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HS Code |
398046 |
| Chemical Name | Tetraphosphorus Heptasulfide |
| Chemical Formula | P4S7 |
| Molar Mass | 444.54 g/mol |
| Appearance | Yellow to orange crystalline solid |
| Odor | Characteristic unpleasant odor |
| Melting Point | 176 °C |
| Boiling Point | Decomposes before boiling |
| Solubility In Water | Insoluble |
| Density | 2.2 g/cm³ |
| Stability | Stable under normal conditions, sensitive to moisture |
| Cas Number | 1314-87-0 |
| Hazard Classification | Harmful, irritant |
As an accredited Tetraphosphorus Heptasulfide factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Tetraphosphorus Heptasulfide, 100g, is supplied in a tightly sealed amber glass bottle with hazard labeling and safety instructions. |
| Shipping | Tetraphosphorus heptasulfide should be shipped in tightly sealed containers, protected from moisture and incompatible substances. It must be labeled as hazardous, with proper UN number (UN 1341) and hazard class (4.1, flammable solid). Transport is typically via ground or sea, complying with relevant regulatory requirements for hazardous materials. |
| Storage | Tetraphosphorus heptasulfide should be stored in a cool, dry, and well-ventilated area away from sources of ignition, moisture, and strong oxidizing agents. It must be kept tightly sealed in clearly labeled, corrosion-resistant containers, preferably under inert gas. Avoid exposure to air and protect from light. Handle with care, using proper personal protective equipment to prevent contact and inhalation. |
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Purity 99%: Tetraphosphorus Heptasulfide with purity 99% is used in the manufacture of safety matches, where it ensures reliable ignition and consistent flame stability. Molecular Weight 444.48 g/mol: Tetraphosphorus Heptasulfide with molecular weight 444.48 g/mol is used in pyrotechnic compositions, where it provides predictable reaction kinetics and color output. Particle Size <45 μm: Tetraphosphorus Heptasulfide with particle size less than 45 micrometers is used in match head production, where it enables uniform blending and optimized combustion rates. Stability Temperature 150°C: Tetraphosphorus Heptasulfide with stability temperature of 150°C is used in the formulation of chemical initiators, where it improves storage safety and thermal handling parameters. Melting Point 300°C: Tetraphosphorus Heptasulfide with melting point 300°C is used in friction ignition devices, where it delivers enhanced operational durability under high-heat conditions. Low Moisture Content <0.5%: Tetraphosphorus Heptasulfide with low moisture content below 0.5% is used in the synthesis of specialty sulfur-phosphorus compounds, where it prevents unwanted side reactions and ensures product purity. High Reactivity Index: Tetraphosphorus Heptasulfide with a high reactivity index is used in laboratory organic synthesis, where it enables efficient thionation of carbonyl compounds. |
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