propionate;propionic acid;propionic acid, zinc salt;zinc propionate

Monoisotopic Mass

74.036779g/mol

Odor

Slightly pungent disagreeable, rancid odor

Other Experimental

RATIO OF SPECIFIC HEATS OF VAPOR (GAS): 1.103; LATENT HEAT OF VAPORIZATION: 248 BTU/LB= 138 CAL/G= 5.78X10+5 J/KG;Azeotrope with water, bp 98.98 °C, contains 17.7% acid; with toluene, bp 110.45 °C, contains 3% acid; with ortho-xylene, bp 135.4 °C, contains 43% acid; with ethylbenzene, 131.1 °C, contains 28% acid.;Can be salted out of water soln by the addition of calcium chloride or other salts.;DENSITY OF SATURATED AIR: 1.02 (AIR= 1);Critical density: 0.315 g/ml;Specific heat = 2.34 J/g;Solid propionic acid forms monoclinic crystals and undergoes an increase in volume on melting of 12.2%.;Vapor pressure: 3.3 mm Hg at 27.6 °C;Vapor pressure: 20 mmHg at 125 °F;Powder, usually with slight odor. Freely soluble in water; slightly sol in alcohol. /Barium salt monohydrate/;Henry's Law constant = 4.45X10-7 atm-cu m/mole at 25 °C;Hydroxyl radical reaction rate constant = 1.22X10-12 cu cm/molec-sec at 25 °C

Refractive Index

Index of refraction: 1.3869 @ 20 °C;1.384-1.389

Rotatable Bond Count

RTECS Number

UE5950000

UNII

JHU490RVYR

UN Number

1848;1848;1848;1848;1848

Vapor Density

2.56 (NTP, 1992) (Relative to Air);2.56 (Air = 1);Relative vapor density (air = 1): 2.6;2.56

Vapor Pressure