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LC625 Ammonium thiocyanate

for analysis EMSURE ACS,ISO,Reag. Ph Eur


Order number Packaging Quantity Price €
AC27625 Glass bottle 500 g Inquire
AC27625 Fibre carton 25 kg Inquire


Product information
Grade ACS,ISO,Reag. Ph Eur
Synonyms Ammonium sulfocyanide, Ammonium rhodanide, Thiocyanic acid ammonium salt, Ammonium sulfocyanate
Hill Formula CH4N2S
Chemical formula NH4SCN
HS Code 2842 90 80
EC number 217-175-6
Molar mass 76.11 g/mol
EC index number 615-004-00-3
CAS number 1762-95-4


Chemical and physical data
Solubility 1600 g/l (20 °C)
Melting point 150 °C
Molar mass 76.11 g/mol
Density 1.3 g/cm3 (20 °C)
Bulk density 600 – 700 kg/m3
pH value 4.8 – 5.8 (50 g/l, H2O, 20 °C)
Vapor pressure < - 1 hPa (20 °C)


Safety information according to GHS
R Phrase H302 + H312 + H332: Harmful if swallowed, in contact with skin or if inhaled.
H412: Harmful to aquatic life with long lasting effects.
EUH032: Contact with acids liberates very toxic gas.
Precautionary Statement(s) P273: Avoid release to the environment.
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
Signal Word Warning
Hazard Pictogram(s)


RTECS XK7875000
Storage class 10 – 13 Other liquids and solids
WGK WGK 1 slightly 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.


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


Transport information
Declaration (transport by sea) IMDG-Code No Dangerous Good
Declaration (transport by air) IATA-DGR No Dangerous Good


Toxicological data
LD 50 oral LD50 rat 500 mg/kg


Assay (argentometric) ≥ 99.0 %
Insoluble matter ≤ 0.005 %
pH-value (5 %; water, 25 °C) 4.8 – 5.8
Chloride (Cl) ≤ 0.005 %
Sulphate (SO4) ≤ 0.0025 %
Sulphide (S) ≤ 0.001 %
Heavy metals (as Pb) ≤ 0.0005 %
Cu (Copper) ≤ 0.0004 %
Fe (Iron) ≤ 0.0001 %
Pb (Lead) ≤ 0.0004 %
Residue on ignition (as sulphate) ≤ 0.025 %
Iodine consuming substances ≤ 0.02 %
≤ 0.004 meq/g


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