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Ammonium Persulfate (APS) Ammonium peroxydisulfate - 500g

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9.32
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Net price: €7.58
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Description

Ammonium Persulfate (APS)

Other Names: Ammonium peroxydisulfate
CAS Number: 7727-54-0
Sum Formula: (NH₄)₂S₂O₈
Molar Mass: 228.20 g/mol
Appearance: White, crystalline powder or granules


Chemical and Physical Properties

  • Density: 1.98 g/cm³

  • Melting Point: Decomposes at ~120°C

  • Boiling Point: Not applicable (decomposes)

  • Solubility in Water: Highly soluble (~80 g/100 mL at 25°C)

  • Solubility in Other Solvents: Slightly soluble in alcohol

  • Odor: Odorless

  • pH: ~1–2 (1% solution)


Applications

  • Polymer Industry: Used as a free-radical initiator for the polymerization of monomers such as acrylates and vinyl compounds

  • Electronics & Metal Processing: Employed as an etching agent for printed circuit boards and a surface cleaner for metals

  • Textile & Paper Industry: Used as a bleaching and desizing agent

  • Laboratory Use: Common oxidizer in redox reactions and gel electrophoresis preparation


Safety

Signal Word: Danger

GHS Hazard Statements

H272 (95.7%): May intensify fire; oxidizer [Danger Oxidizing liquids; Oxidizing solids]

H302 (> 99.9%): Harmful if swallowed [Warning Acute toxicity, oral]

H315 (99.9%): Causes skin irritation [Warning Skin corrosion/irritation]

H317 (> 99.9%): May cause an allergic skin reaction [Warning Sensitization, Skin]

H319 (99.9%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

H334 (> 99.9%): May cause allergy or asthma symptoms or breathing difficulties if inhaled [Danger Sensitization, respiratory]

H335 (99.9%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statement Codes

P210, P220, P233, P260, P261, P264, P264+P265, P270, P271, P272, P280, P284, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P333+P317, P337+P317, P342+P316, P362+P364, P370+P378, P403, P403+P233, P405, and P501


Handling and Storage

  • Storage Conditions: Store in a tightly closed container in a dry, cool, well-ventilated area. Keep away from combustible substances

  • Handling Precautions: Avoid contact with skin, eyes, and clothing. Do not mix with flammable materials. Use non-sparking tools

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