Skip to Content
Merck
All Photos(4)

Documents

326372

Sigma-Aldrich

Ammonium chloride

99.99% trace metals basis

Synonym(s):

Salmiac

Sign Into View Organizational & Contract Pricing
All Photos(4)

About This Item

Linear Formula:
NH4Cl
CAS Number:
12125-02-9
Molecular Weight:
53.49
Beilstein:
4371014
EC Number:
235-186-4
MDL number:
MFCD00011420
UNSPSC Code:
12352302
eCl@ss:
38050207
PubChem Substance ID:
24859583
NACRES:
NA.23

vapor density

1.9 (vs air)

vapor pressure

1 mmHg ( 160.4 °C)

Assay

99.99% trace metals basis

form

crystalline

impurities

≤150.0 ppm Trace Metal Analysis

mp

340 °C (subl.) (lit.)

SMILES string

N.Cl

InChI

1S/ClH.H3N/h1H;1H3

InChI key

NLXLAEXVIDQMFP-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

General description

NH4Cl is highly corrosive, colorless salt which dissolves readily in water. It crystallizes out of aqueous solution in octahedrons, in a feathery array, forming a fibrous mass of crystals. It sublimes at 340oC. Ammonium chloride acts as catalyst in one-pot,Biginelli condensation reactions of aldehydes, 1,3-dicarbonyl compounds and urea or thiourea. Inorganic ammonium ions, NH4+, have been reported as efficient catalysts for the aldol condensation of carbonyl compounds.NH4Cl has been reportedly used to enhance the hydrolysis rate and decrease the activation energy of magnesium hydride during hydrogen generation.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302,H319

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

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

Hydrogen generation by hydrolysis of MgH2 and enhanced kinetics performance of ammonium chloride introducing
Huang M, et al.
International Journal of Hydrogen Energy, 40(18), 6145-6150 (2015)
Wiberg E, Wiberg N et al.
Inorganic Chemistry, 614-614 (2001)
Ammonium chloride-catalyzed one-pot synthesis of 3,4-dihydropyrimidin-2-(1H)-ones under solvent-free conditions.
Shaabani A, et al.
Tetrahedron Letters, 44(4), 857-859 (2003)
Ammonium chloride-catalyzed one-pot synthesis of 3,4-dihydropyrimidin-2-(1H)-ones under solvent-free conditions
Shaabani A, et al
Tetrahedron Letters, 44, 857-859 (2003)
Barbara Nozière et al.
Physical chemistry chemical physics : PCCP, 12(15), 3864-3872 (2010-04-02)
In natural environments such as atmospheric aerosols, organic compounds coexist with inorganic salts but, until recently, were not thought to interact chemically. We have recently shown that inorganic ammonium ions, NH(4)(+), act as catalysts for acetal formation from glyoxal, a
View All Related Papers

Articles

Aldol Condensation Reaction

The aldol condensation reaction is an organic reaction introduced by Charles Wurtz, who first prepared the β-hydroxy aldehyde from acetaldehdye in 1872.

A Review of Mesoporous TiO2 Thin Films

A Review of Mesoporous TiO2 Thin Films

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