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11209

Sigma-Aldrich

Ammonium chloride

puriss., meets analytical specification of Ph. Eur., BP, USP, FCC, 99.5-100.5% (calc. to the dried substance)

Synonym(s):
Salmiac
Linear Formula:
NH4Cl
CAS Number:
Molecular Weight:
53.49
Beilstein:
4371014
EC Number:
MDL number:
eCl@ss:
38050207
PubChem Substance ID:
NACRES:
NA.21

Quality Level

vapor density

1.9 (vs air)

vapor pressure

1 mmHg ( 160.4 °C)

grade

puriss.

assay

99.5-100.5% (calc. to the dried substance)

form

solid

quality

meets analytical specification of Ph. Eur., BP, USP, FCC

impurities

acidity or alkalinity, complies
residual solvents, complies
thiocyanate (SCN), complies

ign. residue

≤0.1% (as SO4)

loss

≤0.5% loss on drying, 105 °C

pH

4.6-6.0 (25 °C, 5%)

mp

340 °C (subl.) (lit.)

anion traces

bromide (Br-): in accordance
iodide (I-): in accordance
sulfate (SO42-): ≤100 mg/kg

cation traces

As: ≤3 mg/kg
Ca: ≤100 mg/kg
Cu: ≤20 mg/kg
Fe: ≤20 mg/kg
Mg: ≤10 mg/kg
Pb: ≤4 mg/kg
Zn: ≤20 mg/kg

suitability

complies for appearance of solution

SMILES string

N.Cl

InChI

1S/ClH.H3N/h1H;1H3

InChI key

NLXLAEXVIDQMFP-UHFFFAOYSA-N

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Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

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

Certificate of Analysis

Certificate of Origin

Neutron diffraction study of the crystal structure of ammonium chloride.
Levy, Henri A., and S. W. Peterson.
Physical Review, 86(5), 766-766 (1952)
Barbara Nozière et al.
Physical chemistry chemical physics : PCCP, 12(15), 3864-3872 (2010-04-02)
In natural environments such as atmospheric aerosols, organic compounds coexist with inorganic salts but, until recently, were not thought to interact chemically. We have recently shown that inorganic ammonium ions, NH(4)(+), act as catalysts for acetal formation from glyoxal, a...
The Vibrational Spectra of Molecules and Complex Ions in Crystals III. Ammonium Chloride and Deutero-Ammonium Chloride.
Wagner EL and Hornig DF.
J. Chem. Phys. , 18(3), 296-304 (1950)
Ammonium chloride-catalyzed one-pot synthesis of 3,4-dihydropyrimidin-2-(1H)-ones under solvent-free conditions
Shaabani A, et al
Tetrahedron Letters, 44, 857-859 (2003)
Cyrill A Rentsch et al.
European urology, 66(4), 677-688 (2014-03-29)
Whether the commonly used bacillus Calmette-Guérin (BCG) strains Connaught and Tice confer different treatment responses in non-muscle-invasive bladder cancer (NMIBC) is unknown. To compare clinical efficacy, immunogenicity, and genetics of BCG Connaught and Tice. A prospective randomized single-institution trial with...

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