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LC2429 Ethyl isothiocyanate
for synthesis


Order number Packaging Quantity Price €
AC29429 Glass bottle 100 ml 36.00
AC29429 Glass bottle 500 ml 144.00


Product information
Synonyms Isothiocyanic acid ethyl ester
Hill Formula C3H5NS
HS Code 2930 90 99
EC number 208-831-2
Molar mass 87.15 g/mol
CAS number 542-85-8


Chemical and physical data
Solubility (20 °C) practically insoluble
Melting point -6 °C
Molar mass 87.15 g/mol
Density 1.00 g/cm3 (20 °C)
pH value 6.3 (H2O, 20 °C)
Boiling point 132 °C
Vapor pressure 13 hPa (23 °C)
Flash point 32 °C
Refractive index 1.506 (20 °C, 589 nm)


Safety information
R Phrase R 10-25-37-42-50
Flammable.Toxic if swallowed.Irritating to respiratory system.May cause sensitization by inhalation.Very toxic to aquatic organisms.
S Phrase S 23-37-45-61
Do not breathe vapour.Wear suitable gloves.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 flammable, toxic, irritant, sensitizing, dangerous for the environment
Hazard Symbol

Dangerous for the environment

RTECS NX8590000
Storage class 3 Flammable Liquids
WGK WGK 3 highly water endangering 9
Carcinogenic compounds and flammable compounds labelled “Highly toxic” or “Toxic”: container F. Alkyl sulfates are carcinogenic; Take particular care to avoid inhalation and skin contact. To neutralize alkyl sulfates, add dropwise (from a dropping funnel) to concentrated ice-cool Ammonia solution (Cat.No. 105426) with vigorous stirring. Before placing in container D, check the pH with pH Universal indicator strips (Cat.No. 109535).


Transport information
Declaration (transport by sea) IMDG-Code UN 3080 ISOCYANATES, TOXIC, FLAMMABLE, N.O.S.(ETHYLISOTHIOCYANATE), 6.1 (3), II
Declaration (transport by air) IATA-DGR UN 3080 ISOCYANATES, TOXIC, FLAMMABLE, N.O.S.(ETHYLISOTHIOCYANATE), 6.1 (3), II


Assay (GC, area%) ≥ 95 %
Density (d 20 °C/ 4 °C) 0.998 – 1.001
Identity(IR) passes test



≥ 115 °C