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Product name: Methyl methacrylate
CAS NO: 80-62-6
Customs code: 2916130010
Refund tax: 13%
Molecular formula：C5H8O2
| ltem | Finished Product | Top Grade | Test Method |
| APPEARANCE | Colorless transparent liquid,
invisible |
Clear liquid, no visible impurities | HG/T 2305-2017 |
| Chroma (Platinum Cobalt Color Number)/Hazen Units | ≤5 | 5 | GB 3143-1982 |
| Density (20 ℃)/(g/cm3) | 0.942~0.944 | 0.9430 | GB/T 4472-2011 |
| Acidity (calculated as methacrylic acid) (mg/kg) | ≤50 | 29.0 | HG/T 2305-2017 |
| Moisture (mg/kg) | ≤400 | 114 | GB/T 6324.8-2014 |
| Methyl methacrylate/ ω/% | ≥99.9 | 99.9 | HG/T 2305-2017 |
| Topanol A(mg/kg） | 1~10 | 5 | Q/3207 JSPC MA024 |
Mainly used as a monomer for organic glass，it is also used to manufacture other resins，plastics，coatings，adhesives，lubricants，wood and cork wetting agents，paper polishing agents, etc.
Usually，products are added with polymerization inhibitors. Store in a cool and ventilated warehouse. Stay away from sparks and heat sources. Store in dark. The storage temperature should not exceed 37 ℃. The packaging requires sealing and must not come into contact with air. It should be stored separately from oxidants, acids, alkalis，halogens, etc., and mixed storage should be avoided. It should not be stored in large quantities or for a long time. Adopting explosion-proof lighting and ventilation facilities. Prohibit the use of mechanical equipment and tools that are prone to generating sparks. The storage area should be equipped with emergency response equipment for leaks and appropriate containment materials.
