Molecular Structure:

Product description:

Ⅰ  Chemical formula and molecular weight
Chemical formula:C₁₆H₂₂O₄
Molecular weight:278.35
CAS No.:84-74-2
Ⅱ  Properties and uses
Colourless,transparent oily liquid,b.p.340℃,viscosity 12～22 c.p.（20℃）,refractive index 1.4895～1.4926（25℃）.
Good compatibility with most of ethylenic and cellulosic resins. Used for main plasticizer for cellulosic resins and polyvinyl chloride,good solvent potency and good compatibility,fine softening property,but less aging-duration and anti-wanter-extraction.
Also used as plasticizer for polyvinyl acetate,alkyd resins,ethyl cellulose and rubbers.
Ⅲ  Quality standard

Specification	Super Grade	First Grade	Qualified Grade
Colourity（Pt-Co）,code No.         ≤	20	25	40
Acid value,mgKOH/g              ≤	0.07	0.12	0.20
Density,g/cm3	1.046±0.002
Content（GC）,%                  ≥	99.5	99.0	98.0
Flash point,℃                     ≥	160	160	160
Water content,%                  ≤	0.10	0.15	0.20

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.