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Merck
CN

60519

Potassium thiocyanate

puriss. p.a., ACS reagent, ≥99.0% (AT)

Synonym(s):

Potassium rhodanide

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About This Item

Linear Formula:
KSCN
CAS Number:
Molecular Weight:
97.18
EC Number:
206-370-1
UNSPSC Code:
12352300
PubChem Substance ID:
Beilstein/REAXYS Number:
3594799
MDL number:
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InChI key

ZNNZYHKDIALBAK-UHFFFAOYSA-M

InChI

1S/CHNS.K/c2-1-3;/h3H;/q;+1/p-1

SMILES string

[K]SC#N

grade

ACS reagent, puriss. p.a.

assay

≥99.0% (AT)

pH

5.3-8.7 (25 °C, 50 mg/mL in H2O)

mp

173 °C (lit.)

anion traces

chloride (Cl-): ≤50 mg/kg, sulfate (SO42-): ≤20 mg/kg

cation traces

Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤2 mg/kg, Fe: ≤1 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, NH4+: ≤30 mg/kg, Na: ≤50 mg/kg, Ni: ≤5 mg/kg, Pb: ≤2 mg/kg, Zn: ≤5 mg/kg

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pictograms

CorrosionExclamation mark

signalword

Danger

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Dam. 1

supp_hazards

Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Influence of initial emulsifier type on microstructural changes occurring in emulsified lipids during in vitro digestion.
Hur SJ, et al.
Food Chemistry, 114(1), 253-262 (2009)
Regioselective ring-opening of aziridines with potassium thiocyanate and thiols using sulfated zirconia as a heterogeneous recyclable catalyst.
Das B, et al.
Tetrahedron Letters, 47(5), 779-782 (2006)
The Phase Transition of Crystalline Potassium Thiocyanate, KSCN. II. X-Ray Study.
Yamada Y and Watanabe T.
Bulletin of the Chemical Society of Japan, 36(8), 1032-1037 (1963)
Polarized infrared spectrum of potassium thiocyanate.
Jones LH.
J. Chem. Phys. , 28(6), 1234-1236 (1958)
Hongtao Bian et al.
The journal of physical chemistry. B, 116(49), 14426-14432 (2012-11-28)
Microscopic structures and dynamics of aqueous salt solutions were investigated with the ultrafast vibrational energy exchange method and anisotropy measurements. In KSCN aqueous solutions of various concentrations, the rotational time constants of SCN(-) anions are proportional to the viscosities of

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