H-Met(O)-OH

Synonym
Chemical Name
Chemical Family
L-Methionine Sulfoxide

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Section 4. First Aid Measures
Eye ContactCheck for and remove any contact lenses. In case of contact, immediately flush eyes with plenty of water for at
least 15 minutes. Cold water may be used. Get medical attention if irritation occurs.
Skin ContactWash with soap and water. Cover the irritated skin with an emollient. Get medical attention if irritation develops.
Cold water may be used.
Serious Skin ContactNot available.
InhalationIf inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get
medical attention.
Serious InhalationNot available.
IngestionDo NOT induce vomiting unless directed to do so by medical personnel. Never give anything by mouth to an
unconscious person. If large quantities of this material are swallowed, call a physician immediately. Loosen tight
clothing such as a collar, tie, belt or waistband.
Serious IngestionNot available.

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Section 5. Fire and Explosion Data
Flammability of the Product May be combustible at high temperature.
Auto-Ignition Temperature Not available.
Flash PointsNot available.
Flammable LimitsNot available.
These products are carbon oxides (CO, CO2), nitrogen oxides (NO, NO2...).
Products of Combustion
Fire Hazards in Presence of Slightly flammable to flammable in presence of heat.
Various SubstancesNon-flammable in presence of shocks.
Explosion Hazards in Presence Slightly explosive in presence of open flames and sparks.
of Various SubstancesNon-explosive in presence of shocks.
Fire Fighting MediaSMALL FIRE: Use DRY chemical powder.
and InstructionsLARGE FIRE: Use water spray, fog or foam. Do not use water jet.
Special Remarks onAs with most organic solids, fire is possible at elevated temperatures
Fire Hazards
Special Remarks on Explosion Fine dust dispersed in air in sufficient concentrations, and in the presences of an ignition source is a potential dust
Hazardsexplosion hazard.

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Section 6. Accidental Release Measures
Small SpillUse appropriate tools to put the spilled solid in a convenient waste disposal container. Finish cleaning by
spreading water on the contaminated surface and dispose of according to local and regional authority
requirements.
Large Spill
Use a shovel to put the material into a convenient waste disposal container. Finish cleaning by spreading water
on the contaminated surface and allow to evacuate through the sanitary system.
L-Methionine Sulfoxide

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Section 7. Handling and Storage
PrecautionsKeep away from heat. Keep away from sources of ignition. Do not breathe dust. Keep away from incompatibles
such as oxidizing agents, acids, alkalis.
StorageKeep container tightly closed. Keep container in a cool, well-ventilated area.

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Section 8. Exposure Controls/Personal Protection
Engineering ControlsUse process enclosures, local exhaust ventilation, or other engineering controls to keep airborne levels below
recommended exposure limits. If user operations generate dust, fume or mist, use ventilation to keep exposure to
airborne contaminants below the exposure limit.
Personal Protection
Safety glasses. Lab coat. Dust respirator. Be sure to use an approved/certified respirator or equivalent. Gloves.
Personal Protection in Case of Splash goggles. Full suit. Dust respirator. Boots. Gloves. A self contained breathing apparatus should be used
a Large Spillto avoid inhalation of the product. Suggested protective clothing might not be sufficient; consult a specialist
BEFORE handling this product.
Exposure LimitsNot available.

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Section 9. Physical and Chemical Properties
Physical state and appearance Solid. (Powdered solid.)OdorCharacteristic.
TasteNot available.
Molecular Weight165.21 g/mole
ColorWhite. Off-white.
pH (1% soln/water)Not available.
Boiling PointNot available.
Melting PointNot available.
Critical TemperatureNot available.
Not available.
Specific Gravity
Vapor PressureNot applicable.
Vapor DensityNot available.
VolatilityNot available.
Odor ThresholdNot available.
Not available.
Water/Oil Dist. Coeff.
Ionicity (in Water)Not available.
See solubility in water.
Dispersion Properties
SolubilitySoluble in cold water.

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Section 10. Stability and Reactivity Data
StabilityThe product is stable.
Not available.
Instability Temperature
Conditions of InstabilityExcess heat, incompatible materials, dust generation
Incompatibility with variousReactive with oxidizing agents, acids, alkalis.
substances
CorrosivityNot available.
L-Methionine Sulfoxide
Special Remarks onNot available.
Reactivity
Special Remarks onNot available.
Corrosivity
PolymerizationWill not occur.

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Section 11. Toxicological Information
Routes of EntryInhalation. Ingestion.
Toxicity to AnimalsLD50: Not available.
LC50: Not available.
Chronic Effects on Humans Not available.
Other Toxic Effects onSlightly hazardous in case of skin contact (irritant), of ingestion, of inhalation.
Humans
Special Remarks onNot available.
Toxicity to Animals
Special Remarks on
Not available.
Chronic Effects on Humans
Special Remarks on otherAcute Potential Health Effects:
Toxic Effects on HumansSkin: May cause skin irritation.
Eyes: May cause eye irritation.
Inhalation: May cause respiratory tract irritation.
Ingestion: May cause gastrointestinal tract irritation.
The toxicological properties of this substance have not been fully investigated.

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Section 12. Ecological Information
EcotoxicityNot available.
BOD5 and CODNot available.
Products of BiodegradationPossibly hazardous short term degradation products are not likely. However, long term degradation products may
arise.
Toxicity of the ProductsThe product itself and its products of degradation are not toxic.
of Biodegradation
Special Remarks on theNot available.
Products of Biodegradation

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Section 13. Disposal Considerations
Waste DisposalWaste must be disposed of in accordance with federal, state and local environmental
control regulations.

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Section 14. Transport Information
DOT ClassificationNot a DOT controlled material (United States).
IdentificationNot applicable.
Not applicable.
Special Provisions for
Transport
L-Methionine Sulfoxide
DOT (Pictograms)

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Section 15. Other Regulatory Information and Pictograms
No products were found.
Federal and State
Regulations
California
Proposition 65
Warnings
Other RegulationsEINECS: This product is on the European Inventory of Existing Commercial Chemical Substances.
WHMIS (Canada) Not controlled under WHMIS (Canada).
Other Classifications
DSCL (EEC)This product is not classified according S24/25- Avoid contact with skin and eyes.
to the EU regulations.
Health Hazard
HMIS (U.S.A.)1 National Fire Protection
1 Flammability
1 Association (U.S.A.)
Fire Hazard
1 0 Reactivity
Health
Reactivity
0
Specific hazard
Personal Protection
E
WHMIS (Canada)
(Pictograms)
DSCL (Europe)
(Pictograms)
TDG (Canada)
(Pictograms)
ADR (Europe)
(Pictograms)
Protective Equipment
Gloves.
Lab coat.
Dust respirator. Be sure to use an
approved/certified respirator or
equivalent.
L-Methionine Sulfoxide

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SECTION 16 - ADDITIONAL INFORMATION
N/A