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Home » Product Directory » Chemicals » Organic Chemicals » Organic Intermediate » 5-Sodiumsulfa Bis-Isophthalate

5-Sodiumsulfa Bis-Isophthalate

5-Sodiumsulfa Bis-Isophthalate

Product Description

Molecular formula: C12H13O9SNa

Molecular weight: 356.29

Technical index:
Appearance: Clear mucus Clear mucus
Purity: 40% EG solution 20% EG solution
Saponification value: 126±2mgKOH/g 63±2mgKOH/g
Fe: ¡Ü2.5ppm ¡Ü2.5ppm
Water: ¡Ü0.5% ¡Ü0.5%
Acid value: ¡Ü1.0mgKOH/g ¡Ü1.0mgKOH/g
Ash Content: 7.9±0.2%(w/w) 4.0±0.2%(w/w)

Use:
It is mainly used in the synthesis of polyester. As the third monomer, it can improve the ability of polyester procession and its dying. Comparing with SIPM when being added as the third monomer it hardly produces methanol, which can reduces production costs and industrial polltion.

   
Company: Shandong Ocean Chemical Imp And Exp Co., Ltd

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