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Product Name: Glucose Isomerase
Synonyms: Xylose Isomerase, GI Enzyme
CAS Number: 9023-82-3
Product Use: Industrial production of high-fructose corn syrup and related applications in food and biotechnology sectors
Supplier Information: Manufacturer name, full address, emergency telephone number, business contact details
Recommended Restrictions: Not for direct use in consumer food products without further processing
Classification: Non-hazardous for typical use, possible respiratory sensitizer if inhaled as a dust or aerosol
Label Elements: Signal word: Warning
Hazard Statements: May cause allergy or asthma symptoms if inhaled, can trigger respiratory irritation, may aggravate pre-existing asthma
Precautionary Statements: Avoid breathing dust, use in well-ventilated area, wash exposed skin after handling, minimize dust generation
Other Hazards: Enzymes present risk for allergies with repeated unprotected exposure, risk increases where ventilation is inadequate
Chemical Identity: Glucose Isomerase Enzyme Preparation
CAS Number: 9023-82-3
Component: Glucose Isomerase protein, generally derived from Streptomyces or Actinoplanes species
Concentration: Active protein concentration varies (usually 5-30% for commercial preparations); remainder includes water, stabilizing agents such as salts
Other Ingredients: Small amounts of carrier materials, non-hazardous buffers, sodium chloride, calcium ions, no known carcinogens or reproductive toxins
Inhalation: Move person to fresh air and keep at rest in position comfortable for breathing; call medical attention if irritation, wheezing, or shortness of breath occurs
Skin Contact: Remove contaminated clothing and shoes; rinse skin with plenty of water and soap
Eye Contact: Rinse cautiously with water for at least 15 minutes; remove contact lenses if present and easy to do
Ingestion: Rinse mouth with water; seek advice from medical professional if feeling unwell
Most Important Symptoms: Coughing, sneezing, or signs of sensitization in exposed individuals
Protection for First Aiders: Use gloves, avoid breathing dust, use mask or respirator if exposure is heavy
Suitable Extinguishing Media: Dry chemical, CO₂, foam, water spray
Unsuitable Extinguishing Media: Direct jet of water if powder is present (may spread material)
Specific Hazards from Combustion: May produce carbon oxides, nitrogen oxides, and irritating fumes in fire
Special Protective Equipment: Full protective gear and self-contained breathing apparatus for large fires
Additional Firefighting Recommendations: Stay upwind to avoid breathing vapors and dust, prevent run-off contaminated water into sewers or waterways
Personal Precautions: Wear appropriate respiratory and skin protection, ensure adequate ventilation
Environmental Precautions: Prevent further leakage if safe, avoid entry of product into drains, surface or groundwater
Methods for Clean-Up: Avoid dry sweeping that creates dust, use a vacuum with HEPA filter or thoroughly wet before cleaning, collect in suitable container for disposal
Additional Advice: Wash area with soap and water after material pick-up, ventilate area to clear airborne particles
Handling: Use in ventilated area to reduce exposure, minimize dust generation, wash hands before eating, drinking, or smoking following contact
Storage Conditions: Store in cool, dry, well-ventilated location, keep tightly closed in original packaging, store away from strong acids, bases, and oxidizers
Incompatible Materials: Reacts with strong oxidizing agents, acids may cause denaturation of enzyme
Specific Uses: Only for industrial and laboratory use in controlled environments
Engineering Controls: Local exhaust ventilation to control dust and aerosols, process enclosures for large scale operations
Personal Protective Equipment (PPE): Respiratory mask (N95 or equivalent) for dust/aerosol exposure, safety glasses or goggles, nitrile gloves, lab coats or coveralls for skin protection
Hygiene Measures: Wash hands and face after handling, do not eat or drink near product, remove contaminated clothing
Exposure Limits: No official occupational exposure limits for this specific enzyme; minimize exposure as for proteinaceous dusts
Environmental Controls: Procedures in place to prevent release to environment from spills or process waste
Form: Powder, granules, or immobilized resin
Color: Yellow-brown or off-white
Odor: Faint, characteristic proteinaceous smell
Odor Threshold: Not established
pH: Usually neutral (6.0-8.0 in suspension, varies with carrier)
Melting/Freezing Point: Not applicable (denatures before melting)
Boiling Point: Decomposes before boiling
Solubility: Only partly soluble in water, enzyme often immobilized
Specific Gravity: 1.0-1.2 (approximate)
Vapor Pressure: Not applicable
Evaporation Rate: Not applicable
Partition Coefficient: Not applicable
Auto-ignition Temperature: Not established
Decomposition Temperature: Above 60–80°C depending on formulation
Chemical Stability: Stable under recommended storage and handling conditions
Reactivity: Inactive in strong acids or bases
Possibility of Hazardous Reactions: None under normal processing, high temperature leads to enzyme denaturation
Conditions to Avoid: Excess heat, exposure to acids, oxidizers, moisture when in powdered form
Incompatible Materials: Strong oxidizing agents, prolonged contact with acids and bases
Hazardous Decomposition Products: Carbon oxides, nitrogen oxides, small amounts of ammonia if burned
Routes of Exposure: Inhalation, eye or skin contact
Acute Toxicity: Not expected to be acutely toxic at typical concentrations
Chronic Effects: Repeated exposure can cause allergic asthma and respiratory sensitization
Skin/Eye Irritation: May cause irritation, especially in persons with pre-existing sensitivities
Ingestion Toxicity: Not considered toxic by ingestion under normal conditions
Carcinogenicity/Reproductive Toxicity: Not identified as a carcinogen or reproductive toxin by ACGIH, NTP, IARC, or OSHA
Other Data: Sensitization risk from dust exposure is well documented for many industrial enzymes including this one
Toxicity: Glucose isomerase is a protein and quickly degrades in the environment, risk to aquatic systems is low
Persistence and Degradability: Enzyme denatures and breaks down into amino acids or small peptides
Bioaccumulation Potential: Does not bioaccumulate
Mobility in Soil: Enzyme binds to soil particles, not highly mobile
Other Adverse Effects: No specific long-term ecological risks reported from controlled use
Waste Treatment Methods: Dispose of unused or waste enzyme through chemical waste streams in accordance with local regulations
Contaminated Packaging: Rinse containers before recycling or disposal, follow guidelines for non-hazardous laboratory waste
Special Disposal Precautions: Avoid release to waterways, use approved incineration or landfill sites where permitted, consult regulatory authorities for proper disposal in each locale
UN Number: Not regulated as hazardous material under current transportation requirements
UN Proper Shipping Name: Not classified as dangerous goods
Transport Hazard Class: Not assigned
Packing Group: Not assigned
Environmental Hazards: Not a marine pollutant
Transport Precautions: Avoid container damage, shipment in original packaging, keep dry and cool
Inventory Status: Listed on major chemical inventories (TSCA, EINECS, DSL)
Labeling Requirements: Respirable enzyme dusts require respiratory allergen warnings
OSHA Status: Not classified as hazardous, handle as proteinaceous dust
Other Regulation: Food and Drug Administration considers product generally recognized as safe for specific industrial food processing
Workplace Controls: Employers must follow local regulations for enzyme dust exposure management and employee safety training
West Ujimqin Banner, Xilingol League, Inner Mongolia, China
