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LC5143 Propionic anhydride
for synthesis


Order number Packaging Quantity Price €
AC32143 Plastic bottle 100 l 11.88
AC32143 Plastic bottle 500 l 17.19
AC32143 Glass bottle 1 l 29.025


Product information
Hill Formula C6H10O3
HS Code 2915 90 00
EC number 204-638-2
Molar mass 130.14 g/mol
EC index number 607-010-00-X
CAS number 123-62-6


Chemical and physical data
Ignition temperature 285 °C
Solubility (20 °C) (decomposition)
Melting point -45 °C
Molar mass 130.14 g/mol
Density 1.01 g/cm3 (20 °C)
pH value 2.5 (100 g/l, H2O, 20 °C) (calculated on the free acid)
Boiling point 167 °C (1013 hPa)
Vapor pressure 1 hPa (20 °C)
Explosion limit 1.3 – 9.5 %(V)
Flash point 63 °C
Refractive index 1.404 (20 °C, 589 nm)


Safety information according to GHS
Hazard Statement(s) H314: Causes severe skin burns and eye damage.
Precautionary Statement(s) 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 UF9100000
Storage class 8 A Combustible substances, corrosive
WGK WGK 1 slightly water endangering
Disposal 11
Organic acid halides, anhydrides and isocyanates can be added dropwise to an excess of methanol (Cat. No. 822283) to convert them into the corresponding methyl esters or methyl carbamates. If necessary, neutralize with sodium hydroxide solution (Cat. No. 105587). Fill into container A.


Safety information
R Phrase R 34
Causes burns.
S Phrase S 26-45
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
Categories of danger corrosive
Hazard Symbol Corrosive


Transport information
Declaration (transport by sea) IMDG-Code UN 2496 PROPIONIC ANHYDRIDE, 8, III, Segregation Group: 1 (Acids)
Declaration (transport by air) IATA-DGR UN 2496 PROPIONIC ANHYDRIDE, 8, III


Toxicological data
LD 50 oral LD50 rat 2360 mg/kg
LD 50 dermal LD50 rabbit 10000 mg/kg


Assay(GC, area%) ≥ 98 %
Density (d 20 °C/ 4 °C) 1.009 – 1.011
Identity (IR) passes test