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Merck

09718

Ammonium chloride

BioUltra, ≥99.5% (AT)

Synonym(s):

Salmiac

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About This Item

Linear Formula:
NH4Cl
CAS Number:
Molecular Weight:
53.49
PubChem Substance ID:
eCl@ss:
38050207
UNSPSC Code:
12352302
NACRES:
NA.26
EC Number:
235-186-4
MDL number:
Beilstein/REAXYS Number:
4371014
assay:
≥99.5% (AT)
grade:
Molecular Biology
form:
powder or crystals
solubility:
H2O: 1 M at 20 °C, clear, colorless

Product Name

Ammonium chloride, BioUltra, ≥99.5% (AT)

SMILES string

N.Cl
N.Cl

InChI key

NLXLAEXVIDQMFP-UHFFFAOYSA-N

InChI

1S/ClH.H3N/h1H;1H3

grade

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

Quality Level

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pictograms

Exclamation mark

signalword

Warning

hcodes

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2

Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


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