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901230

Sigma-Aldrich

氯化铵

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

同義詞:

氯化铵, 卤砂

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About This Item

線性公式:
NH4Cl
CAS號碼:
分子量::
53.49
Beilstein:
4371014
MDL號碼:
分類程式碼代碼:
12352302
NACRES:
NA.21
化驗:
≥99.5%
等級:
ACS reagent
anhydrous
形狀:
powder or crystals
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等級

ACS reagent
anhydrous

品質等級

agency

suitable for SM 4500 - NH3
suitable for SM 5210

蒸汽密度

1.9 (vs air)

蒸汽壓力

1 mmHg ( 160.4 °C)

產品線

Redi-Dri

化驗

≥99.5%

形狀

powder or crystals

雜質

≤0.005% insolubles

燃燒殘留物

≤0.01%

pH值

4.5-5.5 (25 °C, 5%)

mp

340 °C (subl.) (lit.)

負離子痕跡

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

正離子痕跡

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

SMILES 字串

N.Cl

InChI

1S/ClH.H3N/h1H;1H3

InChI 密鑰

NLXLAEXVIDQMFP-UHFFFAOYSA-N

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一般說明

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。[1]

應用

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。[2][3]它可以用作制备3,4-二氢嘧啶-2-(1H)-酮的催化剂。[4]
无机铵离子(NH4+)可有效地催化羰基化合物的羟醛缩合。[5]在制备三甲胺盐酸盐(TMA·HCl)时,它可用作氮源。[6]

法律資訊

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

象形圖

Exclamation mark

訊號詞

Warning

危險聲明

危險分類

Acute Tox. 4 Oral - Eye Irrit. 2

儲存類別代碼

13 - Non Combustible Solids

水污染物質分類(WGK)

WGK 1

閃點(°F)

Not applicable

閃點(°C)

Not applicable


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Liu X and Quan N.
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Selective Synthesis of Trimethylamine by Catalytic N-Methylation of Ammonia and Ammonium Chloride by utilizing Carbon Dioxide and Molecular Hydrogen.
Beydoun K, et al.
ChemCatChem, 8(1), 135-138 (2016)
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)

文章

Redi-Dri™ prevents hygroscopic powders, such as inorganic salts, from absorbing moisture and forming clumps, leaving the salts free-flowing every time.

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This page is intended to make it easier to find the consumables you need based on the analytical method you’re using. Methods included on this page come from the EPA, Standard Methods and ASTM.

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