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West Ujimqin Banner, Xilingol League, Inner Mongolia, China
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Product Name: Konjac Glucomannan
Chemical Name: Glucomannan polysaccharide
Synonyms: Amorphophallus konjac extract, Konjac gum
Recommended Use: Food additive, dietary fiber, thickener
Manufacturer Contact Info: Manufacturer address, telephone number, and emergency phone number provided directly by supplier
CAS Number: 37220-17-0
UN Number: Not classified as hazardous under transport regulations
GHS Classification: Not classified as hazardous
Main Hazards: Dust can irritate eyes, respiratory system if inhaled in large amounts; ingestion in excessive amounts may cause gastrointestinal discomfort
Signal Word: None required
Hazard Statements: Inhalation may cause sneezing or coughing; direct eye contact may irritate
Precautionary Statements: Avoid creating or breathing dust; use in well-ventilated areas
Ingredient: Konjac Glucomannan
Chemical Formula: (C6H10O5)n
Concentration: 100% pure, food grade
Impurities: None known for food/pharmaceutical grade
Inhalation: Remove affected person to fresh air; provide water for gargling if mild irritation occurs; seek medical attention if symptoms persist or worsen
Skin Contact: Wash off with soap and water; contact dermatitis is rare; if irritation develops, get medical advice
Eye Contact: Flush eyes gently with running water for several minutes; remove contact lenses if present and continue rinsing; seek attention if symptoms do not subside
Ingestion: Rinse mouth with water; if large amounts cause choking or discomfort, seek medical help
Most Important Symptoms: Mechanical irritation due to dust; risk of intestinal blockage after excessive ingestion
Advice for Physicians: Treat symptomatically; monitor for blockage if large amounts ingested
Suitable Extinguishing Media: Water spray, foam, dry chemical, or CO2
Unsuitable Media: Avoid high-pressure water jet to prevent dust cloud
Hazards from Combustion: Burning releases carbon oxides and minor organic compounds; dust can form explosive mixtures with air
Special Protective Equipment: Wear self-contained breathing apparatus and protective clothing; avoid inhalation of combustion gases
Advice for Firefighters: Move containers from risk area if safe to do so; prevent run-off from entering watercourses
Personal Precautions: Avoid breathing dust; use personal protective equipment such as masks and goggles; keep away from ignition sources
Environmental Precautions: Prevent release into drains or watercourses; sweep up spills and dispose in accordance with local regulations
Clean-Up Methods: Vacuum or sweep up the powder; dampen to avoid airborne dust; use non-sparking tools in dusty environments
Other Advice: Ventilate area after large spills
Handling: Minimize creation of dust; handle with local exhaust ventilation; keep containers closed to prevent moisture uptake
Storage: Store in tightly sealed containers, preferably in a dry, cool, well-ventilated area; protect from sunlight and strong odors; keep away from incompatible substances such as strong oxidizers
Hygiene Measures: Wash hands after handling and before eating; avoid inhaling dust
Special Requirements: Use explosion-proof electrical equipment in storage areas if dust concentration can build up
Control Parameters: No specific occupational exposure limits established
Engineering Controls: Use adequate ventilation, possible local exhaust in processing and packaging areas
Personal Protective Equipment: Respiratory: Dust mask if ventilation inadequate; Eyes: Safety goggles; Hands: Nitrile gloves if extended contact
Personal Hygiene: Change contaminated clothes; clean skin thoroughly after work
Appearance: White to off-white powder
Odor: Odorless or faint plant-like
pH: 5.0 – 7.0 (1% aqueous solution)
Solubility: Swells in water, forming gel; insoluble in ethanol and most organic solvents
Melting Point: Decomposes above 150°C
Boiling Point: Not applicable (decomposes)
Flash Point: Not established
Vapor Pressure: Negligible
Bulk Density: 0.4–0.7 g/cm³
Particle Size: Fine powder; usually under 250 microns
Explosivity: Fine powder may form combustible dust clouds
Chemical Stability: Stable under normal storage and handling conditions
Conditions to Avoid: Avoid contact with strong oxidizers, open flames, heat sources; avoid excessive humidity
Incompatible Materials: Strong acids, strong bases, oxidizing agents
Hazardous Decomposition Products: Burning or thermal decomposition yields carbon monoxide, carbon dioxide, and low-molecular weight organic compounds
Polymerization: Not known to undergo dangerous polymerization
Acute Toxicity: Oral LD50 in rat exceeds 5,000 mg/kg (practically non-toxic)
Skin Corrosion/Irritation: Non-irritating; rare reports of mild contact irritation
Serious Eye Damage/Irritation: Dust may cause transient irritation
Respiratory Sensitization: Dust may provoke mild allergic response in sensitive persons
Ingestion Effects: As a fiber, large intake causes bloating, gas, possible mechanical obstruction
Carcinogenicity: Not classified as a carcinogen by IARC, NTP, or OSHA
Mutagenicity: Not mutagenic in standard tests
Reproductive Toxicity: No evidence of reproductive toxicity
Ecotoxicity: No known toxicity for aquatic or terrestrial organisms at normal concentrations; high concentrations may cause local effects by oxygen depletion due to gel formation
Persistence and Degradability: Biodegradable through natural microbial action
Bioaccumulative Potential: Not expected to bioaccumulate
Mobility in Soil: Hydrophilic polymers tend to stay within upper layers of soil and break down over time
Other Adverse Effects: None known under typical usage
Waste Treatment Methods: Dispose of in accordance with local, regional, and national regulations
Disposal of Product: Non-hazardous waste; landfill or incineration as permitted by regulations
Disposal of Packaging: Recycle or dispose according to official guidelines; containers free of residues can be recycled
Precautions for Disposal: Avoid dust dispersal and environmental dumping; do not release large quantities to watercourses
UN Number: Not regulated
Proper Shipping Name: Konjac Glucomannan
Classes: Not classified as dangerous under ADR, IMDG, or IATA
Packing Group: Not applicable
Environmental Hazards: None
Special Precautions during Transport: Keep container tightly closed; protect from humidity and rough handling
Safety Regulation: Not regulated as hazardous under OSHA, EU REACH, or GHS
Food Regulations: Approved for use as food additive (E425, GRAS status in USA)
Workplace Limits: No established occupational exposure limits
Label Requirements: No specific hazard labeling required
Chemical Inventory Status: Listed in TSCA, EINECS, AICS, and other major inventories
West Ujimqin Banner, Xilingol League, Inner Mongolia, China
