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LC1896 1,2-Epoxybutane
for synthesis


Order number Packaging Quantity Price €
AC28896 Glass bottle 100 ml 11.88
AC28896 Glass bottle 1 l 26.55
AC28896 Glass bottle 2.5 l 59.4


Product information
Synonyms Ethyloxirane, 1,2-Butylene oxide
Hill Formula C4H8O
HS Code 2910 90 00
EC number 203-438-2
Molar mass 72.1 g/mol
EC index number 603-102-00-9
CAS number 106-88-7


Chemical and physical data
Ignition temperature 370 °C
Solubility 59 g/l (20 °C)
Melting point -130 °C
Molar mass 72.1 g/mol
Density 0.83 g/cm3 (20 °C)
pH value 7 (50 g/l, H2O, 20 °C)
Boiling point 63 °C
Vapor pressure 188 hPa (20 °C)
Explosion limit 1.7 – 19 %(V)
Flash point -15 °C
Refractive index 1.3835 (20 °C, 589 nm)


Safety information
R Phrase R 11-20/21/22-36/37/38-40-52/53
Highly flammable.Harmful by inhalation, in contact with skin and if swallowed.Irritating to eyes, respiratory system and skin.Limited evidence of a carcinogenic effect.Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
S Phrase S 9-16-29-36/37-61
Keep container in a well-ventilated place.Keep away from sources of ignition – No smoking.Do not empty into drains.Wear suitable protective clothing and gloves.Avoid release to the environment. Refer to special instructions/ Safety data sheets.
Categories of danger highly flammable, harmful, irritant, carcinogenic, dangerous for the environment
Hazard Symbo



Storage class 3 Flammable Liquids
WGK WGK 2 water endangering
Disposal 3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.


Transport information
Declaration (transport by sea) IMDG-Code UN 3022 1,2-BUTYLENE OXIDE, STABILIZED, 3, II
Declaration (transport by air) IATA-DGR UN 3022 1,2-BUTYLENE OXIDE, STABILIZED, 3, II


Toxicological data
LD 50 oral LD50 rat 500 mg/kg
LD 50 dermal LD50 rabbit 1743 mg/kg


Assay (GC, area%) ≥ 99 %
Density (d 20 °C/ 4 °C) 0.830 – 0.831
Identity (IR) passes test