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LC4850 Pentanoic acid
for synthesis


Order number Packaging Quantity Price €
AC31850 Glass bottle 100 ml 11.88
AC31850 Glass bottle 500 ml 14.22
AC31850 Glass bottle 1 l 23.40


Product information
Synonyms Valeric acid
Hill Formula C5H10O2
Chemical formula CH3(CH2)3COOH
HS Code 2915 60 90
EC number 203-677-2
Molar mass 102.13 g/mol
EC index number 607-143-00-3
CAS number 109-52-4


Chemical and physical data
Ignition temperature 360 °C
Solubility 40 g/l (20 °C)
Melting point -32 °C
Molar mass 102.13 g/mol
Density 0.938 g/cm3 (20 °C)
pH value 2.7 (40 g/l, H2O, 20 °C)
Boiling point 186 °C (1013 hPa)
Vapor pressure 0.3 hPa (20 °C)
Explosion limit 1.8 – 7.3 %(V)
Flash point 96 °C
Refractive index 1.4076 (20 °C, 589 nm)


Safety information according to GHS
Hazard Statement(s) H314: Causes severe skin burns and eye damage.
H412: Harmful to aquatic life with long lasting effects.
Precautionary Statement(s) P273: Avoid release to the environment.
P301 + P330 + P331: IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Signal Word Danger
Hazard Pictogram(s)
RTECS YV6100000
Storage class 8 A Combustible substances, corrosive
WGK WGK 1 slightly water endangering
Disposal 4
Liquid organic acids or solutions should be diluted, if necessary, and carefully neutralized with sodium hydrogen carbonate (Cat. No. 106323) or with sodium hydroxide (Cat. No 106462). Before filling into container D, check the pH with pH universal indicator strips (Cat. No. 109535).


Safety information
R Phrase R 34-52/53
Causes burns.Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
S Phrase S 26-36-45-61
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).Avoid release to the environment. Refer to special instructions/ Safety data sheets.
Categories of danger corrosive, dangerous for the environment
Hazard Symbo



Transport information
Declaration (transport by sea) IMDG-Code UN 3265 CORROSIVE LIQUID, ACIDIC, ORGANIC, N.O.S.(VALERIC ACID), 8, II, Segregation Group: 1 (Acids)
Declaration (transport by air) IATA-DGR UN 3265 CORROSIVE LIQUID, ACIDIC, ORGANIC, N.O.S.(VALERIC ACID), 8, II


Toxicological data
LD 50 oral LD50 rat 1720 mg/kg
LD 50 dermal LD50 rabbit > 2000 mg/kg


Assay (GC, area%) ≥ 98 %
Density (d 20 °C/ 4 °C) 0.938 – 0.940
Identity (IR) passes test