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Merck
CN

31119-M

Sigma-Aldrich

硫酸铵

puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥99%

别名:

硫铵石

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About This Item

线性分子式:
(NH4)2SO4
CAS号:
分子量:
132.14
EC 号:
MDL编号:
UNSPSC代码:
12352314
eCl@ss:
38030408
PubChem化学物质编号:
NACRES:
NA.21

等级

ACS reagent
puriss. p.a.

质量水平

Agency

USP/NF
reag. ISO
reag. Ph. Eur.

方案

≥99%

表单

crystalline

杂质

≤0.005% in water insoluble matters
≤5 ppm heavy metals (by ICP-OES)

灼烧残渣

≤0.005% (as SO4)

缺失

≤0.1% loss on drying, 110 °C

pH值(酸碱度)

5-6 (25 °C, 5%)

mp

>280 °C (dec.) (lit.)

密度

1.77 g/mL at 25 °C (lit.)

痕量阴离子

chloride (Cl-): ≤3 mg/kg
nitrate (NO3-): ≤10 mg/kg
phosphate (PO43-): ≤5 mg/kg

痕量阳离子

As: ≤0.00002%
Ca: ≤0.001%
Cd: ≤0.0001%
Co: ≤0.0005%
Cr: ≤0.0005%
Cu: ≤0.0002%
Fe: ≤2 mg/kg
K: ≤0.005%
Mg: ≤0.0002%
Mn: ≤0.0005%
Na: ≤0.002%
Ni: ≤0.0005%
Pb: ≤0.0002%
Zn: ≤0.0001%

SMILES字符串

N.N.OS(O)(=O)=O

InChI

1S/2H3N.H2O4S/c;;1-5(2,3)4/h2*1H3;(H2,1,2,3,4)

InChI key

BFNBIHQBYMNNAN-UHFFFAOYSA-N

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一般描述

Ammonium sulfate is an inorganic salt that can be produced from the direct neutralization of sulfuric acid with ammonia.

应用

Ammonium sulfate can be used as a nucleating agent in the preparation of fatty acid microcapsules.

储存分类代码

13 - Non Combustible Solids

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable

法规信息

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分析证书(COA)

Lot/Batch Number

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访问文档库

Ammonium compounds
Kirk-Othmer Encyclopedia of Chemical Technology (2000)
Microencapsulation of a fatty acid with Poly (melamine-urea-formaldehyde
Konuklu Y, et al.
Energy Conversion and Management , 80, 382-390 (2014)
Separation of proteins by ammonium sulfate gradient solubilization.
T P King
Biochemistry, 11(3), 367-371 (1972-02-01)
D A DePasquale et al.
Applied and environmental microbiology, 56(12), 3711-3717 (1990-12-01)
In this study we examined the mechanism by which ammonium bicarbonate inhibits mycotoxigenic fungi. Elevated extracellular pH, alone, was not responsible for the antifungal activity. Although conidia of Penicillium griseofulvum and Fusarium graminearum had internal pH (pHi) values as high
Neutron-Diffraction Study of the Structures of Ferroelectric and Paraelectric Ammonium Sulfate.
Schlemper EO, et al.
J. Chem. Phys. , 44(12), 4498-4509 (1966)

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