KNO₃
Nitric acid potassium salt
Restriction: Precursor of Explosives
M.W: 101,10   CAS: 7757-79-1  EC: 231-818-8  
UN: 1486  IMDG: 5.1 III UN 1486  ADR: 5.1 III UN 1486 (E)  IATA: 5.1 III UN 1486  H: H272  

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• Assay ? 99%
• Appearance white powder
• Iron (Fe) ? 0.0002%
• Substances insoluble in water (H2O) ? 0.005%
• Chloride (Cl^–) ? 0.001%
• Water (H₂O) ? 0.2%
• pH (5% water, 20°C) 5.5 – 8
• Copper (Cu) ? 0.001%
• Phosphate (PO₄) ? 0.0003%
• Iodates (IO₃) ? 0.0005%
• Sulfates (SO₄) ? 0.003%
• Ammonium (NH₄) ? 0.005%
• Calcium (Ca) ? 0.002%
• Magnesium (Mg) ? 0.001%
• Sodium (Na) ? 0.02%
• Nitrites (NO₂) ? 0.0005%
• Lead (Pb) ? 0.001%
• Zinc (Zn) ? 0.001%

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C₈H₅KO₄
M.W: 204,22  CAS: 877-24-7  EC: 212-889-4  TARIC: 29173985

H: H319;H315;H335  P: P264;P271;P280;P302+P352;P304+P340;P305+P351+P338;P403-P233;P501  

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• Appearance ? White crystalline powder
• Assay (after drying) ? 99.5%
• Insoluble matter ? 0.005%
• Loss on drying (110 °C) ? 0.2%
• Chloride (Cl^–) ? 0.002%
• Phtalic acid (C₆H₄(COOH)₂) ? 0.005%
• Sulfates (SO₄) ? 0.005%
• Copper (Cu) ? 0.0005%
• Iron (Fe) ? 0.0005%
• Lead (Pb) ? 0.0005%
• Sodium (Na) ? 0.01%

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K₄[Fe(CN)₆]?3H₂O
Potassium ferrocyanide trihydrate
M.W: 422,39  CAS: 14459-95-1  EC: 237-722-2  TARIC: 28372000

H: H412  P: P273-P501  

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• Appearance/color ? Pale yellow crystalline powder
• Assay (by cerimetry) 98.5 – 102%
• Substances insoluble in water (H2O) ? 0.005%
• Chloride (Cl^–) ? 0.01%
• Sulfates (SO₄) ? 0.01%

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K₂CrO₄
Restriction: Autorización Reach
M.W: 194,19  CAS: 7789-00-6  EC: 232-140-5  TARIC: 28415000
EC INDEX: 024-006-00-8  
UN: 3288  IMDG: 6.1 III UN 3288  ADR: 6.1 III UN 3288 (D/ E)  IATA: 6.1 III UN 3288  

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• Assay ? 99.5
• Substances insoluble in water (H2O) ? 0.005%
• pH (5% water) 9 – 9.8
• Chloride (Cl^–) ? 0.001%
• Calcium (Ca) ? 0.005%
• Sodium (Na) ? 0.05%
• Lead (Pb) ? 0.005%
• Sulfates (SO₄) ? 0.01%

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KBr
M.W: 119,00  CAS: 7758-02-3  EC: 231-830-3  TARIC: 28275100

H: H319  P: P102+P202  

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• Assay ? 99.5
• Loss on drying (105 °C) ? 0.5%
• Substances insoluble in water (H2O) ? 0.005%
• Iron (Fe) ? 0.0005%
• pH (5% water) 5.0 – 8.8
• Total Nitrogen ? 0.001%
• Bromate (BrO₃) ? 0.001%
• Chloride (Cl^–) ? 0.1%
• Sulfates (SO₄) ? 0.005%
• Iodides (I^–) ? 0.02%
• Heavy metals (Pb) ? 0.0005%
• Barium (Ba) ? 0.002%
• Calcium (Ca) ? 0.001%
• Magnesium (Mg) ? 0.001%
• Sodium (Na) ? 0.05%

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