901230
Ammonium chloride
anhydrous, free-flowing, Redi-Dri™, ACS reagent, ≥99.5%
Synonym(s):
Salmiac
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About This Item
Linear Formula:
NH4Cl
CAS Number:
Molecular Weight:
53.49
NACRES:
NA.21
UNSPSC Code:
12352302
Beilstein/REAXYS Number:
4371014
MDL number:
Assay:
≥99.5%
Grade:
ACS reagent, anhydrous
Form:
powder or crystals
Quality Level
grade
ACS reagent, anhydrous
agency
suitable for SM 4500 - NH3, suitable for SM 5210
vapor density
1.9 (vs air)
vapor pressure
1 mmHg ( 160.4 °C)
product line
Redi-Dri™
assay
≥99.5%
form
powder or crystals
impurities
≤0.005% insolubles
ign. residue
≤0.01%
pH
4.5-5.5 (25 °C, 5%)
mp
340 °C (subl.) (lit.)
anion traces
phosphate (PO43-): ≤2 ppm, sulfate (SO42-): ≤0.002%
cation traces
Ca: ≤0.001%, Fe: ≤2 ppm, Mg: ≤5 ppm, heavy metals: ≤5 ppm (by ICP)
SMILES string
N.Cl
InChI
1S/ClH.H3N/h1H;1H3
InChI key
NLXLAEXVIDQMFP-UHFFFAOYSA-N
General description
Crystals of ammonium chloride (NH4Cl) belong to the cubic crystal system. It can be synthesized by reacting HCl with aqueous ammonia solutions. NH4Cl is formed as a by-product during soda manufactured by Solvay process.
Application
Ammonium chloride (NH4Cl) has been used as one of the components of red blood cell (RBC) lysis buffer for use in various studies. It may be used as a catalyst in the preparation 3,4-dihydropyrimidin-2-(1H)-ones.
Inorganic ammonium ions (NH4+) effectively catalyze the aldol condensation of carbonyl compounds. It serves as a source of nitrogen during the preparation of trimethylamine hydrochloride (TMA·HCl).
Inorganic ammonium ions (NH4+) effectively catalyze the aldol condensation of carbonyl compounds. It serves as a source of nitrogen during the preparation of trimethylamine hydrochloride (TMA·HCl).
Legal Information
Redi-Dri is a trademark of Sigma-Aldrich Co. LLC
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signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Eye Irrit. 2
Storage Class
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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Mark E Kusek et al.
Journal of visualized experiments : JoVE, (83)(83), e50823-e50823 (2014-01-17)
Mucosal surfaces serve as protective barriers against pathogenic organisms. Innate immune responses are activated upon sensing pathogen leading to the infiltration of tissues with migrating inflammatory cells, primarily neutrophils. This process has the potential to be destructive to tissues if
Selective Synthesis of Trimethylamine by Catalytic N-Methylation of Ammonia and Ammonium Chloride by utilizing Carbon Dioxide and Molecular Hydrogen.
Beydoun K, et al.
ChemCatChem, 8(1), 135-138 (2016)
Immune Cell Isolation from Mouse Femur Bone Marrow.
Liu X and Quan N.
Bio-protocol, 5(20) (2015)