Todas las fotos(4)

326372

Sigma-Aldrich

Ammonium chloride

99.99% trace metals basis

Sinónimos:
Salmiac
Fórmula lineal:
NH4Cl
Número de CAS:
Peso molecular:
53.49
Beilstein:
4371014
Número de EC:
Número MDL:
eCl@ss:
38050207
ID de la sustancia en PubChem:
NACRES:
NA.23

Nivel de calidad

200

densidad de vapor

1.9 (vs air)

presión de vapor

1 mmHg ( 160.4 °C)

ensayo

99.99% trace metals basis

formulario

crystalline

impurezas

≤ 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

¿Está buscando productos similares? Visit Guía de comparación de productos

Descripción general

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.

Envase

25, 100, 500 g in poly bottle

pictogramas

Exclamation mark

Palabra de señalización

Warning

Frases de peligro

Clasificaciones de peligro

Acute Tox. 4 Oral - Eye Irrit. 2

Código de clase de almacenamiento

13 - Non Combustible Solids

WGK

WGK 1

Punto de inflamabilidad F

Not applicable

Punto de inflamabilidad C

Not applicable

Equipo de protección personal

dust mask type N95 (US), Eyeshields, Gloves

Certificado de Análisis

Certificado de origen

Wiberg E, Wiberg N et al.
Inorganic Chemistry, 614-614 (2001)
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)
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)
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
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)

Artículos

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

In this paper, we discuss recent advances in the preparation of various TiO2 porous structures via hard and soft-templating routes. Specifically, we focus on recent developments in TiO2 mesoporous thin films in a combined sol-gel and evaporation-induced self-assembly (EISA) process.

Nuestro equipo de científicos tiene experiencia en todas las áreas de investigación: Ciencias de la vida, Ciencia de los materiales, Síntesis química, Cromatografía, Analítica y muchas otras.

Póngase en contacto con el Servicio técnico