1.05125

Potassium thiocyanate

for analysis EMSURE^® ACS,ISO,Reag. Ph Eur

• 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

• grade: ACS reagent
• Quality Level: 300
• Agency: reag. ISO; reag. Ph. Eur.
• vapor pressure: <0.001 hPa ( 20 °C)
• product line: EMSURE^®
• assay: ≥99.0% (silver nitrate titration)
• form: crystalline
• potency: 854 mg/kg LD₅₀, oral (Rat)
• impurities: ≤0.003% Insoluble matter; ≤0.025% Iodine consuming substances
• pH: 5.3-8.5 (20 °C, 50 g/L in H₂O)
• bp: >400 °C/1013 hPa (decomposition)
• mp: 177 °C
• density: 1.91 g/cm³ at 20 °C
• bulk density: 750‑1000 kg/m³
• anion traces: chloride (Cl^-): ≤0.005%; sulfate (SO₄^2-): ≤0.002%; sulfide (S^2-): ≤0.001%
• cation traces: Cu: ≤0.0002%; Fe: ≤0.0001%; NH₄⁺: ≤0.002%; Na: ≤0.005%; Pb: ≤0.0002%; heavy metals (as Pb): ≤0.0005%
• storage temp.: 2-30°C
• InChI: 1S/CHNS.K/c2-1-3;/h3H;/q;+1/p-1
• InChI key: ZNNZYHKDIALBAK-UHFFFAOYSA-M

Description

Packaging

250, 250 g

1 kg in Plastic bottle

50 kg in Fibre carton

Linkage

Replaces: PX1630; PX1630-20; PX1630-1

Analysis Note

Assay (argentometric): ≥ 99.0 %
Insoluble matter: ≤ 0.003 %
pH-value (5 %; water, 25 °C): 5.3 - 8.5
Chloride (Cl): ≤ 0.005 %
Sulfate (SO₄): ≤ 0.002 %
Sulphide (S): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.0005 %
Cu (Copper): ≤ 0.0002 %
Fe (Iron): ≤ 0.0001 %
Na (Sodium): ≤ 0.005 %
NH₄ (Ammonium): ≤ 0.002 %
Pb (Lead): ≤ 0.0002 %
Iodine consuming substances: ≤ 0.025 %
Corresponds to ACS,ISO,Reag. Ph Eur

Legal Information

EMSURE 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