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LC2121 Di-tert-butyl dicarbonate
for synthesis


Order number Packaging Quantity Price €
AC29121 Glass bottle 25 ml 18.45
AC29121 Glass bottle 100 ml 64.80
AC29121 Glass bottle 500 ml 282.60


Product information
Hill Formula C10H18O5
HS Code 2920 90 10
EC number 246-240-1
Molar mass 218.25 g/mol
CAS number 24424-99-5


Chemical and physical data
Ignition temperature 460 °C
Solubility (20 °C) insoluble
Melting point 20 – 23 °C
Molar mass 218.25 g/mol
Density 1.02 g/cm3 (20 °C)
Boiling point 56 – 57 °C (0.7 hPa)
Flash point 37 °C


Safety information according to GHS
Hazard Statement(s) H226: Flammable liquid and vapour.
H330: Fatal if inhaled.
H315: Causes skin irritation.
H319: Causes serious eye irritation.
H317: May cause an allergic skin reaction.
Precautionary Statement(s) P210: Keep away from heat/sparks/open flames/hot surfaces. – No smoking.
P280: Wear protective gloves.
P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
Signal Word Danger
Hazard Pictogram(s)
RTECS HT0230000
Storage class 3 Flammable Liquids
WGK WGK 2 water endangering


Safety information
R Phrase R 10-26-36/38-43
Flammable.Very toxic by inhalation.Irritating to eyes and skin.May cause sensitization by skin contact.
S Phrase S 28-36/37-45
After contact with skin, wash immediately with plenty of water.Wear suitable protective clothing and gloves.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
Categories of danger flammable, very toxic, irritant, sensitizing
Hazard Symbol


Transport information
Declaration (transport by sea) IMDG-Code UN 2929 TOXIC LIQUID, FLAMMABLE, ORGANIC, N.O.S.(DI-TERT-BUTYLDICARBONATE), 6.1 (3), II


Toxicological data
LD 50 oral LD50 rat > 5000 mg/kg
LD 50 dermal LD50 rabbit > 2000 mg/kg


Assay (GC, area%) ≥ 98 %
Melting range
– lower value
≥ 20 °C
– upper value ≤ 23 °C
Identity (IR) passes test