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1,3-Dichloro-5,5-Dimethylhydantoin or Dantoin Supplier Exporter Manufacturers' Representative |
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1,3-Dichloro-5,5-Dimethylhydantoin or Dantoin
CAS Number: 118-52-5
Molecular Formula: C5H6Cl2N2O2
Molecular Weight: 197.02
1,3-Dichloro-5,5-Dimethylhydantoin or Dantoin
1,3-Dichloro-5,5-Dimethylhydantoin or Dantoin SDS, Safety Data Sheet
MSDS Sheet, Material Safety Data Sheet 01-Feb-26
1. Product Identification
Product Name & Other Names: 1,3-Dichloro-5,5-Dimethylhydantoin or Dantoin.
CAS No.: 118-52-5
EINECS EC Number: 204-258-7
Molecular Weight: 197.02
Molecular Formula: C5H6Cl2N2O2
Relevant uses and uses advised against (if any): Industrial Manufacturing.
Supplier: American Molecules, 9910 Bent Oak Dr, Houston, TX 77040, USA.
Call Toll Free: 1-855-55-AMMOL 1-855-552-6665.
In case of emergency contact: Will be given with the supply.
2. Hazards Identification
GHS, Globally Harmonized System Classification in accordance with 29 CFR 1910
Classification according to Regulation (EC) No 1272/2008
Oxidizing Solids Category 2, H272
Acute toxicity - Oral Category 4, H302
Skin corrosion Category 1A B C, H314
Respiratory sensitization (Category 1), H334
Hazardous to the aquatic environment, acute hazard Category 1, H400
Labeling according GHS & Regulation (EC) No 1272/2008
GHS Label Elements Oxidizing Solid | GHS Label Elements Corrosive |
GHS Label Elements  Marine Pollutant | GHS Label Elements  Health Hazard |
Signal Word: Danger
Hazard Statements:
H272 - May intensify fire; oxidizer.
H302 - Harmful if swallowed.
H314 - Causes severe skin burns and eye damage.
H334 - May cause allergy or asthma symptoms or breathing difficulties if inhaled.
H400 - Very toxic to aquatic life.
Precautionary Statements - Prevention
P210: Keep away from heat/sparks/open flames/hot surfaces. - No smoking.
P220: Keep/Store away from clothing/combustible materials
P221: Take any precaution to avoid mixing with combustibles
P260: Do not breath dust.
P264: Wash face, hands and any exposed skin thoroughly after handling
P270: Do not eat, drink or smoke when using this product
P271: Use only outdoors or in a well-ventilated area
P273: Avoid release to the environment
P280: Wear protective gloves/ protective clothing/ eye protection/ face protection
P285: In case of inadequate ventilation wear respiratory protection
Precautionary Statements - Response
P301+P312: IF SWALLOWED: Call a POISON CENTER or doctor if you feel unwell.
P302+P352: IF ON SKIN: Wash with plenty of water.
P304+P340: IF INHALED: Remove person to fresh air and keep comfortable for breathing
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P314: Get Medical advice/attention if you feel unwell.
P330: If swallowed, rinse mouth.
P333+P313: If skin irritation or rash occurs: Get medical advice/ attention.
P337+P313: If eye irritation persists: Get medical advice/ attention
P342+P311: If experiencing respiratory symptoms: Call a POISON CENTER or doctor.
P391: Collect spillage.
P405: Store locked up
P501: Dispose of contents/container in accordance with local, regional, national, international regulations.
3. Composition/Information on Ingredients
Product Name & Other Names: 1,3-Dichloro-5,5-Dimethylhydantoin or Dantoin.
CAS No.: 118-52-5
EINECS EC Number: 204-258-7
4. First Aid Measures
Always seek medical attention after first aid measures are provided.
Inhalation: If inhaled, remove to fresh air. If breathing is difficult, give oxygen. Get medical attention.
Ingestion: Do 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.
Skin Contact: Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Get medical attention. Wash clothing before reuse. Thoroughly clean shoes before reuse.
Eye Contact: Check for and remove any contact lenses. In case of contact, immediately flush eyes with plenty of water for at least 15 minutes. Get medical attention.
5. Fire Fighting Measures
Flash Point: 171C literature.
Fire: Substance is a strong oxidizer and its heat of reaction with reducing agents or combustibles may cause ignition.
Fire Extinguishing Media: Dry chemical, carbon dioxide, water spray. Avoid a heavy water stream.
Special Information: Wear full protective clothing and breathing equipment for high-intensity fire or potential explosion conditions. This oxidizing material can increase the flammability of adjacent combustible materials. Fire-extinguishing work is done from the windward and the suitable fire-extinguishing method according to the surrounding situation is used. Uninvolved persons should evacuate to a safe place. In case of fire in the surroundings: Keep containers cool by spraying with water.
Special hazards arising from the substance or mixture: Poisonous fume, Carbon dioxide, Carbon monoxide, Nitrogen oxides (NOx), Hydrogen chloride.
6. Accidental Release Measures
Personal precautions, protective equipment, and emergency procedures: Avoid breathing dust/fumes/gas/mist/vapors/spray. Use individual protective equipment (waterproof boots, suitable protective clothing, safety glasses, etc.). Restrict unprotected personnel from the area. Prevent any contact with hot surfaces. Do not approach facing the wind. Do not touch the spilled material.
Environmental precautions: Do not let the product enter drains, soil, or water sources.
Methods and materials used for containment Cleanup procedures and Storage:
Small Spill: Use appropriate tools to put the spilled solid in a convenient waste disposal container.
Large Spill: Oxidizing material. Stop leak if without risk. Avoid contact with a combustible material (wood, paper, oil, clothing...). Do not touch spilled material. Use personal protective equipment. Keep people away from and upwind of spill/leak. Entry to non-involved personnel should be controlled around the leakage area by roping off. Do not inhale dust, vapors, mist, or gas. Avoid dust formation. Contain spilled material. Cover with an inert, non-combustible absorbent material, (e.g. sand, earth, diatomaceous earth, vermiculite). 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 as per law. Remove all sources of ignition.
7. Handling and Storage
Precautions for safe handling: Apply according to good manufacturing and industrial hygiene practices. Ensure proper ventilation. In case of insufficient ventilation, wear suitable respiratory equipment. Wash thoroughly after handling. Do not drink, eat, or smoke while handling. Avoid contact with skin, eyes, and clothing. Minimize dust generation. Avoid breathing dust/fumes/gas/mist/vapors/spray. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Use individual protective equipment (waterproof boots, suitable protective clothing, safety glasses, etc.). Prevent any contact with hot surfaces.
Conditions for safe storage, including any incompatibilities: Store in cool, dry, and ventilated area away from heat sources and protected from sunlight in tightly closed original container. Keep air contact to a minimum. Store protected from heat, sparks and ignition sources and incompatible materials. Avoid contact with skin and eyes. Avoid inhalation of dust/mist/vapor. Do not store with incompatible materials like strong oxidizing agents, strong acids. strong bases, alcohols, reducing agents, organic materials, powdered metals. Isolate from any source of heat or ignition. Avoid storage on wood floors. Separate from incompatibles, combustibles, organic or other readily oxidizable materials. Moisture-sensitive.
8. Exposure Controls/Personal Protection
Airborne Exposure Limits:
ACGIH TLV(TWA): 0.2 mg/m3
ACGIH TLV(STEL): 0.4 mg/m3
OSHA PEL(TWA): 0.2 mg/m3
Ventilation System: A system of local and/or general exhaust is recommended to keep employee exposures as low as possible. Local exhaust ventilation is generally preferred because it can control the emissions of the contaminant at its source, preventing dispersion of it into the general work area.
Personal Respirators (NIOSH Approved): For conditions of use where exposure to dust or mist is apparent and engineering controls are not feasible, a particulate respirator (NIOSH type N95 or better filters) may be worn. If oil particles (e.g. lubricants, cutting fluids, glycerin, etc.) are present, use a NIOSH type R or P filter. For emergencies or instances where the exposure levels are not known, use a full-face positive-pressure, air-supplied respirator.
Skin Protection: Wear impervious protective clothing, including boots, gloves, lab coat, apron or coveralls, as appropriate, to prevent skin contact.
Eye Protection: Use chemical safety goggles and/or full face shield where dusting or splashing of solutions is possible. Maintain eye wash fountain and quick-drench facilities in work area.
Other Control Measures: Maintain good housekeeping in work area. Dust deposits on floors and other surfaces may pick up moisture and cause the surfaces to become slippery and present safety hazards. Handle in accordance with good industrial hygiene and safety practice. Wash hands after handling.
9. Physical and Chemical Properties
Appearance: White crystalline powder.
Odor: Chlorine like.
Odor threshold: Not available.
pH: 4 to 5.
Relative density: 1.5 literature.
Melting Point: 130C-133C. Starts subliming.
Initial boiling point and boiling range: Not available.
Flash point: Not available.
Auto-ignition temperature: Not available.
Decomposition Temperature: 191C
Upper/lower flammability or explosive limits: Not available.
Vapor pressure: Not available.
Vapor density: Not available.
Evaporation rate: Not available.
Flammability (solid, gas): Not available.
Partition coefficient: n-octanol/water: Not available.
Solubility: Soluble in ether, Alcohol & Benzene.
Viscosity: Not available.
Molecular Weight: 197.02
Molecular Formula: C5H6Cl2N2O2
10. Stability and Reactivity
Stability: It is stable under ordinary conditions of use and storage.
Hazardous Decomposition Products: Poisonous fume, Carbon dioxide, Carbon monoxide, Nitrogen oxides (NOx), Hydrogen chloride.
Hazardous Polymerization: Will not occur.
Incompatibilities: Strong acids. Strong bases, Alcohols, Reducing agents, Organic materials, Powdered metals.
Conditions to Avoid: Heat, moisture, flames, ignition sources and incompatibles.
11. Toxicological Information
Oral Rat LD50: 542 mg/kg.
Inhalation Rat LC50 - male and female: 4 h - 5,13 mg/l.
Dermal Rabbit LD50: > 20.000 mg/kg.
Carcinogenicity: No component of this product present at levels greater than or equal to 0.1% is identified as possible or confirmed human carcinogen by IARC, ACGIH, OSHA and NTP.
Teratogenic Effects: Not available.
Mutagenic Effects: Not available.
Developmental Toxicity: Not available.
Reproductive Effects: No information available.
12. Ecological Information
Toxicity to fish: LC50 - Oncorhynchus mykiss (rainbow trout) - 0,58 mg/l - 96 h.
Toxicity to daphnia and other aquatic invertebrates: EC50 - Daphnia magna (Water flea) - 0,47 mg/l - 48 h.
Very toxic to aquatic life. Avoid release to the environment.
Persistence and Degradability: No information available.
Mobility: No information available.
Bioaccumulation/ Accumulation: No information available.
Results of PBT and vPvB assessment: No data available for assessment.
13. Disposal Considerations
Whatever cannot be saved for recovery or recycling should be handled as hazardous waste and sent to a RCRA approved waste facility. Processing use or contamination of this product may change the waste management options. Dispose of container and unused contents in accordance legal requirements.
14. Transport Information
DOT USA, TDG Canada & ADR/RID Europe
Proper Shipping Name: OXIDIZING SOLID, CORROSIVE, N.O.S. (1,3-Dichloro-5,5-dimethylhydantoin)
Hazard Class: 5.1 (8)
UN/NA: UN3085
Packing Group: II
IMDG/IMO & ICAO/IATA
Proper Shipping Name: OXIDIZING SOLID, CORROSIVE, N.O.S. (1,3-Dichloro-5,5-dimethylhydantoin)
Hazard Class: 5.1 (8)
UN/NA: UN3085
Packing Group: II
15. Regulatory Information
SARA 311/312: Fire; Acute and Chronic Hazard. See section 2.
California Prop 65: California No Significant Risk Level: The product is not listed.
Section 16. Other Information
European Labeling in Accordance with EC Directives:
H272 - May intensify fire; oxidizer.
H302 - Harmful if swallowed.
H314 - Causes severe skin burns and eye damage.
H334 - May cause allergy or asthma symptoms or breathing difficulties if inhaled.
H400 - Very toxic to aquatic life.
Disclaimer:
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Our company provides this MSDS sheet in good faith but makes no representation as to its comprehensiveness or accuracy. This SDS sheet is intended only as a guide to the appropriate precautionary handling of the material by a properly trained person using this product. The above information has been compiled from various sources and has the possibility of discrepancy and being out-dated information. Individuals receiving the information must exercise their independent judgment and do further search in determining its appropriateness for a particular purpose. In no case shall our company be liable to loss or damages by the product user.
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American Molecules, also known as ammol.org is a distributor, supplier and manufacturers' representative of all types of Pharmaceuticals, Functional Ingredients, Excipients and Specialty Chemicals in Texas USA. Our principals manufacture supply and export USP NF BP, Ph Eur, etc grades of chemicals pure and reagent grade, mineral fortifiers, FCC food grade. Tailor made particle size and customized specifications are offered. The principal's facility is having one or more of the certifications like FDA approval and GLP, cGMP, ISO9001, ISO14001, ISO/IEC 17025, ISO22000, FSSC 22000, ISO45001, FSSAI, Kosher, HALAL, COPP, WHO-GMP certified and Written Confirmation (WC) for export to Europe is available. The manufacturers suppliers and exporters observe WHO Good Manufacturing Practices and Good Laboratory Practices.
Suppliers and Manufacturers' Representative:
9910 Bent Oak Dr
Houston, TX 77040, USA
Call Toll Free: 1-855-55-AMMOL 1-855-552-6665
Email: info@ammol.org