Sodium chondroitin sulfate

CAS Number
9082-07-9
EC Number
618-658-8

What is Sodium chondroitin sulfate?

Sodium chondroitin sulfate (CAS 9082-07-9) is a sulfated glycosaminoglycan derived primarily from bovine, porcine, or marine cartilage sources. Also marketed as chondroitin sulfate sodium salt.

Where is Sodium chondroitin sulfate used?

  • Pharmaceutical manufacturing: oral joint health supplements and prescription-grade preparations targeting cartilage support
  • Nutraceutical combination joint formulas alongside glucosamine, requiring tight specification control
  • Topical cosmetic serums and eye creams: film-forming humectant that binds moisture to the skin surface
  • Ophthalmic eye drops and surgical viscoelastic solutions for medical procedures use high-purity grades.

Good to know: Consistent molecular weight and sulfation degree are critical to product registration in pharmaceutical and nutraceutical sectors. Molecular weight fractions and source declarations are commonly specified by buyers to meet regional regulatory and labeling requirements for bovine, porcine, shark, or chicken sources.

Commercial specifications

  • Purity typically specified at 90% or higher

Other Names (Synonyms)

Sodium (beta-Glucuronic acid-(1-3)N-acetyl-beta-galactosamine-4-sulfate|Chondroitin, hydrogen sulfate, sodium salt|Sodium chondroitin polysulfate|Chondroitin polysulfate sodium|Chondron|Chondroitin Sulfate

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What are the physical properties of Sodium chondroitin sulfate?

Melting Point >205°C (dec.)
Appearance White or almost white, hygroscopic powder
Color White to Off-White
Form neat
Water Solubility H2O: soluble 50mg/mL, clear to hazy, colorless to faintly yellow
pH 5.5 to 7.5 (10g/L, 25 ℃)

Which trade and regulatory codes apply to Sodium chondroitin sulfate?

HS Code 30019090
Storage Class 13 - Non Combustible Solids
WGK (Germany) 3
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