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Dibasic lead phosphite
Category : Catalyst and Auxiliary
CAS NO : 12141-20-7 EC NO : 235-252-2 MF : HO5PPb3 MW : 733.5787 Specification : white fine crystal powder, density of 6.1g/cm3. Insoluble in water and ordinary solvents, soluble in hydrochloric acid and nitric acid. This product turns into gray black at 200℃ ,into yellow at 450℃. Packing : 20kg/ woven bag Product description : English Name:DIBASIC LEAD PHOSPHITE Molecular Formula: 2Pbo•PbHPO3•1/2H2O CAS:12141-20-7 PROPERTIES: white fine crystal powder, density of 6.1g/cm3. Insoluble in water and ordinary solvents, soluble in hydrochloric acid and nitric acid. This product turns into gray black at 200℃ ,into yellow at 450℃. Use: This product as thermal stabilizer of the polyvinyl chloride and vinyl chloride copolymers, in addition to having an acid acceptor in vitro efficacy, as well as oxidation resistance and the ability of shielding ultraviolet, weather resistance superior ,thermal stability and electrical insulating properties are also good, mainly used for the opaque hard goods and soft goods, especially for outdoor supplies. Standard: In line with the Ministry of HG2339-92 Item Index Superior products First grade Qualified products Pb Content(as Pbo)% 89.0-91.0 89.0-91.0 88.5-91.5 H3PO3Content % 10.1-12.0 10.0-12.0 9.0-12.0 Heat Loss =% 0.30 0.40 0.60 Residue on 75um sieve\=% 0.30 0.40 0.60 Storage: Be stored in a cool , dry place , moistureproof,sunprotection place. Package:Outer woven bags within the plastic Uses : This product as thermal stabilizer of the polyvinyl chloride and vinyl chloride copolymers, in addition to having an acid acceptor in vitro efficacy, as well as oxidation resistance and the ability of shielding ultraviolet, weather resistance superior ,th Synonyms : 12141-20-7;lead(2+) phosphonate - oxo-l2-plumbane (1:2);lead(2+) phosphonate - oxo-λ2-plumbane (1:2); Molecular Structure : 
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