CAS No.: | 80-62- 6 |
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Formula: | C5h8o2 |
EINECS: | 201-297-1 |
Classification: | Organic Solvent Chemicals |
Grade: | Industrial Grade |
Specific Usage: | Industrial |
Samples: |
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Customization: |
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Product Name | Methyl methacrylate; MAA |
CAS No. | 80-62- 6 |
MF | C5H8O2 |
Appearance | Clear and transparent liquid |
Items | Specifications |
Color (Pt-Co) | 10 max |
Assay | 99.9% min |
Water | 0.05% max |
Free acid(as methacrylic acid) | 0.005% max |
Inhibitor | 5-15ppm |
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The principal application, consuming approximately 75% of the MMA, is the manufacture of polym ethyl met hacrylate acrylic plastics (P MMA). Methyl methacrylate is also used for the production of the co-polymer methyl methacr ylate-butadiene-styrene (MBS), used as a modifier for PVC. Another application is as cement used in total hip replacements as well as total knee replacements. Used as the "grout" by orthopedic surgeons to make the bone inserts fix into bone, it greatly reduces post-operative pain from the insertions but has a finite lifespan. Typically the lifespan of methylmethacrylate as bone cement is 20 years before revision surgery is required. Cemented implants are usually only done in elderly populations that require more immediate short term replacements. In younger populations, cementless implants are used because their lifespan is considerably longer. Also used in fracture repair in small exotic animal species using internal fixation.
MMA is a raw material for the manufacture of other methacrylates. These derivatives include ethyl methacrylate (EMA), butyl methacrylate (BMA) and 2-ethyl hexyl methacrylate (2-EHMA). Methacrylic acid (MAA) is used as a chemical intermediate as well as in the manufacture of coating polymers, construction chemicals and textile applications.
Wood can be impregnated with MMA and polymerized in situ to produce a stabilized product.
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