Product Name: Alginic Acid Ester with 1,2-Propanediol
Chemical Family: Polysaccharide Derivative
Synonyms: Propylene Glycol Alginate, PGA
Recommended Use: Food additive, thickening agent, pharmaceutical applications
Manufacturer/Supplier: Food chemistry suppliers, pharmaceutical companies
Emergency Contact: Local poison control center, manufacturer helpline
GHS Classification: Not classified as hazardous under GHS criteria
Routes of Exposure: Inhalation, skin contact, eye contact, ingestion
Acute Hazards: May cause mild skin or eye irritation, possible respiratory discomfort from dust
Chronic Hazards: No expected hazards with typical use; excessive exposure may cause gastrointestinal disturbance
Pictograms: No symbol required
Signal Word: None
Precautionary Statements: Avoid generating dust, minimize skin/eye contact, store with lid closed
Chemical Identity: Alginic Acid Ester with 1,2-Propanediol
CAS Number: 9005-37-2
Content: ≥ 90% by weight
Impurities: Moisture up to 10%, minor salts, residual monomers
Hazardous Components: None above relevant thresholds for disclosure
Other Additives: None intentionally added
Inhalation: Move affected person to fresh air, keep comfortable; seek medical attention if symptoms develop
Skin Contact: Wash area thoroughly with soap and water; remove contaminated clothing
Eye Contact: Rinse eyes gently with water for 15 minutes, lift eyelids occasionally; seek medical attention for persistent irritation
Ingestion: Rinse mouth; offer water to drink if person is conscious—do not induce vomiting. Get medical attention if unwell
Most Important Symptoms/Effects: Mild irritation possible; seek medical help if concerned
Suitable Extinguishing Media: Water spray, dry chemical, carbon dioxide, foam
Unsuitable Media: High-pressure water streams may spread dust
Specific Hazards Arising from Product: Burning may release carbon monoxide, carbon dioxide, possible organic fumes
Protective Equipment for Firefighters: Wear full protective gear and self-contained breathing apparatus
Special Precautions: Avoid inhaling combustion products; cool surrounding containers with water spray
Personal Precautions: Avoid breathing dust; ventilate area; use protective gloves and goggles
Environmental Precautions: Prevent entry into sewers or waterways
Containment: Sweep or vacuum gently to minimize airborne dust; use wet methods if possible for large spills
Cleanup Methods: Collect material in containers for disposal; wash area with water to remove residues
Waste Disposal: Dispose of according to local regulations; do not allow to drain into open water
Handling: Use in well-ventilated areas; avoid creating dust clouds; handle with dry hands; avoid eating, drinking, or smoking when handling
Storage: Store in dry, cool conditions below 25°C; keep tightly closed; protect from moisture; keep away from oxidizing agents and strong acids
Specific Requirements: Keep containers labeled; avoid stacking heavy loads on top
Occupational Exposure Limits: No exposure limits established for this product; treat as nuisance dust (10 mg/m³ total, 3 mg/m³ respirable)
Engineering Controls: Use local exhaust ventilation if needed; keep containers sealed
Respiratory Protection: NIOSH-approved dust mask for heavy dust
Eye Protection: Safety glasses with side shields
Skin Protection: Protective gloves (latex, nitrile or PVC); wear long sleeves if handling bulk material
Hygiene Measures: Wash hands after handling; do not eat or drink in work area; remove contaminated clothing before leaving workplace
Physical State: Powder or granular
Color: Off-white to light yellow
Odor: Slight, characteristic
pH: Typically 3-5 (1% solution)
Melting Point/Freezing Point: Decomposes
Solubility: Disperses in water forming colloidal solutions/viscous gels; insoluble in alcohol and oils
Partition Coefficient: Not established
Boiling Point: Not applicable
Flash Point: Not applicable
Vapor Pressure: Not applicable
Density: 1.3 – 1.5 g/cm³ (bulk)
Decomposition Temperature: >200°C (decomposes)
Chemical Stability: Stable under recommended conditions
Hazardous Reactions: None reported under normal uses
Conditions to Avoid: High humidity, open flames, strong oxidizers
Incompatible Materials: Strong acids, strong bases, oxidizers
Decomposition Products: Carbon oxides, organic fumes
Polymerization: Will not occur
Acute Toxicity: Low oral toxicity; LD50 (oral, rat) >5,000 mg/kg
Skin Corrosion/Irritation: Not classified as skin irritant, mild irritation possible
Eye Damage/Irritation: Not classified as eye irritant, may cause slight discomfort
Sensitization: Not a known sensitizer
Repeated Dose Toxicity: No known effects from long-term exposure
Carcinogenicity: Not listed by IARC, NTP, OSHA
Mutagenicity: No evidence
Reproductive Toxicity: No evidence of reproductive harm
Ecotoxicity: Product is biodegradable, low aquatic toxicity expected
Bioaccumulation: Not expected to bioaccumulate
Mobility in Soil: High mobility in water; forms colloidal dispersions
Persistence and Degradability: Biodegradable under standard environmental conditions
Other Adverse Effects: No adverse environmental effects anticipated; avoid uncontrolled release to the environment
Product Disposal: Treat as non-hazardous industrial waste; use landfill or approved incinerators
Container Disposal: Triple rinse, then dispose or recycle according to regulations
Disposal Requirements: Follow local and national regulations; do not release into streams, rivers, or public sewers
Special Precautions: Avoid creating dust during disposal
UN Number: Not classified as hazardous for transport
UN Proper Shipping Name: Not regulated
Transport Hazard Class: Not applicable
Packing Group: Not applicable
Environmental Hazards: Not a marine pollutant
Bulk Transport: Not regulated; standard packaging is suitable
Special Precautions: Keep container dry and closed during transport
Safety, Health, and Environmental Regulations: Complies with food and pharmaceutical additive guidelines in EU, US, and other major markets
OSHA Hazard Communication Standard: Not hazardous
TSCA Inventory: Listed
EINECS Number: 618-387-5
REACH Status: Exempt as a polysaccharide
FDA Status: Approved as a food additive (21 CFR 184.1660)
Other Listings: Approved for use in food and pharma by FAO/WHO Codex, JECFA
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