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Merck
CN

11209

Ammonium chloride

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

Synonym(s):

Salmiac

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About This Item

Linear Formula:
NH4Cl
CAS Number:
Molecular Weight:
53.49
NACRES:
NA.21
PubChem Substance ID:
eCl@ss:
38050207
UNSPSC Code:
12352300
EC Number:
235-186-4
MDL number:
Beilstein/REAXYS Number:
4371014
Assay:
99.5-100.5% (calc. to the dried substance)
Form:
solid
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vapor density

1.9 (vs air)

Quality Level

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

signalword

Warning

hcodes

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2

flash_point_f

Not applicable

flash_point_c

Not applicable

Storage Class

11 - Combustible Solids



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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)
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)
Neutron diffraction study of the crystal structure of ammonium chloride.
Levy, Henri A., and S. W. Peterson.
Physical Review, 86(5), 766-766 (1952)



Global Trade Item Number

SKUGTIN
245011-1G04061825772424
245011-50G04061833410615
245011-5G04061825772431
11209-1KG04061826723241
11209-2.5KG04061833635995
11209-6X1KG04061833636008