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901230

Sigma-Aldrich

氯化铵

anhydrous, free-flowing, Redi-Dri™, ACS reagent, ≥99.5%

别名:

氯化铵, 卤砂

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About This Item

线性分子式:
NH4Cl
CAS号:
12125-02-9
分子量:
53.49
Beilstein:
4371014
MDL编号:
MFCD00011420
UNSPSC代码:
12352302
NACRES:
NA.21
方案:
≥99.5%
等级:
ACS reagent
anhydrous
表单:
powder or crystals

等级

ACS reagent
anhydrous

质量水平

100

Agency

suitable for SM 4500 - NH3
suitable for SM 5210

蒸汽密度

1.9 (vs air)

蒸汽压

1 mmHg ( 160.4 °C)

产品线

Redi-Dri™

方案

≥99.5%

表单

powder or crystals

杂质

≤0.005% insolubles

灼烧残渣

≤0.01%

pH值（酸碱度）

4.5-5.5 (25 °C, 5%)

mp

340 °C (subl.) (lit.)

痕量阴离子

phosphate (PO43-): ≤2 ppm
sulfate (SO42-): ≤0.002%

痕量阳离子

Ca: ≤0.001%
Fe: ≤2 ppm
Mg: ≤5 ppm
heavy metals: ≤5 ppm (by ICP)

SMILES字符串

N.Cl

InChI

1S/ClH.H3N/h1H;1H3

InChI key

NLXLAEXVIDQMFP-UHFFFAOYSA-N

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一般描述

氯化铵晶体（NH4Cl）属于立方晶系。可以通过HCl与氨水溶液反应来合成。NH4Cl在通过Solvay工艺制造苏打过程中，可作为副产物形成。

应用

氯化铵（NH4C1）已被用作红细胞（RBC）裂解缓冲液的成分之一，可用于多种研究中。它可以用作制备3，4-二氢嘧啶-2-（1H）-酮的催化剂。
无机铵离子（NH4+）可有效地催化羰基化合物的羟醛缩合。在制备三甲胺盐酸盐（TMA·HCl）时，它可用作氮源。

法律信息

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

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象形图

Exclamation mark
GHS07

警示用语：

Warning

危险声明

H302,H319

危险分类

Acute Tox. 4 Oral - Eye Irrit. 2

储存分类代码

13 - Non Combustible Solids

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable

从最新的版本中选择一种：

分析证书(COA)

Lot/Batch Number
MKCW0593
MKCV4598
MKCV1009
MKCW0594
MKCT5765

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ChemCatChem, 8(1), 135-138 (2016)
Mark E Kusek et al.
Journal of visualized experiments : JoVE, (83)(83), e50823-e50823 (2014-01-17)
Mucosal surfaces serve as protective barriers against pathogenic organisms. Innate immune responses are activated upon sensing pathogen leading to the infiltration of tissues with migrating inflammatory cells, primarily neutrophils. This process has the potential to be destructive to tissues if
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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
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Shaabani A, et al
Tetrahedron Letters, 44, 857-859 (2003)

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