China Factory Supply Best Quality CAS 6381-77-7 Food Antioxidant Sodium Erythorbate. High Purity Standard: Assay Min.98.0% w/w, complying with FCC and GRAS status for food safety. Natural Resource Source: Derived from natural resources, suitable for food additive applications. Flexible Customization: Offers customization from samples, designs, and minor adjustments for packaging. Fast Delivery: Arranges shipment within 3-20 days depending on order quantity. Comprehensive Documentation: Provides Commercial Invoice, Packing List, COA, Health Certificate, and Origin Certificate. Free Sample Available: Provides free samples upon price agreement, buyer pays delivery fee. Long Shelf Life: Product shelf life exceeds 12 months with normal storage methods. Professional Support: Sales manager contact within 24 hours for any inquiries or support.