Ammonium sulfate, EssentQ®
- (NH4)2SO4
- M = 132,14 g/mol
- CAS [7783-20-2]
- EINECS-No.: 231-984-1
- Solub. in water: (20 ºC): 754 g/l
- Melting point: 280 ºC (decomposes)
- LD 50 (oral, rat): 4250 mg/kg
- GHS-signal word: Warning
- GHS-H sentences: H315 - H319 - H335
- GHS-P sentences: P261 - P280 - P305+P351+P338 - P321 - P405 - P501a
- Tariff number: 3102 21 00 00
- Applications: analytical chemistry, manufacture of alums.
SPECIFICATIONS
assay (acidimetric): min. 99,0 %
identity (IR-spectrum): passes test
pH (5 %, H2O): 4,5 - 6,0
chlorides (Cl): max. 0,002 %
nitrates (NO3): max. 0,002 %
arsenic (As): max. 3 ppm
copper (Cu): max. 0,002 %
heavy metals: max. 0,001 %
iron (Fe): max. 0,001 %
lead (Pb): max. 0,002 %
residue on ignition: max. 0,05 %
loss on drying (105 ºC): max. 1 %
- Synonyms: Sulfuric acid diammonium salt
- (NH4)2SO4
- M = 132,14 g/mol
- CAS [7783-20-2]
- EINECS-No.: 231-984-1
- Solub. in water: (20 ºC): 754 g/l
- Melting point: 280 ºC (decomposes)
- LD 50 (oral, rat): 4250 mg/kg
- GHS-signal word: Warning
- GHS-H sentences: H315 - H319 - H335
- GHS-P sentences: P261 - P280 - P305+P351+P338 - P321 - P405 - P501a
- Tariff number: 3102 21 00 00
- Applications: analytical chemistry, manufacture of alums.
SPECIFICATIONS
assay (acidimetric): min. 99,0 %
identity (IR-spectrum): passes test
pH (5 %, H2O): 4,5 - 6,0
chlorides (Cl): max. 0,002 %
nitrates (NO3): max. 0,002 %
arsenic (As): max. 3 ppm
copper (Cu): max. 0,002 %
heavy metals: max. 0,001 %
iron (Fe): max. 0,001 %
lead (Pb): max. 0,002 %
residue on ignition: max. 0,05 %
loss on drying (105 ºC): max. 1 %
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