Description

Erythrobic Acid is a highly effective antioxidant and reducing agent, chemically known as D-isoascorbic acid. Its primary commercial value lies in its ability to prevent oxidation and color deterioration in a wide range of products, thereby extending shelf life and maintaining quality. This compound is essential for manufacturers in the food and beverage, pharmaceutical, and cosmetic industries who require a safe and potent preservative solution.

Application

• Food Preservation: Used as an antioxidant in processed meats (like sausages and cured meats), canned fruits and vegetables, beverages, and baked goods to prevent browning and rancidity.
• Pharmaceutical Excipient: Serves as a stabilizer and antioxidant in various drug formulations, including injectables and tablets, to protect active pharmaceutical ingredients from oxidative degradation.
• Cosmetic & Personal Care: Incorporated into skincare products, creams, and lotions to stabilize formulations and protect against oxidation of oils and fragrances.
• Industrial Applications: Acts as a reducing agent in certain chemical synthesis processes and in water treatment applications.
• Animal Feed Additive: Utilized to preserve the nutritional quality and prevent spoilage in feed products.

Basic Information

Product Name	Erythrobic Acid
CAS No.	98966-42-8
Molecular Formula	C6H8O6
Molecular Weight	176.12 g/mol
Synonyms	D-isoascorbic acid; D-Araboascorbic acid; Erythorbic Acid; Isoascorbic Acid; D-Erythro-hex-2-enonic acid, γ-lactone; NSC 8117; E 315 (food additive code)
EINECS	Contact for details

Quality Control

Our Erythrobic Acid is manufactured under strict quality management systems. We offer grades compliant with FCC (Food Chemicals Codex) and can tailor specifications to meet pharmaceutical (USP/EP) requirements. Every batch undergoes rigorous analytical testing to ensure identity, purity, and safety. A comprehensive Certificate of Analysis (COA) is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and easily oxidized; prolonged exposure to air, moisture, or heat should be avoided to maintain stability and efficacy.

Specification

Item	Specification
Appearance	White or slightly yellow crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	98.0% - 101.0%
Melting Point	Approx. 164 - 172°C (with decomposition)
Specific Rotation	-16.5° to -18.0°
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.