Skip to Content
Merck
All Photos(1)

Key Documents

View All Documentation

05002

Sigma-Aldrich

Ammonium hydroxide solution

puriss., 30-33% NH3 in H2O

Synonym(s):

Ammonia aqueous, Ammonia water

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Linear Formula:
NH4OH
CAS Number:
1336-21-6
Molecular Weight:
35.05
Beilstein:
3587154
MDL number:
MFCD00066650
UNSPSC Code:
12352106
PubChem Substance ID:
329748001
NACRES:
NA.21

grade

puriss.

form

liquid

expl. lim.

27 %

concentration

30-33% NH3 in H2O

impurities

≤0.0003% heavy metals (as Pb)
≤0.002% non-volatile matter

pH

11.7 (20 °C)

density

0.9 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤2 mg/kg
sulfate (SO42-): ≤20 mg/kg

cation traces

Fe: ≤1 mg/kg

storage temp.

2-8°C

SMILES string

[NH4+].[OH-]

InChI

1S/H3N.H2O/h1H3;1H2

InChI key

VHUUQVKOLVNVRT-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Other Notes

The article number 05002-4X2.5L will be discontinued. Please order the single bottle 05002-2.5L which is physically identical with the same exact specifications.
The article number 05003-4X2.5L will be discontinued. Please order the single bottle 05003-2.5L which is physically identical with the same exact specifications.
The article number 05003-4X5L will be discontinued. Please order the single bottle 05003-5L which is physically identical with the same exact specifications.
The article number 05003-6X1L will be discontinued. Please order the single bottle 05003-1L which is physically identical with the same exact specifications.

Signal Word

Danger

Hazard Statements

H314,H335,H410

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class Code

8B - Non-combustible corrosive hazardous materials

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

[Ketamine (Ketalar), a clinical and pharmacological study].
J Rioux
Annales de l'anesthesiologie francaise, 16(2), 1E-7E (1975-03-01)
Synchrotron photoemission spectroscopy study of ammonium hydroxide etching to prepare well-ordered GaAs (100) surfaces.
Lebedev MV, et al.
Applied Surface Science, 229(1), 226-232 (2004)
Claudia M Gómez-Gutiérrez et al.
Scanning, 37(6), 389-392 (2015-05-27)
In this work, the influence of substrate on the morphology of ZnS thin films by chemical bath deposition is studied. The materials used were zinc acetate, tri-sodium citrate, thiourea, and ammonium hydroxide/ammonium chloride solution. The growth of ZnS thin films
Silver electrocrystallization on vitreous carbon from ammonium hydroxide solutions.
Palomar-Pardave M, et al.
Journal of the Electrochemical Society, 143(5), 1551-1558 (1996)
Seyedeh Parinaz Akhlaghi et al.
Carbohydrate research, 409, 48-55 (2015-05-02)
A simple protocol was used to prepare amine functionalized cellulose nanocrystals (CNC-NH2). In the first step, epichlorohydrin (EPH) was reacted with ammonium hydroxide to produce 2-hydroxy-3-chloro propylamine (HCPA). In the next step, HCPA was grafted to CNC using the etherification
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service