| наименование товара | Персульфат аммония |
| Другие имена | Пероксодисульфат аммония |
| Молекулярная формула | (NH4)2S2O8 |
| номер ГС | 2833400000 |
| КАС № | 7727-54-0 |
| EINECS №. | 231-786-5 |
| Чистота | ≥98,5% |
| Внешность | Белый кристаллический порошок |
Основная информация
- Product Name: Ammonium persulfate
- Other Names:Ammonium peroxodisulfate
- Molecular Formula: (NH4)2S2O8
- HS No.: 2833400000
- CAS No.: 7727-54-0
- EINECS No.:231-786-5
- Purity:≥5％
- Appearance:White crystalline powder
- No：1444
| Предметы | Технические характеристики | |
| Спецификация | Полученные результаты | |
| Внешность | Белый кристаллический порошок | Белый кристаллический порошок |
| Анализ (NH4) 2S2O8) | ≥98,5% | 98.8 |
| Heavy metal (as Pb) | ≤0,0005% | 0.0002 |
| Железо (Fe) | ≤0,0005% | 0.0002 |
| Марганец (Mn) | ≤0,00005% | 0.00001 |
| Остаток после зажигания | ≤0,02% | 0.02 |
| Free acid (as H2SO4) | ≤0,10% | 0.02 |
| Активный кислород | ≥6,90% | 6.93 |
| Влага | ≤0,10% | 0.07 |
Физические и химические свойства
Физические свойства
Melting point: 120 (decomposition)
Density: 1.98g/cm3
Refractive index: 1.50
Appearance: white crystalline powder
Химические свойства
Peroxodisulfate contains peroxy groups and is a strong oxidant that can oxidize Mn2 + to MnO4-. Ammonium peroxodisulfate can be prepared by electrolysis of an aqueous solution of ammonium bisulfate.
Ammonium persulfate soluble in water.
Приложениен
- В качестве источника radicals, APS is mainly used as a radical initiatorв polymerization определенных alkenes. Commercially important polymers prepared using persulfates include styrene-butadiene rubberиpolytetrafluoroethylene.
- Illustrative of its powerful oxidizing properties, ammonium persulfate is used to etch copperна printed circuit boards как альтернатива ferric chlorideThis property was discovered many years ago.
- Персульфат аммония является стандартным ингредиентом в hair bleach.
- Персульфаты используются как oxidantsв organic chemistry.For example, in the Minisci reactionиElbs persulfate oxidation
Хранилище
Precautions for storage: Store in a cool, dry and well-ventilated warehouse. Keep away from fire and heat source. The package must be sealed to prevent moisture. Should be stored separately from the reducing agent, active metal powder, etc., do not mix storage. The storage area shall be provided with suitable materials to contain spills.ABOUT US
We work in this field for about 16 years, and the annual output of Sodium metabisulfite is about 600,000 tons.
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