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Sodium Starch Glycolate

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Sodium Starch Glycolate (SSG) is a white to off-white, odorless, tasteless powder derived from potato or maize starch and chemically modified with carboxymethylation and cross-linking. It has the chemical formula (C₆H₁₀O₅)nNa and is widely used in solid dosage pharmaceutical formulations as a superdisintegrant. This 25kg grade is supplied in high-purity pharmaceutical and food-grade quality, offering excellent swelling capacity and rapid disintegration properties even at low concentrations.

Description

Sodium Starch Glycolate

Primary Uses 

  1. Pharmaceutical Industry
  • Tablet Disintegrant: Promotes rapid breakup of tablets in the gastrointestinal tract for improved bioavailability.
  • Capsule Disintegrant: Enhances dissolution of active ingredients in hard and soft gelatin capsules.
  • Granule Disintegrant: Used in multi-particulate systems such as sachets or sprinkle formulations.
  • Direct Compression Formulations: Enhances flowability and compressibility of powder blends.
  • Modified Release Formulations: Used in fast-dissolving or orally disintegrating tablets (ODTs).
  • Effervescent Tablets: Facilitates rapid dissolution along with effervescence.
  • Nutraceutical Tablets: Widely used in dietary supplements, vitamins, and herbal tablets.
  1. Food Industry
  • Food Additive: Used as a processing aid or disintegrant in chewable dietary supplements.
  • Carrier for Flavors or Nutrients: Occasionally employed to aid dispersion of encapsulated flavors.
  • Starch Replacement: In limited food-grade applications for specialty powder formulations.
  1. Cosmetic & Personal Care
  • Powdered Cosmetic Products: Improves texture, spreadability, and moisture absorption in talc substitutes or facial powders.
  • Topical Tablets or Patches: Disintegrates rapidly when exposed to moisture, aiding in rapid release of actives.
  1. Veterinary Medicine
  • Animal Tablets and Boluses: Used in pet or livestock tablets to enhance disintegration in digestive tract.
  • Nutritional Supplements for Animals: Aids in dispersion of vitamins and minerals.

Secondary Uses

  1. Industrial Applications
  • Binder/Disintegrant in Specialty Chemicals: Occasionally used in powder-pressed catalysts or enzymatic tablets.
  • Biodegradable Plastics Additive: Explored in biopolymer formulations for improving disintegration profile.
  1. Agricultural Products
  • Seed Coatings (Experimental): Enhances moisture activation in germination-accelerating coatings.
  • Pesticide Tablet Formulations: Used as a disintegrant in slow-release pesticide tablets.
  1. Research & Laboratory
  • Drug Formulation Testing: Common excipient in pharmaceutical formulation development.
  • In-vitro Dissolution Studies: Utilized in the design of model tablets for research applications.
KEY PRODUCT FEATURES

1. Basic Identification Attributes

  • Chemical Name (IUPAC): Sodium salt of a carboxymethyl ether of starch
  • Common/Trade Name: Sodium Starch Glycolate (SSG)
  • CAS Number: 9005-25-8 (starch base), 9063-38-1 (SSG)
  • HS Code: 3505.10.00
  • Synonyms: Carboxymethyl starch sodium salt, Cross-linked carboxymethyl starch sodium

2. Physical & Chemical Properties

  • Physical State: Free-flowing hygroscopic powder
  • Color & Odor: White to off-white; odorless
  • Solubility: Practically insoluble in water; swells extensively
  • Moisture Content: ≤10%
  • Particle Size: 90% < 100 µm (typical)
  • pH (1% dispersion): 5.5–7.5
  • Swelling Capacity: Can swell 20–30 times its weight in water

3. Safety & Hazard Attributes

  • GHS Classification: Not classified as hazardous
  • Toxicity: LD₅₀ (oral, rat) > 5000 mg/kg
  • Exposure Limits: Not established; general dust exposure limits apply
  • Allergen Status: Derived from non-gluten sources (e.g., potato or maize)

4. Storage & Handling Attributes

  • Storage Conditions: Store in cool, dry, well-ventilated area; protect from moisture
  • Container Type: 25kg fiber drums or multi-wall paper bags with polyethylene liner
  • Shelf Life: 24–36 months in original sealed packaging
  • Handling Precautions: Avoid dust generation; use in controlled environments

5. Regulatory & Compliance Attributes

  • Pharmacopoeia Compliance:
    • USP/NF, Ph.Eur, JP, IP compliant grades available
  • Food Additive Status: Approved for food supplement use in several jurisdictions
  • REACH Exempt (natural polymer)
  • GRAS Status: Generally Recognized as Safe for intended uses
  • Halal, Kosher, and Non-GMO Grades: Available from specific suppliers

6. Environmental & Health Impact

  • Biodegradability: Fully biodegradable
  • Ecotoxicity: Not harmful to aquatic or terrestrial life
  • Bioaccumulation: Not expected
  • Aquatic Impact: Negligible at typical use concentrations
SAFETY HANDLING PRECAUTIONS

Safety Handling Precautions

  • PPE Required: Dust mask, gloves, safety goggles in bulk handling
  • Handling Guidelines: Use dust control systems; avoid inhalation
  • Storage Measures: Store in sealed packaging; avoid exposure to humidity

First Aid Measures

  • Inhalation: Move to fresh air; seek medical help if symptoms persist
  • Skin Contact: Wash with water; no known irritation
  • Eye Contact: Rinse thoroughly with water; seek help if irritation occurs
  • Ingestion: Non-toxic; rinse mouth and drink water if large amount is ingested

Firefighting Measures

  • Fire Hazards: Combustible dust in large quantities
  • Extinguishing Media: Water spray, dry chemical, foam
  • Hazardous Combustion Products: Carbon oxides (CO, CO₂)