Molecular Structure:

Product description:

Ⅰ  Chemical formula and molecular weight
Chemical formula:C₂₄H₃₈O₄
Molecular weight:426.68
CAS No.:117-81-7
Ⅱ  Properties and uses
Colourless,transparent oily liquid,b.p.386℃,viscosity 80 c.p.((20℃),refractive index 1.483~1.486(20℃).
One of the most useful plasticizer,it shows properties of the plasticizing efficiency,low volatility, light-resistant,water-endurance,weathering resisting,good electrical functions,and fine softening effect,etc..
Extensively used in processing electrical wires and cables, artificialleathers,films and moulding plastics from polyvinyl chloride,vinyl chloride copolymers,and cellulosic resins.
Ⅲ  Quality standard

Specification	Super Grade	First Grade	Qualified Grade
Colourity(Pt-Co),code No.     ≤	30	40	60
Acidity(calculated as phthalic acid),%≤	0.010	0.015	0.030
Density(20℃),g/cm3	0.985±0.003
Purity,%                    ≥	99.5	99.0
Flash point,℃                ≥	196	192
Water content,%              ≤	0.10	0.15
Volume resistivity,Ω-cm        ≥	1.0×109	/

Ⅳ  Package and storage
Packed in iron drum,net weight 200 kg/drum.
Stored at dry,shady,ventilated place. Prevented from collision and sunrays,rain-attack during handling and shipping.Met the high hot and clear fire or contact the oxidizing agent,caused the burning danger.