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09718

Sigma-Aldrich

Ammonium chloride

BioUltra, for molecular biology, ≥99.5% (AT)

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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.26

grade

for molecular biology

vapor density

1.9 (vs air)

vapor pressure

1 mmHg ( 160.4 °C)

product line

BioUltra

Assay

≥99.5% (AT)

form

powder or crystals

impurities

DNases, none detected
RNases, none detected
insoluble matter, passes filter test
phosphatases, none detected
proteases, none detected

pH

4.5-5.5 (25 °C, 1 M in H2O)

mp

340 °C (subl.) (lit.)

solubility

H2O: 1 M at 20 °C, clear, colorless

anion traces

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

cation traces

Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤2 mg/kg
Fe: ≤2 mg/kg
K: ≤50 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤50 mg/kg
Ni: ≤1 mg/kg
Pb: ≤1 mg/kg
Sr: ≤5 mg/kg
Zn: ≤2 mg/kg

λ

1 M in H2O

UV absorption

λ: 260 nm Amax: ≤0.021
λ: 280 nm Amax: ≤0.019

SMILES string

N.Cl

InChI

1S/ClH.H3N/h1H;1H3

InChI key

NLXLAEXVIDQMFP-UHFFFAOYSA-N

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This Item
A94343110711209
Ammonium chloride BioUltra, for molecular biology, ≥99.5% (AT)

Sigma-Aldrich

09718

Ammonium chloride

Premium Grade
Ammonium chloride for molecular biology, suitable for cell culture, ≥99.5%

Sigma-Aldrich

A9434

Ammonium chloride

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

Sigma-Aldrich

31107

Ammonium chloride

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

Sigma-Aldrich

11209

Ammonium chloride

Essential Grade
vapor pressure

1 mmHg ( 160.4 °C)

vapor pressure

1 mmHg ( 160.4 °C)

vapor pressure

1 mmHg ( 160.4 °C)

vapor pressure

1 mmHg ( 160.4 °C)

assay

≥99.5% (AT)

assay

≥99.5%

assay

≥99.5%

assay

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

form

powder or crystals

form

powder or crystals

form

crystalline powder

form

solid

impurities

DNases, none detected, RNases, none detected, insoluble matter, passes filter test, phosphatases, none detected, proteases, none detected

impurities

-

impurities

-

impurities

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

pH

4.5-5.5 (25 °C, 1 M in H2O)

pH

-

pH

4.5-5.5 (20 °C, 5%)

pH

4.6-6.0 (25 °C, 5%)

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

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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