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Merck
CN

320145

Ammonium hydroxide solution

ACS reagent, 28.0-30.0% NH3 basis

Synonym(s):

Ammonia aqueous, Ammonia water

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About This Item

Linear Formula:
NH4OH
CAS Number:
1336-21-6
Molecular Weight:
35.05
UNSPSC Code:
12352106
PubChem Substance ID:
329753960
eCl@ss:
38060103
MDL number:
MFCD00066650
Beilstein/REAXYS Number:
3587154

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Product Name

Ammonium hydroxide solution, ACS reagent, 28.0-30.0% NH3 basis

InChI

1S/H3N.H2O/h1H3;1H2

SMILES string

[NH4+].[OH-]

InChI key

VHUUQVKOLVNVRT-UHFFFAOYSA-N

grade

ACS reagent

vapor density

1.2 (vs air)

vapor pressure

115 mmHg ( 20 °C)

form

liquid

expl. lim.

27 %

concentration

28.0-30.0% NH3

impurities

MnO4- reducers, passes test
≤0.002% CO2

ign. residue

≤0.002%

density

0.9 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤0.5 ppm
nitrate (NO3-): ≤2 ppm
phosphate (PO43-): ≤2 ppm
sulfate (SO42-): ≤2 ppm

cation traces

Fe: ≤0.2 ppm
heavy metals (as Pb): ≤0.5 ppm

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signalword

Danger

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Corr. 1 - STOT SE 3

target_organs

Respiratory system

Storage Class

8B - Non-combustible corrosive hazardous materials

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

危险化学品
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Certificates of Analysis (COA)

Lot/Batch Number
STBL3803
STBL2237
STBK9802
STBK8141
STBK7753

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Journal of chromatography. A, 1356, 211-220 (2014-07-16)
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