1.01213

Ammonium thiocyanate

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

• Synonym(s): Ammonium thiocyanate, Ammonium sulfocyanide, Ammonium rhodanide, Thiocyanic acid ammonium salt, Ammonium sulfocyanate
• Empirical Formula (Hill Notation): CH₄N₂S
• CAS Number: 1762-95-4
• Molecular Weight: 76.12
• MDL number: MFCD00011428
• UNSPSC Code: 12352301
• EC Index Number: 217-175-6
• NACRES: NA.21

Properties

• 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

Description

Application

• Redox Relay-Induced C-S Radical Cross-Coupling Strategy: This study showcases a novel application of ammonium thiocyanate in organic synthesis, specifically in nontraditional site-selective thiocyanation of quinoxalinones. This method highlights the versatility of ammonium thiocyanate in facilitating complex chemical transformations, useful in pharmaceutical and material science research (Shi et al., 2024).


• Reactant conversion-intercalation strategy toward interlayer-expanded MoS2 microflowers: Ammonium thiocyanate is utilized to enhance the supercapacitor performance of MoS2 microflowers, demonstrating its critical role in developing advanced materials for energy storage technologies. This application underlines the importance of ammonium thiocyanate in the field of material science, particularly in improving the electrochemical properties of nanoscale materials (Wang et al., 2023).


• Valorization and characterization of bio-oil from Salvadora persica seed for air pollutant adsorption: This research explores the environmental applications of ammonium thiocyanate, particularly in the adsorption and mitigation of air pollutants using bio-oil derived from natural sources. The study emphasizes the compound′s utility in environmental testing and pollution control strategies (Azizi et al., 2023).


• Layer-by-layer assembly of CsPbX3 nanocrystals into large-scale homostructures: In this application, ammonium thiocyanate is used in the precise assembly of perovskite nanocrystals, which are pivotal in the development of optoelectronic devices. The compound′s role in facilitating high-precision material assembly processes showcases its importance in cutting-edge scientific research and development (Cirignano et al., 2022).


• Study of MC:DN-Based Biopolymer Blend Electrolytes with Inserted Zn-Metal Complex for Energy Storage Devices with Improved Electrochemical Performance: Ammonium thiocyanate is used here to enhance the properties of biopolymer blend electrolytes, underscoring its significance in the development of high-performance energy storage devices. This application serves the needs of researchers focused on next-generation batteries and supercapacitors (Dannoun et al., 2022).

Linkage

Replaces: AX1415; AX1415-1

Analysis Note

Assay (argentometric): ≥ 99.0 %
Insoluble matter: ≤ 0.005 %
pH-value (5 %; water, 25 °C): 4.5 - 6.0
Chloride (Cl): ≤ 0.005 %
Sulfate (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 sulfate): ≤ 0.025 %
Iodine consuming substances:
≤ 0.02 %
: ≤ 0.004 meq/g
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