31107

Sigma-Aldrich

Ammonium chloride

puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥99.5%

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

Quality Level

grade

ACS reagent
puriss. p.a.

Agency/Method

USP/NF
reag. ISO
reag. Ph. Eur.

vapor density

1.9 (vs air)

vapor pressure

1 mmHg ( 160.4 °C)

assay

≥99.5%

form

crystalline powder

pH

4.5-5.5 (20 °C, 5%)

mp

340 °C (subl.) (lit.)

anion traces

nitrate (NO3-): ≤5 mg/kg
phosphate (PO43-): ≤2 mg/kg
sulfate (SO42-): ≤20 mg/kg

cation traces

As: ≤0.5 mg/kg
Ca: ≤5 mg/kg
Cu: ≤2 mg/kg
Fe: ≤2 mg/kg
K: ≤50 mg/kg
Mg: ≤5 mg/kg
Na: ≤50 mg/kg
Ni: ≤1 mg/kg
Pb: ≤1 mg/kg
Zn: ≤2 mg/kg
heavy metals: ≤5 ppm (by ICP-OES)

SMILES string

N.Cl

InChI

1S/ClH.H3N/h1H;1H3

InChI key

NLXLAEXVIDQMFP-UHFFFAOYSA-N

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Related Categories

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

hazcat

Acute Tox. 4 Oral - Eye Irrit. 2

storage_class_code

13 - Non Combustible Solids

WGK Germany

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

Certificate of Origin

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