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213330

Sigma-Aldrich

氯化铵

ACS reagent, ≥99.5%

同義詞:

卤砂

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About This Item

線性公式:
NH4Cl
CAS號碼:
分子量::
53.49
Beilstein:
4371014
EC號碼:
MDL號碼:
分類程式碼代碼:
12352300
eCl@ss:
38050207
PubChem物質ID:
NACRES:
NA.21

等級

ACS reagent

品質等級

agency

suitable for SM 5210

蒸汽密度

1.9 (vs air)

蒸汽壓力

1 mmHg ( 160.4 °C)

化驗

≥99.5%

形狀

powder, crystals or chunks

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 (NH4Cl) 晶体属于立方晶系统。它可以通过 HCl 与氨水溶液反应合成。NH4Cl 是在苏打溶剂法生产过程中形成的副产物。

應用

氯化铵 (NH 4 Cl) 已被用作各种研究中使用的红细胞 (RBC) 裂解缓冲液的组分之一。 可作为催化剂用于制备 3,4-二氢嘧啶-2-(1 H )-酮。
无机铵离子 (NH4+) 能有效催化羰基化合物的羟醛缩合反应。在三甲胺盐酸盐 (TMA·HCl) 制备过程中作为氮源。

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


分析證明 (COA)

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文章

Acid and base chart lists the strength of acids and bases (strongest to weakest) in order. Simple to use laboratory reference chart for scientists, researchers and lab technicians.

酸和鹼圖表依序列出酸和鹼的強度(從最強到最弱)。簡單易用的實驗室參考圖表,適合科學家、研究人員和實驗室技術人員使用。

相關內容

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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