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Material Safety Data Sheet for Maltose

Identification

Product Name: Maltose
Chemical Name: α-D-glucopyranosyl-(1→4)-D-glucose
Common Synonyms: Malt sugar, 4-O-α-D-glucopyranosyl-D-glucose
CAS Number: 69-79-4
Recommended Use: Food additive, biochemical research, fermentation processes, pharmaceutical preparations
Supplier Information: Supplier address, contact details, and emergency number go here. Industry standards require accurate supplier identification for clear traceability and regulatory compliance.

Hazard Identification

Classification: Non-hazardous under GHS; not classified as dangerous for supply
Label Elements: None required; no signal word or hazard pictograms
Physical Hazards: Dust formation can cause a combustible dust hazard in air in certain conditions
Health Hazards: Non-toxic, not expected to cause irritation to skin or eyes; ingestion of large amounts may produce mild gastrointestinal irritation
Environmental Hazards: Not hazardous, fully biodegradable, and does not accumulate in living organisms; high concentrations in drains may support microbial growth

Composition / Information on Ingredients

Substance: Maltose
Purity: Typically above 98%
Impurities: Trace levels of glucose and other carbohydrates below 2%
Formula: C12H22O11
Molecular Weight: 342.30 g/mol
Component Disclosure: Contains no allergens, preservatives, or hazardous additives; no substances of very high concern (SVHCs) present

First Aid Measures

Inhalation: If dust inhaled, move person to fresh air, keep at rest for comfort, seek medical advice for persistent discomfort
Skin Contact: Wash exposed skin with soap and water, remove contaminated clothing and launder before reuse; seek medical attention if irritation persists
Eye Contact: Rinse thoroughly with running water for at least 10 minutes, keep eyelids open, and consult a physician if symptoms develop
Ingestion: Rinse mouth with water and drink plenty of water; medical attention is rarely required unless large quantities are ingested and discomfort occurs
Advice for Physician: Symptomatic treatment as needed; no known specific antidote

Fire-Fighting Measures

Suitable Extinguishing Media: Use water spray, carbon dioxide, dry chemical, or foam as appropriate for surrounding fire
Specific Hazards: Sugar dust may form explosive mixtures with air; avoid creating airborne dust and ignition sources
Protective Equipment: Firefighters should wear self-contained breathing apparatus and full protective clothing to prevent skin and eye contact
Combustion Products: Produces carbon monoxide and carbon dioxide if burned at high temperatures
Fire Fighting Instructions: Move containers from fire area if it can be done safely; use water to keep exposed containers cool

Accidental Release Measures

Personal Precautions: Avoid dust formation and inhalation; provide adequate ventilation; use appropriate personal protective equipment, such as dust masks and safety goggles
Environmental Precautions: Prevent material from entering sewers in bulk; avoid spillage into natural waterways to reduce biochemical oxygen demand
Spill Cleanup Methods: Sweep up and collect in suitable containers; clean area with copious water; wash residue to drain with plenty of water
Reference to Other Sections: For disposal information see Disposal Considerations

Handling and Storage

Safe Handling Advice: Handle in accordance with good industrial hygiene and safety practices, minimize dust generation, avoid breathing in dust, work in well-ventilated areas, keep containers tightly closed, and wash hands before eating or using the restroom
Storage Conditions: Store in a cool, dry area away from sources of ignition and moisture, keep away from strong oxidizing agents
Specific Use: For food, laboratory, or pharmaceutical use only; not for use in explosive environments
Incompatible Materials: Strong acids, strong bases, oxidizing agents

Exposure Controls and Personal Protection

Exposure Limits: No occupational exposure limits established for maltose by OSHA, ACGIH, or NIOSH; respect dust limits for nuisance particulates (PNOC) at 10 mg/m³ (total dust)
Engineering Controls: Provide local exhaust to control airborne dust; use process enclosures, local ventilation, or other engineering controls to control dust exposure
Personal Protective Equipment: Wear approved dust masks or respirators in dusty environments; wear protective goggles to prevent eye contact; use gloves to avoid skin exposure during prolonged handling
Hygiene Measures: Do not eat, drink, or smoke while working with maltose; wash hands and exposed skin after handling

Physical and Chemical Properties

Appearance: White crystalline powder
Odor: Odorless
Odor threshold: Not applicable
pH (1% solution): 4.5 - 7.0
Melting point/freezing point: Decomposes above 102°C (without melting)
Boiling point: Not applicable (decomposes)
Flash point: Not determined (not a liquid)
Evaporation rate: Not applicable
Flammability: Dust may form flammable mixtures with air
Vapor pressure: Not applicable
Vapor density: Not applicable
Relative density: 1.54 g/cm³
Solubility: Approximately 1080 g/L in water at 20°C
Partition coefficient (n-octanol/water): Not determined
Auto-ignition temperature: No data, likely above 230°C
Decomposition temperature: Begins to decompose above 102°C
Viscosity: Not applicable

Stability and Reactivity

Reactivity: Stable under normal handling and storage conditions with minimal chance of hazardous reactions
Chemical Stability: Stable for at least two years if kept dry and cool
Hazardous Reactions: Dust can form explosive mixtures with air in enclosed spaces; avoid generating dust clouds
Incompatible Materials: Avoid contact with strong acids, bases, and oxidizing agents
Decomposition Products: On decomposition, releases carbon monoxide, carbon dioxide, water vapor, and sometimes small amounts of acrolein

Toxicological Information

Acute Toxicity: LD50 (oral, rat) >10,000 mg/kg; essentially non-toxic
Skin Corrosion/Irritation: Not irritating to intact skin in animal studies
Eye Damage/Irritation: Non-irritant in normal use; mechanical irritation is possible from dust
Respiratory Sensitization: Not a sensitizer; dust may irritate upper respiratory tract if exposure is severe or prolonged
Germ Cell Mutagenicity: Negative in available in vitro and in vivo tests
Carcinogenicity: No evidence of carcinogenic effects in long-term studies
Reproductive Toxicity: No evidence of reproductive or developmental harm
STOT (Single/Repeated): Not a target organ toxicant, no effects expected

Ecological Information

Ecotoxicity: Product is biodegradable in soil and water; not classified as hazardous to aquatic organisms
Persistence and Degradability: Readily broken down by microorganisms within days
Bioaccumulative Potential: Not bioaccumulative, does not persist in food chains
Mobility in Soil: Highly soluble in water; does not adsorb to soil or sediment
Results of PBT/vPvB Assessment: Not considered persistent, bioaccumulative, or toxic
Other Adverse Effects: Large spills may cause localized increases in biological oxygen demand (BOD) in water, which can deplete oxygen for aquatic life

Disposal Considerations

Waste Disposal Methods: Dispose of in accordance with local, regional, and national regulations; sweep up residues and place in containers for landfill or incineration
Contaminated Packaging: Rinse empty containers with water before recycling or discarding; ensure packaging waste is classified correctly as non-hazardous
Additional Notes: Large quantities should not be flushed directly to drains; recovery and recycling preferred if feasible

Transport Information

UN Number: Not regulated
Proper Shipping Name: Not assigned
Transport Hazard Class: Not classified as dangerous goods
Packing Group: Not applicable
Marine Pollutant: No
Special Precautions: Protect from moisture during transit to prevent caking and clumping; avoid stacking heavy loads on top of product to prevent ruptures

Regulatory Information

OSHA Status: Not hazardous; not listed as a hazardous chemical under the OSHA Hazard Communication Standard
TSCA: Listed on TSCA inventory
EU Regulations: Exempt from REACH registration as a simple sugar
Canadian DSL: Listed on DSL
Other Inventories: Listed in Australia, Japan, Korea, Philippines, and China inventories
Label Requirements: No special hazard labeling required under GHS or other major international systems