-
Name
Lead subacetate
- EINECS 215-630-3
- CAS No.
- Density
- Solubility Sol in water with alkaline reaction; on exposure to air absorbs carbon dioxide and becomes incompletely soluble
- Melting Point 75 °C
- Formula C4H14O8Pb3
- Boiling Point Decomposes at 200 °C
- Molecular Weight 8.1e+02
- Flash Point
- Transport Information
- Appearance Lead subacetate is a white dense powder. (NTP, 1992)
- Safety
- Risk Codes
-
Molecular Structure
- Hazard Symbols
- Synonyms lead acetate, basic;lead subacetate
- PSA
- LogP
Poly-oxy-1-4-butanediyloxycarbonyl-1-4-phenylenecarbonyl- Chemical Properties
The use and storage are not broken down according to regulations. There is no known hazardous reaction to avoid oxidants
Poly-oxy-1-4-butanediyloxycarbonyl-1-4-phenylenecarbonyl- Specification
Polybutylene terephthalate (PBT) is a thermoplastic engineering polymer that is used as an insulator in the electrical and electronics industries. It is a thermoplastic (semi-)crystalline polymer, and a type of polyester. PBT is resistant to solvents, shrinks very little during forming, is mechanically strong, heat-resistant up to 150 °C (or 200 °C with glass-fibre reinforcement) and can be treated with flame retardants to make it noncombustible.
PBT is closely related to other thermoplastic polyesters. Compared to PET (polyethylene terephthalate), PBT has slightly lower strength and rigidity, slightly better impact resistance, and a slightly lower glass transition temperature. PBT and PET are sensitive to hot water above 60 °C (140°F). PBT and PET need UV protection if used outdoors, and most grades of these polyesters are flammable, although additives can be used to improve both UV and flammability properties.
PBT is closely related to other thermoplastic polyesters. Compared to PET (polyethylene terephthalate), PBT has slightly lower strength and rigidity, slightly better impact resistance, and a slightly lower glass transition temperature. PBT and PET are sensitive to hot water above 60 °C (140°F). PBT and PET need UV protection if used outdoors, and most grades of these polyesters are flammable, although additives can be used to improve both UV and flammability properties.
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