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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)

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

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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1 of 4

This Item
31107A9434213330
vibrant-m

11209

Ammonium chloride

Essential Grade
vibrant-m

31107

Ammonium chloride

Essential Grade
vibrant-m

A9434

Ammonium chloride

-
vibrant-m

213330

Ammonium chloride

-
Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

200

form

solid

form

crystalline powder

form

powder or crystals

form

powder, crystals or chunks

pH

4.6-6.0 (25 °C, 5%)

pH

4.5-5.5 (20 °C, 5%)

pH

-

pH

4.5-5.5 (25 °C, 5%)

impurities

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

impurities

-

impurities

-

impurities

≤0.005% insolubles

grade

puriss.

grade

-

grade

-

grade

-

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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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)
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
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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