Polyoxyethylene (40) stearate E431
synthetic β Primarily synthetic.
Polyoxyethylene (40) stearate
CAS: 9004-99-3
Factual Regulatory Reference
This database provides factual regulatory information compiled from official government sources. It does not constitute medical, nutritional, or safety advice. Regulatory status varies by country and is subject to change. Always refer to your local regulatory authority for the most current information.
? Did You Know?
Beyond food, Polyoxyethylene (40) stearate is also used in cosmetics, medicine. Its versatility makes it one of the most multi-purpose chemical compounds in everyday life.
In the EU, Polyoxyethylene (40) stearate has a "quantum satis" authorization β Latin for "as much as needed." This means there's no specific maximum limit; manufacturers use only what's technologically necessary.
Detailed Regulatory Assessment
European Union (EFSA)
Permitted in specified food categories
United States (FDA)
Regulated as a direct food additive under FDA CFR titles.
Japan (MHLW)
Compliant with Japanese food sanitation law.
Acceptable Daily Intake (ADI)
International Standard (JECFA)
mg/kg body weight per day
European Standard (EFSA)
Natural Occurrence
This additive is not known to occur naturally in significant quantities.
Manufacturing
Produced by esterification of stearic acid with polyethylene glycol containing approximately 40 units of ethylene oxide. The stearic acid can be sourced from vegetable oils (typically palm or coconut) or animal fats.
Applications Beyond Food
Commonly used in cosmetic creams, lotions, and skincare products as an emulsifier and surfactant.
Used in pharmaceutical formulations as an emulsifying agent and tablet excipient.