Description

L-Octaguluronic Acid Octasodium Salt is a high-purity, water-soluble polysaccharide derivative, specifically the octasodium salt form of octaguluronic acid. This compound is valued for its exceptional chelating and sequestering properties, making it a critical component in formulations requiring precise control of metal ions. It is primarily utilized by manufacturers in the pharmaceutical, cosmetic, and advanced material science industries for research, development, and production.

Application

• Pharmaceutical Excipient: Used as a stabilizer, chelating agent, or bioavailability enhancer in drug formulations and controlled-release systems.
• Cosmetic & Personal Care: Functions as a skin-conditioning agent, viscosity modifier, and sequestrant in creams, lotions, and serums.
• Biomedical Research: Serves as a model compound or substrate in enzymatic studies, carbohydrate chemistry research, and hydrogel development.
• Food Science (Research Grade): Investigated for potential use as a dietary fiber supplement, texturizing agent, or mineral carrier in functional foods.
• Industrial Chelation: Applied in specialty water treatment formulations and as a metal ion control agent in specific chemical processes.
• Material Science: Used in the synthesis of functional polymers, biocompatible coatings, and advanced nanomaterials.

Basic Information

Product Name	L-Octaguluronic Acid Octasodium Salt
CAS No.	862694-88-0
Molecular Formula	C48H56Na8O56 (Tentative, contact for details)
Molecular Weight	Contact for details
Synonyms	Octasodium L-Octaguluronate; Poly(α-L-guluronic acid) octasodium salt; Sodium Alginate Oligomer (G-block rich); Octaguluronic Acid Sodium Salt; L-Guluronan Octasodium Salt; (1→4)-α-L-Guluronan Octasodium Salt; G8 Octasodium Salt
EINECS	Contact for details

Quality Control

Our L-Octaguluronic Acid Octasodium Salt is manufactured under strict quality management systems. Each batch is subjected to comprehensive analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets stringent specifications for research and industrial use. Certificates of Analysis (COA) detailing purity, assay, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); the container must be kept tightly sealed after opening to prevent absorption of atmospheric moisture, which may affect quality.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Heavy Metals (as Pb)	≤ 10 ppm
Residue on Ignition (Sulfated Ash)	30.0% - 40.0%
Microbiological Control (TAMC)	≤ 1000 cfu/g

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