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Polymer grade propylene
Specifications
| Technical Item | Index | Test method | ||||||
| Superior quality | First class | Qualified product | ||||||
| Propylene content φ/% ≥ | 99.6 | 99.2 | 98.6 | GB/T 3392 | ||||
| Alkane content φ/% | report | report | report | GB/T 3392 | ||||
| Ethylene content/(mL/m3) ≤ | 20 | 50 | 100 | GB/T 3392 | ||||
| Acetylene content/(mL/m2) ≤ | 2 | 5 | 5 | GB/T 3394 | ||||
| Methylacetylene+ propadiene content/(mL/m3) ≤ | 5 | 10 | 20 | GB/T 3392 | ||||
| Oxygen content/(mL/m3) ≤ | 5 | 10 | 10 | GB/T 3396 | ||||
| Carbon monoxide content/(mL/m2)≤ | 2 | 5 | 5 | GB/T 3394 | ||||
| Carbon dioxide content/(mL/m2) ≤ | 5 | 10 | 10 | GB/T 3394 | ||||
| Butene+butadiene content/(mL/m2)≤ | 5 | 20 | 20 | GB/T 3392 | ||||
| Sulfur content/(mg/kg)≤ | 1 | 5 | 8 | GB/T 1141a | ||||
| Water content/(mg/kg)≤ | 10 | — | GB/T 1141a | |||||
| Methanol content/(mg/kg)≤ | 10 | 10 | GB/T 12701 | |||||
| Dimethyl ether content/(mg/kg)c≤ | 2 | 5 | report | GB/T 12701 | ||||
Packing & Storage
| Packing | 4L\8L aluminum alloy bottle; 72L \ 118L \ 400L \ 800L GB steel cylinder packaging; or fill in gas cylinders according to other specifications. | |||||||
| Storage | Stored in a cool, dry and ventilated warehouse, do not stack in the open air, and do not be exposed to sunlight. | |||||||
| Transportation | Sharp tools such as iron hooks are prohibited during transportation, loading, and unloading. During transportation should be kept clean, dry, and equipped with compartments or clothes. It shall not be mixed with sand, broken metal, coal, glass, etc. during transportation. | |||||||
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General Information
Chemical & Physical Information
Safety Information
Synthetic Route
Chemical & Physical Information
| Common Names | Polymer grade propylene | |||||||
| Structure | C3H6  | |||||||
| CAS No. | 115-07-1 | Boiling Point (℃) | −47.7 °C(lit.) | |||||
| Molecular Weight | 42.0797 | Melting Point (℃) | −185 °C(lit.) | |||||
| Appearance | Colorless gas with a hydrocarbon odor. | Density | 1.49 | |||||
| HS Code | 2901220000 | Flash Point (ºF) | -108 °C | |||||
| Solubility | Soluble in ethanol | Vapour Pressure | 15.4 atm ( 37.7 °C) | |||||
Safety Information
| Safety Phrases | S9-S16-S33 | ||
| RIDADR | UN 1077 2.1 | ||
| WGK Germany | — | ||
| Hazard Class | 2.1 | ||
| RTECS | UC6740000 | ||
| FIRST AID | |
| Inhalation | If inhaled, move the patient to fresh air. If breathing stops, perform artificial respiration. Consult a doctor. |
| Skin | Wash off with soap and plenty of water. |
| Eyes | Rinse thoroughly with plenty of water for at least 15 minutes and consult a doctor. |
| Ingestion | Never feed anything through the mouth to the unconscious person. Rinse your mouth with water. Consult a doctor.Consult a doctor. |
Synthetic Route
| It is formed by the polymerization of vinyl acetate in the presence of acetic acid. The degree of polymerization is appropriate from 250 to 600. After the polymerization is completed, the remaining trace catalyst monomers and solvents in the resin are removed by vacuum drying, steam stripping, washing, or combined treatment. In the presence of acetic acid, benzoyl peroxide is used as the initiator and vinyl acetate is used for bulk polymerization; or polyvinyl alcohol is used as the dispersant, and solution polymerization is carried out in a solvent at 70~90℃ for 2~6h (the degree of polymerization is controlled at 250~600 is appropriate) to obtain the product. |
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