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Merck
CN

901230

氯化铵

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

别名:

氯化铵, 卤砂

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线性分子式:
NH4Cl
化学文摘社编号:
12125-02-9
分子量:
53.49
NACRES:
NA.21
UNSPSC Code:
12352302
Beilstein/REAXYS Number:
4371014
MDL number:
MFCD00011420
Assay:
≥99.5%
Grade:
ACS reagent
anhydrous
Form:
powder or crystals

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产品名称

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

SMILES string

N.Cl

InChI

1S/ClH.H3N/h1H;1H3

InChI key

NLXLAEXVIDQMFP-UHFFFAOYSA-N

grade

ACS reagent
anhydrous

agency

suitable for SM 4500 - NH3
suitable for SM 5210

vapor density

1.9 (vs air)

vapor pressure

1 mmHg ( 160.4 °C)

product line

Redi-Dri™

assay

≥99.5%

form

powder or crystals

impurities

≤0.005% insolubles

ign. residue

≤0.01%

pH

4.5-5.5 (25 °C, 5%)

mp

340 °C (subl.) (lit.)

anion traces

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

cation traces

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

Quality Level

100

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Application

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。

General description

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。

Legal Information

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

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H302,H319

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2

存储类别

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
MKCX5980
MKCW0593
MKCV4598
MKCV1009
MKCW0594

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商品

Redi-Dri™ – The World of Free-flowing Hygroscopic Products

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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