© 2026 Alchemist Worldwide Ltd,
All Right Reserved
Product name: Mannooligosaccharides
Chemical family: Oligosaccharide
CAS Number: 37221-79-7
Synonyms: MOS, yeast cell wall extract
Recommended uses: Animal feed additive, dietary supplement, food ingredient
Manufacturer contact information: Details of supplier, address, phone, and emergency contact numbers
GHS classification: Not classified as hazardous
Label elements: No pictogram, no signal word, no hazard statement required
Routes of exposure: Inhalation, ingestion, skin, eye contact
Potential health effects: May cause mild irritation to eyes or respiratory tract in sensitive individuals
Precautionary statements: Avoid inhaling dust; eye protection recommended during handling
Other hazards: Dust may form explosive mixtures with air; handle with care to reduce airborne particulates
Chemical name: Mannooligosaccharides
Concentration: >95% pure
Impurities: Trace amounts of protein, moisture, yeast cell wall residues
Hazardous components: No components classified as hazardous under GHS
Inhalation: Move to fresh air; provide supportive care if respiratory symptoms appear
Skin contact: Wash thoroughly with soap and water, remove contaminated clothing
Eye contact: Rinse with copious amounts of water for several minutes; consult healthcare professional if irritation persists
Ingestion: Rinse mouth, drink water; medical attention not generally required unless symptoms persist
Suitable extinguishing media: Water spray, dry powder, foam, carbon dioxide
Unsuitable extinguishing media: High-pressure water jets
Specific hazards from combustion: Formation of carbon dioxide and carbon monoxide possible under fire conditions
Protective equipment: Firefighters wear self-contained breathing apparatus and full protective clothing
Firefighting instructions: Avoid breathing fumes; move containers away from fire if safe
Personal precautions: Wear dust mask, safety goggles, gloves; minimize dust generation
Environmental precautions: Prevent further spillage, avoid entry into drains or waterways
Methods for cleanup: Sweep or vacuum up to prevent dust formation, place into waste container for disposal; clean area with water after collection
Handling: Work in well-ventilated area, keep containers sealed to control dust release
Storage conditions: Store in cool, dry place away from moisture and incompatible substances; keep out of direct sunlight
Incompatible materials: Strong oxidizers
Special handling guidelines: Use good industrial hygiene practices such as handwashing after handling
Exposure controls: No occupational exposure limits assigned
Engineering controls: Local exhaust ventilation recommended, especially in bulk handling
Personal protective equipment: NIOSH-approved dust mask, safety goggles, gloves
Hygiene measures: Wash hands after handling, remove dust from clothing
Appearance: White to off-white powder
Molecular formula: (C6H12O6)n, polymeric oligosaccharide
Molecular weight: Range depending on degree of polymerization (200-800 Da typical)
Odor: Slight yeast-like or neutral
pH: Neutral (5.0 - 7.0 in 1% solution)
Solubility: Soluble in water
Boiling point: Not applicable
Melting point: Decomposes before melting
Flash point: Not determined
Evaporation rate: Not applicable
Vapor pressure: Not relevant
Density: 0.3 - 0.6 g/cm3 (bulk density as powder)
Reactivity: No known hazardous reactivity
Chemical stability: Stable under recommended conditions
Conditions to avoid: Moisture, excessive heat, sources of ignition
Incompatible substances: Strong acids, strong oxidizers
Decomposition products: Carbon oxides, smoke produced under combustion
Acute toxicity: Low toxicity; no known cases of acute poisoning in humans or animals
Irritation: May cause mild irritation to eyes, skin, respiratory tract from dust
Sensitization: Not known to cause allergic reactions
Chronic effects: No adverse long-term health effects reported
Carcinogenicity: Not classified as carcinogenic
Mutagenicity: No evidence of genetic damage or mutagenicity
Other data: Based on related oligosaccharides and yeast derivatives, overall safety profile considered high
Ecotoxicity: Not classified as hazardous for the environment
Aquatic toxicity: No adverse effects known at typical concentrations
Persistence and degradability: Biodegradable, breaks down via microbial action
Bioaccumulation: Not expected to bioaccumulate
Mobility in soil: Readily soluble in water, minor leaching possible
Other adverse effects: None known
Disposal methods: Dispose of in accordance with local, regional, and national regulations
Unused product: May be treated as non-hazardous organic waste; composting suitable where permitted
Contaminated packaging: Clean for recycling, or dispose as general waste after ensuring all product residues are removed
Special precautions: Minimize dust during disposal and avoid direct release to waterways
UN number: Not regulated
Transport hazard class: Not regulated, not considered hazardous for transport
Packing group: Not applicable
Marine pollutant: No
Special precautions: Avoid conditions that would damage packaging or generate dust during transit
GHS classification: Not classified
Inventory listings: Compliant with food, feed, and chemical inventories in many regions (including EU (EINECS/ELINCS), US (TSCA/GRAS), Canada (DSL), Australia (AICS))
Labeling requirements: Follow regulations for food supplement or feed ingredient as appropriate for local jurisdiction
Other relevant regulations: Ensure compliance with REACH, FDA, and EFSA requirements as applicable to intended use
Workplace regulations: General occupational health and safety guidelines apply
