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Material Safety Data Sheet: Glucono Delta Lactone

1. Identification

Product Name: Glucono Delta Lactone
Synonyms: GDL, 1,5-Gluconolactone
Chemical Formula: C6H10O6
CAS Number: 90-80-2
Recommended Use: Food additive, coagulant, acidifier
Manufacturer's Contact: Available upon request or on packaging label
Emergency Number: National Poison Control Center or local emergency services

2. Hazard Identification

Classification: Not classified as hazardous according to GHS
Main Risks: Mild irritant to eyes and skin, dust can cause respiratory irritation
Label Elements: No special pictograms or signal words required
Precautionary Statements: Avoid dust, wash hands after handling, keep out of reach of children
Exposure Symptoms: Itchy or watery eyes, sore throat, nasal symptoms, mild skin irritation

3. Composition / Information on Ingredients

Chemical Name: Glucono Delta Lactone
PURITY: >99% (by weight)
Chemical Family: Organic acid (cyclic ester)
Other Ingredients: No significant impurities or additives
Molecular Weight: 178.14 g/mol

4. First Aid Measures

Eye Contact: Immediately rinse with clean water for at least 15 minutes
Skin Contact: Wash area with soap and water, remove contaminated clothing
Inhalation: Move to fresh air, seek medical attention for respiratory symptoms
Ingestion: Rinse mouth with water, drink small amounts of water, do not induce vomiting, seek medical help if feeling unwell
Important Note: Provide medical team with product label or SDS if available

5. Fire-Fighting Measures

Suitable Extinguishing Media: Water spray, carbon dioxide (CO2), foam, dry chemical
Unsuitable Media: Avoid strong sprays that may spread the powder
Fire Hazards: Product not flammable but may decompose under heat to form carbon oxides
Protective Equipment: Use full protective gear, self-contained breathing apparatus
Special Procedures: Avoid breathing dust or decomposition fumes, handle residues as chemical waste

6. Accidental Release Measures

Personal Precautions: Avoid dust, use respiratory mask if needed, wear gloves and eye protection
Environmental Precautions: Prevent release into drains, sewers, or water bodies
Spill Cleanup: Sweep or vacuum up, avoid creating dust clouds, collect in labeled waste containers, wash area with plenty of water
Disposal: Follow regional, national, and local environmental regulations

7. Handling and Storage

Safe Handling: Use in well-ventilated spaces, minimize dust generation
Personal Hygiene: Wash hands thoroughly after handling, avoid eating or drinking around product
Storage Conditions: Store in sealed, original containers, keep dry and protected from moisture, avoid direct sunlight and high temperatures
Incompatibilities: Strong oxidizers, bases, and reducing agents

8. Exposure Controls and Personal Protection

Engineering Controls: Use local exhaust ventilation for dust control
Exposure Limits: No occupational exposure limits established for GDL
Personal Protection: Protective goggles, chemical-resistant gloves, dust mask under heavy exposure, lab coat or apron
Environmental Hygiene: Use containment and proper housekeeping to avoid release

9. Physical and Chemical Properties

Appearance: White crystalline powder
Odor: None or very faint
Odor Threshold: Not applicable
pH (1% solution): 2.5 – 3.5
Melting Point: 153–155°C
Boiling Point: Decomposes before boiling
Solubility: Soluble in water
Vapor Pressure: Not volatile
Flash Point: Nonflammable
Bulk Density: 0.7 – 0.9 g/cm³
Partition Coefficient (octanol/water): -2.5
Decomposition Temperature: 155°C+
Evaporation Rate: Not applicable

10. Stability and Reactivity

Chemical Stability: Stable under recommended storage, can hydrolyze in water
Reactivity: Low under normal use
Hazardous Reactions: None under normal conditions
Incompatible Materials: Strong oxidizers, strong bases
Hazardous Decomposition: Produces carbon dioxide and carbon monoxide under severe heat

11. Toxicological Information

Acute Toxicity: Oral LD50 (rat) > 2,000 mg/kg
Chronic Effects: Not considered carcinogenic, mutagenic, or reprotoxic at normal exposure
Target Organs: No evidence of targeted organ toxicity
Irritation: Mild to moderate irritation possible for skin, eyes, and respiratory tract
Sensitization: No reported sensitizing effects
Other Data: No cumulative toxicity in available animal studies

12. Ecological Information

Ecotoxicity: Not classified as dangerous to aquatic life
Persistence and Degradability: Completely biodegradable in the environment, breaks down to gluconic acid and water
Bioaccumulation: Low potential for bioaccumulation
Mobility: High in soil and water due to solubility
Other Adverse Effects: No known significant environmental impacts at normal usage or spill levels

13. Disposal Considerations

Waste Handling: Collect and place in appropriate labeled waste containers
Disposal Method: Dispose via municipal landfill or incineration facility in compliance with local regulations
Contaminated Packaging: Rinse containers, recycle or dispose as chemical waste
Special Precautions: Prevent large releases into surface water or drains

14. Transport Information

UN Number: Not regulated for transport
Proper Shipping Name: Glucono Delta Lactone
Hazard Class: Non-hazardous
Packing Group: None
Transport Labeling: Not required beyond standard shipment protocols
Special Precautions: Avoid container breakage and moisture exposure during transport

15. Regulatory Information

Regulatory Status: Approved food additive (E575, FDA GRAS), not regulated as hazardous
TSCA Listing: Listed
REACH Status: Pre-registered or fully registered
OSHA Status: Not classified as hazardous
EU Classification: Not classified as dangerous
Inventory Status: Listed in the chemical inventories of major markets
Other Requirements: Food-grade production and use subject to additional purity standards and traceability requirements