1.05124

Potassium thiocyanate

EMPLURA^®

• Synonym(s): Potassium thiocyanate, Potassium sulfocyanide
• Empirical Formula (Hill Notation): CKNS
• CAS Number: 333-20-0
• Molecular Weight: 97.18
• MDL number: MFCD00011413
• EC Index Number: 206-370-1

Properties

• vapor pressure: <0.001 hPa ( 20 °C)
• Quality Level: 200
• product line: Emplura^®
• Assay: ≥98.0% (silver nitrate titration)
• form: crystalline
• potency: 854 mg/kg LD₅₀, oral (Rat)
• pH: 5.3-8.5 (20 °C, 50 g/L in H₂O)
• bp: >400 °C/1013 hPa (decomposition)
• mp: 177 °C
• solubility: >1000 g/L
• density: 1.91 g/cm³ at 20 °C
• bulk density: 750‑1000 kg/m³
• anion traces: chloride (Cl^-): ≤0.01%; sulfate (SO₄^2-): ≤0.05%
• cation traces: Fe: ≤0.0005%; heavy metals (as Pb): ≤0.001%
• storage temp.: 2-30°C
• InChI: 1S/CHNS.K/c2-1-3;/h3H;/q;+1/p-1
• InChI key: ZNNZYHKDIALBAK-UHFFFAOYSA-M

Description

Analysis Note

Assay (argentometric): ≥ 98.0 %
Identity: passes test
Chloride (Cl): ≤ 0.01 %
Sulfate (SO₄): ≤ 0.05 %
Heavy metals (as Pb): ≤ 0.001 %
Fe (Iron): ≤ 0.0005 %

Legal Information

EMPLURA is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Pictograms: GHS05,GHS07
• Signal Word: Danger
• Hazard Statements: H302 + H312 + H332 - H318 - H412
• Precautionary Statements: P273 - P280 - P301 + P312 - P302 + P352 + P312 - P304 + P340 + P312 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Dam. 1
• Supplementary Hazards: EUH032
• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable