send us an inquiry
LC2640 Diethyl sulfate
for synthesis


Order number Packaging Quantity Price €
AC29640 Glass bottle 100 ml 14.22
AC29640 Glass bottle 1 L 32.40


Product information
Synonyms Sulfuric acid diethyl ester, Ethyl sulfate
Hill Formula C4H10O4S
Chemical formula SO2(OC2H5)2
HS Code 2920 90 10
EC number 200-589-6
Molar mass 154.18 g/mol
EC index number 016-027-00-6
CAS number 64-67-5


Chemical and physical data
Ignition temperature 436 °C
Solubility 7 g/l (20 °C) Hydrolysis
Melting point -25 °C
Molar mass 154.18 g/mol
Density 1.18 g/cm3 (20 °C)
Boiling point 208 °C (1013 hPa) (decomposition)
Vapor pressure 0.25 hPa (20 °C)
Explosion limit 1.8 – 12.2 %(V)
Flash point 113 °C
Refractive index 1.3989 (20 °C, 589 nm)


Safety information according to GHS
Hazard Statement(s) H350: May cause cancer.
H340: May cause genetic defects.
H332: Harmful if inhaled.
H312: Harmful in contact with skin.
H302: Harmful if swallowed.
H314: Causes severe skin burns and eye damage.
Precautionary Statement(s) P201: Obtain special instructions before use.
P271: Use only outdoors or in a well-ventilated area.
P308 + P313: IF exposed or concerned: Get medical advice/attention.
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
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 WS7875000
Storage class 6.1A Combustible substances, toxic
WGK WGK 3 highly water endangering
Disposal 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).


Safety information
R Phrase R 45-46-20/21/22-34
May cause cancer.May cause heritable genetic damage.Also harmful by inhalation, in contact with skin and if swallowed.Causes burns.
S Phrase S 53-45
Avoid exposure – obtain special instructions before use.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
Categories of danger carcinogenic, mutagenic, harmful, corrosive
Hazard Symbol Toxic


Transport information
Declaration (transport by sea) IMDG-Code UN 1594 DIETHYL SULPHATE, 6.1, II
Declaration (transport by air) IATA-DGR UN 1594 DIETHYL SULPHATE, 6.1, II


Toxicological data
LD 50 oral LD50 rat 880 mg/kg
LD 50 dermal LD50 rabbit 944 mg/kg


Assay (GC, area%) ≥ 99 %
Density (d 20 °C/ 4 °C) 1.176 – 1.178
Identity (IR) passes test