31119-M
硫酸铵
puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥99%
别名:
硫铵石
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关于此项目
线性分子式:
(NH4)2SO4
化学文摘社编号:
分子量:
132.14
PubChem Substance ID:
eCl@ss:
38030408
UNSPSC Code:
12352314
NACRES:
NA.21
EC Number:
231-984-1
MDL number:
Assay:
≥99%
Form:
crystalline
Quality Level
agency
USP/NF, reag. ISO, reag. Ph. Eur.
grade
ACS reagent, puriss. p.a.
assay
≥99%
form
crystalline
impurities
≤0.005% in water insoluble matters, ≤5 ppm heavy metals (by ICP-OES)
ign. residue
≤0.005% (as SO4)
loss
≤0.1% loss on drying, 110 °C
pH
5-6 (25 °C, 5%)
mp
>280 °C (dec.) (lit.)
density
1.77 g/mL at 25 °C (lit.)
anion traces
chloride (Cl-): ≤3 mg/kg, nitrate (NO3-): ≤10 mg/kg, phosphate (PO43-): ≤5 mg/kg
cation traces
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 string
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
General description
Ammonium sulfate is an inorganic salt that can be produced from the direct neutralization of sulfuric acid with ammonia.
Application
Ammonium sulfate can be used as a nucleating agent in the preparation of fatty acid microcapsules.
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存储类别
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
法规信息
新产品
此项目有
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)
Deliquescence and crystallization of ammonium sulfate particles internally mixed with water-soluble organic compounds
Parsons MT, et al.
The Journal of Physical Chemistry A, 108(52), 11600-11608 (2004)