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LC2645 N,N’-Diethylthiourea
for synthesis


Order number Packaging Quantity Price €
AC29645 Plastic bottle 250 g 14.22


Product information
Synonyms 1,3-Diethylthiourea
Hill Formula C5H12N2S
Chemical formula (C2H5NH)2CS
HS Code 2930 90 99
EC number 203-308-5
Molar mass 132.22 g/mol
CAS number 105-55-5


Chemical and physical data
Solubility 38 g/l (20 °C)
Melting point 75 – 78 °C
Molar mass 132.22 g/mol
Density 1.12 g/cm3 (20 °C)
Bulk density 735 kg/m3
pH value 7 (38 g/l, H2O, 20 °C)
Flash point 186 °C


Safety information
R Phrase R 22-40-41-43
Harmful if swallowed.Limited evidence of a carcinogenic effect.Risk of serious damage to eyes.May cause sensitization by skin contact.
S Phrase S 22-26-36/37/39
Do not breathe dust.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, gloves and eye/face protection.
Categories of danger harmful, carcinogenic, irritant, sensitizing
Hazard Symbol Harmful
Storage class 10 – 13 Other liquids and solids
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.


Toxicological data
LD 50 oral LD50 rat 316 mg/kg


Assay (HPLC, area%) ≥ 98 %
Melting range
– lower value
≥ 75 °C
– upper value ≤ 78 °C
Identity (IR) passes test