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Merck

215996

Sigma-Aldrich

磷酸铵 二元

ACS reagent, ≥98%

别名:

磷酸二铵, 磷酸氢二铵, 磷酸氢铵

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About This Item

线性分子式:
(NH4)2HPO4
CAS号:
分子量:
132.06
EC號碼:
MDL號碼:
分類程式碼代碼:
12352300
PubChem物質ID:
NACRES:
NA.21

等級

ACS reagent

品質等級

化驗

≥98%

形狀

crystals or chunks
powder

雜質

≤0.005% NH4OH pptd.
≤0.005% insolubles

pH值

7.7-8.1 (25 °C, 5%)

mp

155 °C (dec.) (lit.)

負離子痕跡

chloride (Cl-): ≤0.001%
nitrate (NO3-): ≤0.003%
sulfate (SO42-): ≤0.01%

正離子痕跡

Ca: 0.001%
Fe: ≤0.001%
K: ≤0.005%
Mg: 0.0005%
Na: ≤0.005%
heavy metals (as Pb): ≤0.001%

SMILES 字串

N.N.OP(O)(O)=O

InChI

1S/2H3N.H3O4P/c;;1-5(2,3)4/h2*1H3;(H3,1,2,3,4)

InChI 密鑰

MNNHAPBLZZVQHP-UHFFFAOYSA-N

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相关类别

一般說明

磷酸铵二盐是一种水溶性磷酸铵盐。它是磷肥的关键成分。通常被用作胶合板、纸张和织物的阻燃剂,以及旧建筑中降解的碳酸盐材料的缓蚀剂。

應用

磷酸二酸铵可作为催化剂用于:
  • 通过三组分缩合反应合成四氢苯并[b]芘衍生物。
  • 无溶剂 Biginelli 反应。
  • 通过吲哚衍生物与芳香或脂肪醛的无溶剂反应合成吲哚基甲烷。

儲存類別代碼

11 - 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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