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Merck
CN

11213

Sigma-Aldrich

碳酸氢铵

puriss., meets analytical specification of Ph.Eur., BP, E 503, 99-101%

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别名:
碳酸氢铵
线性分子式:
NH4HCO3
CAS号:
分子量:
79.06
Beilstein:
4329606
EC 号:
MDL编号:
UNSPSC代码:
12352300
eCl@ss:
38020216
PubChem化学物质编号:
NACRES:
NA.21

蒸汽密度

2.7 (vs air)

质量水平

蒸汽压

513 hPa ( 50 °C)
67.1 hPa ( 20 °C)

等级

puriss.

检测方案

99-101%

形式

powder or crystals

质量

meets analytical specification of Ph.Eur., BP, E 503

杂质

residual solvents, complies
tar like substances, complies
≤0.001% heavy metals (as Pb)
≤0.01% non-volatile matter

pH值(酸碱度)

7-8.5 (25 °C, 79.1 g/L)

痕量阴离子

chloride (Cl-): ≤10 mg/kg
sulfate (SO42-): ≤30 mg/kg
sulfide (S2-): in accordance

痕量阳离子

As: ≤1 mg/kg
Fe: ≤5 mg/kg
Hg: ≤1 mg/kg
Pb: ≤5 mg/kg

储存温度

room temp

SMILES字符串

N.OC(O)=O

InChI

1S/CH2O3.H3N/c2-1(3)4;/h(H2,2,3,4);1H3

InChI key

ATRRKUHOCOJYRX-UHFFFAOYSA-N

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一般描述

碳酸氢铵是铵离子的碳酸氢盐。除了作为氨的来源外,它还通常用作温和的碱。氨的碳酸氢盐呈颗粒状晶体,易溶于水。在催化剂的合成中,使用碳酸氢铵。

应用

碳酸氢铵可用作:
  • 作为矿物燃料,采用溶胶-凝胶燃烧法制备氧化铝-氧化锆纳米粉体。
  • 沉淀剂,用于合成 γ-Al2O3 样品(γ-Al2O3-1),用于从水溶液中去除氟化物。

象形图

Exclamation mark

警示用语:

Warning

危险声明

危险分类

Acute Tox. 4 Oral

WGK

WGK 1


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