Ammonium thiocyanate

grade

ACS reagent

Quality Level

300

Agency

reag. ISO
reag. Ph. Eur.

vapor pressure

<1 hPa ( 20 °C)

product line

EMSURE^®

Assay

≥99.0% (silver nitrate titration)

form

solid

potency

500 mg/kg LD₅₀ oral (Rat)

impurities

≤0.005% Insoluble matter
≤0.02% Iodine consuming substances

ign. residue

≤0.025% (as sulfate)

pH

4.5-6.0 (20 °C 50 g/L in H₂O)

mp

151 °C

solubility

1600 g/L

density

1.3 g/cm³ at 20 °C

bulk density

600‑700 kg/m³

anion traces

chloride (Cl^–): ≤0.005%
sulfate (SO₄^2-): ≤0.0025%
sulfide (S^2-): ≤0.001%

cation traces

Cu: ≤0.0004%
Fe: ≤0.0001%
Pb: ≤0.0004%
heavy metals (as Pb): ≤0.0005%

storage temp.

2-30°C

InChI

1S/CHNS.H3N/c2-1-3;/h3H;1H3

InChI key

SOIFLUNRINLCBN-UHFFFAOYSA-N