Chinese name: Twain 80
English name: Tween 80
CAS: 9005-65-6
Molecular formula: C24H44O6
Molecular weight: 428.6
Appearance: This product is amber oily liquid, relative density 1.00±0.05, viscosity 0.40 ~ 0.60 Pa·s (25℃), flash point 288℃, HLB value 10.0. Soluble in mineral oil, corn oil, dioxane, lysofibroin, methanol, ethanol, ethyl acetate, aniline and toluene, petroleum ether, cotton seed oil, acetone, carbon tetrachloride. It is also dissolved in 5% sulfuric acid, sodium hydroxide, sodium sulfate and aluminum chloride, dispersed in water, ether and ethylene glycol.
Melting point: -25 °C
Boiling point: >100°C
Density: 1.08 g/mL at 20 °C
Vapor pressure: <1 mm Hg (20 °C)
FEMA: 2917
Refractive index: n20/D 1.473
Flash point: >230 °F
Storage: Store at RT.
Solubility: Soluble in DMSO (solubility in water is), methanol (trace)
Form: viscous liquid
Specific gravity: 1.080 (25/4℃)
Color: Amber
PH: 5-7 (50g/l, H2O, 20℃)
Odor: mild alcoholic
Acid-base indicator color change ph range: 6
Flavor: alcoholic
Water solubility: 5-10 g/100 mL at 23 ºC
Uses: This product is widely used in oil exploitation and transportation, medicine, cosmetics, paint pigments, textiles, food, pesticides. It is used as emulsifier, dispersant, stabilizer, diffuser, lubricant, softener, antistatic agent, anti-rust agent, finishing agent, viscosity reducer and so on in the production of detergent and anti-rust cleaning of metal surface.