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Merck
CN

A6899

Ammonium hydroxide solution

ACS reagent

Synonym(s):

Ammonia aqueous, Ammonia water

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About This Item

Linear Formula:
NH4OH
CAS Number:
Molecular Weight:
35.05
UNSPSC Code:
12352106
Beilstein/REAXYS Number:
3587154
MDL number:
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grade

ACS reagent

composition

NH3, 28.0-30.0%

expl. lim.

27 %

impurities

Substances reducing permanganate, passes test, ≤0.002% Carbon dioxide (CO2)

ign. residue

≤0.002%

color

clear colorless

density

0.9 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤0.5 ppm, nitrate (NO3-): ≤2 ppm, phosphate (PO43-): ≤2 ppm, sulfur compounds (as SO42-): ≤2 ppm

cation traces

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

SMILES string

[NH4+].[OH-]

InChI

1S/H3N.H2O/h1H3;1H2

InChI key

VHUUQVKOLVNVRT-UHFFFAOYSA-N



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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

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter



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