CAS number
79-09-4

Molecular formula
C3H6O2

SMILES
CCC(=O)O

Retention indicies (RI)

• Carbowax: 1541.0

sour	75.82%
cheesy	71.3%
pungent	52.64%
sharp	52.54%
dairy	44.55%
sweaty	43.11%
buttery	40.15%
milky	38.93%
odorless	36.72%
caramellic	34.08%

Scent© AI

XLogP3-AA
0.3 Well soluble in MMB, TEC, DEP

Molecular weight
74.08 g/mol

Melting points

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

Boiling points

• 285.3 °F at 760 mmHg (NTP, 1992)
• 141.1 °C
• 141.1 °C
• 141 °C
• 286 °F
• 286 °F

Flash points

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

Solubilities

• greater than or equal to 100 mg/mL at 72 °F (NTP, 1992)
• 1000000 mg/L (at 25 °C)
• For more Solubility (Complete) data for PROPIONIC ACID (6 total), please visit the HSDB record page.
• 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 soluble
• miscible with water, alcohol, organic solvents
• Miscible

• propionic acid
• Propanoic acid
• 79-09-4
• ethylformic acid
• methylacetic acid
• Carboxyethane
• Metacetonic acid
• Ethanecarboxylic acid
• Pseudoacetic acid
• Luprosil
• Monoprop
• Prozoin
• Antischim B
• Propionoic acid
• Acide propionique
• Methyl acetic acid
• Sentry grain preserver
• C3 acid
• Tenox P grain preservative
• Caswell No. 707
• Propionsaeure
• Propcorn
• Propkorn
• propoic acid
• Propioic acid
• Propionic acid grain preserver
• FEMA No. 2924
• acide propanoique
• Kyselina propionova
• Propionic acid (natural)
• FEMA Number 2924
• CCRIS 6096
• EPA Pesticide Chemical Code 077702
• HSDB 1192
• CH3-CH2-COOH
• Acide propionique [French]
• Kyselina propionova [Czech]
• AI3-04167
• Propanyl acid
• CHEBI:30768
• BRN 0506071
• UNII-JHU490RVYR
• n-propionic acid
• Toxi-Check
• JHU490RVYR
• EINECS 201-176-3
• MFCD00002756
• UN1848
• INS NO.280
• DTXSID8025961
• Propionic acid [NF]
• INS-280
• CHEMBL14021
• DTXCID505961
• E-280
• EC 201-176-3
• ethylformate
• 4-02-00-00695 (Beilstein Handbook Reference)
• PROPIONIC-2,2-D2 ACID
• Propionic acid (NF)
• Propionic acid [UN1848] [Corrosive]
• Propionic acid, >=99.5%
• PROPIONIC ACID (MART.)
• PROPIONIC ACID [MART.]
• Sentry Grain Preservative
• proprionic acid
• Luprisol
• proponic acid
• 1-propanoic acid
• 2-methylacetic acid
• EINECS 273-079-4
• Acid C3
• EtCO2H
• EHTYLFORMIC ACID
• Propionic acid solution
• Propionic acid, 99%
• Propanoic acid (9CI)
• C2H5COOH
• bmse000179
• Epitope ID:139981
• Propionic acid, >=99%
• Propionic acid, 99.5%
• ultra-long-chain fatty acid
• PROPIONIC ACID [MI]
• Propionic acid (6CI,8CI)
• PROPIONIC ACID [FCC]
• Propionic acid, 99%, FCC
• PROPIONIC ACID [FHFI]
• PROPIONIC ACID [HSDB]
• PROPIONIC ACID [VANDF]
• GTPL1062
• PROPIONIC ACID [USP-RS]
• PROPIONIC ACID [WHO-DD]
• MSK1701
• DTXSID001015846
• Propionic acid, ACS reagent grade
• Propionic acid, analytical standard
• Propionic acid, natural, 99%, FG
• Tox21_304030
• BDBM50082199
• FA 3:0
• LMFA01010003
• STL168039
• Propionic acid, feed grade, 98.7%
• AKOS000118853
• DB03766
• UN 1848
• CAS-79-09-4
• Propionic acid, for synthesis, 99.5%
• NCGC00357239-01
• Propionic acid, >=99.5%, FCC, FG
• BP-20411
• E280
• Propionic acid, ACS reagent, >=99.5%
• NS00008857
• P0500
• EN300-19540
• Propionic acid, SAJ first grade, >=98.0%
• C00163
• C22352
• D02310
• Propionic acid 1000 microg/mL in Acetonitrile
• Propionic acid, puriss. p.a., >=99.5% (GC)
• Q422956
• F2191-0098
• Z104474154
• InChI=1/C3H6O2/c1-2-3(4)5/h2H2,1H3,(H,4,5
• Propionic acid, BioReagent, suitable for insect cell culture, ~99%