Epoxidized soybean oil / ESO

CAS 8013-07-8

Epoxidized soybean oil / ESO CAS 8013-07-8

Chemical Properties Of Epoxidized soybean oil CAS 8013-07-8

Epoxidized soybean oil (CAS: 8013-07-8, ESO) is a bio-based epoxy compound produced by the epoxidation of refined soybean oil. Its molecular formula is C₅₇H₉₈O₁₂, and its molecular weight is approximately 975.38. ESO is a pale yellow to amber-colored, transparent, viscous, oily liquid with a faint vegetable oil odor. It is internationally recognized as a non-toxic, environmentally friendly plastic additive. The product is classified by purity into industrial grade (≥98%) and food/medical grade (≥99%), and by epoxide value into standard grade (≥6.0%) and high epoxide value grade (≥6.5%).

Product Description Of Epoxidized soybean oil CAS 8013-07-8

Boiling point>150°C
Density0.997 g/mL (lit.)
Vapor pressure0 Pa at 25°C
Freezing point-4°C
Refractive indexn20/D 1.484 (lit.)
Flash point>230°F
Solubilitychloroform (slightly soluble), methanol (slightly soluble)
Water solubility20 ng/L at 20°C

Product Application Of Epoxidized soybean oil CAS 8013-07-8

  1. PVC Plastics Industry: ESO Plasticizer is widely used in food packaging, medical consumables, children’s rubber and plastic products, wires and cables, synthetic leather, sealing strips, and more.
  2. Coatings, Inks, and Adhesives: ESBO serves as an eco-friendly additive to enhance the flexibility, adhesion, and weather resistance of paint films; improve ink leveling; and boost the heat and water resistance of adhesives, making them compatible with low-VOC eco-friendly systems.
  3. Polymer Modification: Epoxidized soybean oil is used to modify rubber, epoxy resins, and polyurethanes; when combined with biodegradable plastics such as PLA, it improves material compatibility and impact resistance.
  4. Other Industrial Applications: It can serve as a leather softener and gloss enhancer, as well as an antioxidant additive for lubricants; when combined with calcium-zinc stabilizers, it forms a composite stabilizing system, and is also used to modify environmentally friendly, biodegradable agricultural film materials.
Packaging Method Of Epoxidized soybean oil CAS 8013-07-8
25L - plastic barrel
Ton barrel
250L-barrel
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