Shandong Xuye New Materials Co.,Ltd.

5-(Sodiosulfo) isphthalic acid

• Category :

  Intermediates

• CAS NO :

  6662-79-4

• EC NO :

• Molecular Formula :

• Molecular Weight :

• Main Specifications :

• Packing :

  It is packed with polypropylene woven bag or paperbag.The net weight is 500kg,25kg or according to customers' demanda

• Product description :

  Usage:It can be used in the production of Dacron polyester; used as intermediate and modifier for pharmaceutical, pesticide and polyester.

  Physicochemical properties:This product is white crystal powder. It is soluble in water.

  Molecular formula:C8H5O7SNa Molecular weight:268.24 Melting point:300℃

  Structural formula:

  

  Quality index

  Item	Standard requirement
  	Premium grade	First grade product	Qualified proudct
  20% water solution	No suspended matter, no sediment clear liquid	—	—
  Chromaticity,(20% water solution,platinum—cobalt )number ≦	20	20	20
  40%EGChromaticity,(platinum—cobalt )number ≦	50	60	100
  Absorbance ≦	0.40	—	—
  Acid value,mgKOH/g	415~421	415~421	415~421
  Content,% ≧	99.0	99.0	99.0
  Sulfate(Counted by SO4)Content,mg/kg ≦	500	500	500
  Ferrum(Fe)Content,mg/kg ≦	5	8	10
  Chloride(Counted by C1)Content,mg/kg ≦	10	15	20
  Moisture,% ≦	0.50	0.50	1.0
  PH value	1.8~2.2	—	—

  S & T:It should be stored in dry and ventilated place, and avoid moisture, sunlight and fire; Avoid to place together with other chemical products.

  Packing:It is packed with polypropylene woven bag or paper bag. The net weight is 500kg, 25kg or according to customers’ demands.