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Food additive sodium tripolyphosphate(STPP)
Food additive sodium hexametaphosphate(SHMP)
Food additive Sodium pyrophosphate(TSPP) anhydrous
Food additive Sodium Acid Pyrophosphate(SAPP)
Food additive Tetrapotassium Pyrophosphate(TKPP)
Food additive Monopotassium Phosphate(MKP)
Food additive Tripotassium Phosphate(TKP)
Food additive trisodium phosphate
Food additive sodium hydrogen phosphate
Electronic grade sodium dihydrogen phosphate/Mono Sodium Phosphate
n-Hexane (Chromatographic grade)
Trichloromethane (Chromatographic grade)
Toluene (Chromatographic grade)
n-Hexane (for residue analysis)
Trichloromethane (for residue analysis)
Electronic grade Ammonium Sulfate
Electronic grade Phosphoric acid
Molecular formula: HCOOH
English name: Formic acid
Appearance: Colorless transparent liquid without suspended matter.
Specification: 85%,88%.
Property: Colorless transparent liquid without suspended matter.
Packing instruction: Packed in plastic drum or stainless steel tank, 25kg/drum, 35kg/drum, 250kg/drum, 1.2t/drum.
Executive standard: GB/T 2093-2011
Quality standard:
Item | Index | ||||||||
94% | 90% | 85% | |||||||
Superior | First-class | Qualified | Superior | First-class | Qualified | Superior | First-class | Qualified | |
Formic acid,w/% | ≥94.0 | ≥90.0 | ≥85.0 | ||||||
Chroma/HazcnUnit (Pt-Co color number) | ≤10 | ≤20 | ≤10 | ≤20 | ≤10 | ≤20 | ≤30 | ||
Dilution test (sample+water=1+3) | Not cloudy | Passes the test | Not cloudy | Passes the test | Not cloudy | Passes the test | |||
Chloride (Calculated by CL),w/% | ≤0.0005 | ≤0.001 | ≤0.002 | ≤0.0005 | ≤0.002 | ≤0.002 | ≤0.004 | ≤0.006 | |
Sulfate (Calculated by SO4),w/% | ≤0.0005 | ≤0.001 | ≤0.005 | ≤0.0005 | ≤0.001 | ≤0.005 | ≤0.001 | ≤0.002 | ≤0.020 |
Iron (Calculated by Fe),w/% | ≤0.0001 | ≤0.0004 | ≤0.0006 | ≤0.0001 | ≤0.0004 | ≤0.0006 | ≤0.0001 | ≤0.0004 | ≤0.0006 |
Evaporation residue,w/% | ≤0.006 | ≤0.015 | ≤0.020 | ≤0.006 | ≤0.015 | ≤0.020 | ≤0.006 | ≤0.020 | ≤0.060 |
Usage: Used for production of chemical products, rubber coagulant, and used in textile, printing, electroplating, etc. Formic acid one of the organic chemical raw materials and extensively used in pesticide, leather, pharmaceutical, rubber, printing, chemical raw material and other industries.
Hazardous characteristics: Freezing point 8.2℃, boiling point 100.8℃, flash point 68.9℃, generates explosive mixture with the air, explosion limit is 18%-57% (volume fraction), burn or explode contacting with naked fire, heat. Strongly corrosive to aluminium, cast iron, steel, some plastics, rubber and paint.
