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LC2864 Guanidinium thiocyanate

for synthesis


Order number Packaging Quantity Price €
AC29864 Plastic bottle 250 g 41.85
AC29864 Plastic bottle 1 kg 146.7


Product information
Hill Formula C2H6N4S
Chemical formula H2NC(NH)NH2 * HSCN
HS Code 2925 29 00
EC number 209-812-1
Molar mass 118.15 g/mol
EC index number 615-004-00-3
CAS number 593-84-0


Chemical and physical data
Solubility 1420 g/l (20 °C)
Melting point 118 °C
Molar mass 118.15 g/mol
Density 1.29 g/cm3 (20 °C)
Bulk density 630 kg/m3
pH value 4.8 – 6.0 (1420 g/l, H2O, 20 °C) (saturated solution)


Safety information
R Phrase R 20/21/22-32-52/53
Harmful by inhalation, in contact with skin and if swallowed.Contact with acids liberates very toxic gas.Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
S Phrase S 13-61
Keep away from food, drink and animal feedingstuffs.Avoid release to the environment. Refer to special instructions/ Safety data sheets.
Categories of danger harmful, dangerous for the environment
Hazard Symbol Harmful
RTECS XL1225000
Storage class 8 A Combustible substances, corrosive
WGK WGK 2 water endangering
Disposal 6
Sulfides and sulfites as well as other reducing substances, inorganic cyanides and isonitriles: Stir into sodium hypochlorite solution (Cat. No. 105614) and, if necessary, leave to react for several days. Caution: some substances may show a violent reaction! Draw off any toxic or flammable gases that may be formed. Excess oxidant should be neutralized with sodium thiosulfate (Cat. No. 106513). Container D or E.


Transport information
Declaration (transport by sea) IMDG-Code UN 1759 CORROSIVE SOLID, N.O.S.(GUANIDINIUM THIOCYANATE), 8, III
Declaration (transport by air) IATA-DGR UN 1759 CORROSIVE SOLID, N.O.S.(GUANIDINIUM THIOCYANATE), 8, III


Assay (argentometric) ≥ 98 %
Melting range
– lower value
≥ 115 °C
– upper value ≤ 120 °C
Identity (IR) passes test