1.01143

Ammonium chloride

99.995 Suprapur^®

• Synonym(s): Ammonium chloride, Sal ammoniac
• Empirical Formula (Hill Notation): H₄ClN
• CAS Number: 12125-02-9
• Molecular Weight: 53.49
• MDL number: MFCD00011420
• UNSPSC Code: 12352301
• EC Index Number: 235-186-4
• NACRES: NB.21

Properties

• grade: for inorganic trace analysis
• Quality Level: 100
• vapor pressure: 1.3 hPa ( 30 °C)
• Assay: 99.995%
• form: solid
• autoignition temp.: >400 °C
• potency: 1410 mg/kg LD₅₀, oral (Rat)
• pH: 4.7 (25 °C, 200 g/L in H₂O, External MSDS)
• mp: 338 °C (sublimed; External MSDS)
• density: 1.53 g/cm³ at 25 °C
• bulk density: 600‑900 kg/m³
• storage temp.: 2-30°C
• SMILES string: [Cl-].N.[H+]
• InChI: 1S/ClH.H3N/h1H;1H3
• InChI key: NLXLAEXVIDQMFP-UHFFFAOYSA-N

Description

Application

• Environmental Testing Reagent: Highlighting its role in environmental sciences, ammonium chloride is used as a buffer in the analysis of soil and water samples, helping in the accurate measurement of contaminants and assessment of environmental health (Sharma et al., 2024).


• High Purity Ammonium Chloride for Chemical Synthesis: The high purity grade of ammonium chloride is essential for conducting various chemical syntheses, providing consistency and reliability in reactions essential for research and industrial applications (Zhu et al., 2024).

Analysis Note

Purity (metallic): ≥ 99.995 %
Al (Aluminium): ≤ 0.050 ppm
Ba (Barium): ≤ 5.0 ppm
Ca (Calcium): ≤ 0.50 ppm
Cd (Cadmium): ≤ 0.010 ppm
Co (Cobalt): ≤ 0.010 ppm
Cu (Copper): ≤ 0.010 ppm
Fe (Iron): ≤ 0.10 ppm
K (Potassium): ≤ 5.00 ppm
Li (Lithium): ≤ 0.10 ppm
Mg (Magnesium): ≤ 0.050 ppm
Mn (Manganese): ≤ 0.010 ppm
Na (Sodium): ≤ 1.0 ppm
Ni (Nickel): ≤ 0.010 ppm
Pb (Lead): ≤ 0.010 ppm
Sr (Strontium): ≤ 0.50 ppm
Tl (Thallium): ≤ 0.010 ppm
Zn (Zinc): ≤ 0.010 ppm

Legal Information

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

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H302 - H319
• Precautionary Statements: P264 - P280 - P301 + P312 - P305 + P351 + P338 - P337 + P313 - P501
• Hazard Classifications: Acute Tox. 4 Oral - Eye Irrit. 2
• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable