MSDS Overview: Exolit Melapur MC Flame Retardants

Identification

Product Name: Exolit Melapur MC
Recommended Use: Flame retardant for plastics and textiles
Manufacturer: Clariant International Ltd.
Address: Rothausstrasse 61, 4132 Muttenz, Switzerland
Telephone: +41 61 469 5111
Email contact for MSDS information: msds.enquiries@clariant.com
Emergency number: CHEMTREC +1-703-527-3887 (International)

Hazard Identification

Classification: Not classified as hazardous according to GHS
Main Risks: May cause mild irritation to eyes and skin; inhalation of dust can lead to mild respiratory discomfort
Label Elements: No pictogram, no signal word
Precautionary Statements: Wear eye protection; avoid breathing dust; wash hands thoroughly after handling

Composition / Information on Ingredients

Chemical Identity: Melamine cyanurate
CAS Number: 37640-57-6
Concentration: 100%
Synonyms: Melamine Cyanurate, MC
Impurities/Additives: None relevant for classification
Molecular Formula: C6H9N11O3

First Aid Measures

Inhalation: Move to fresh air; seek medical attention if symptoms persist
Skin Contact: Remove contaminated clothing; wash skin with soap and water
Eye Contact: Rinse cautiously with water for several minutes; consult a physician if irritation continues
Ingestion: Rinse mouth and drink water; do not induce vomiting; seek medical advice for large amounts

Fire-Fighting Measures

Suitable Extinguishing Media: Water spray, foam, dry powder, carbon dioxide
Specific Hazards: Product itself is non-flammable; toxic gases such as nitrogen oxides, cyanuric acid, and ammonia may form
Protective Equipment: Full protective clothing and self-contained breathing apparatus required for firefighters
Advice for Firefighters: Avoid inhaling smoke, keep containers cool with water spray if exposed to flame

Accidental Release Measures

Personal Precautions: Wear dust mask and safety goggles
Environmental Precautions: Do not let product enter watercourses or drains
Cleanup Methods: Collect spillage with vacuum or shovel; avoid dust formation; dispose of in accordance with local regulations; ventilate area after cleanup

Handling and Storage

Handling: Use local exhaust ventilation to minimize dust; avoid breathing dust and contact with eyes or skin
Storage Conditions: Store in cool, dry, well-ventilated area in tightly closed container
Incompatible Materials: Strong acids or oxidizing agents
Recommendations: Keep out of reach of children; keep away from food, drinks, and animal feed

Exposure Controls and Personal Protection

Exposure Limits: No established occupational exposure limits
Personal Protection - Eyes: Wear safety glasses with side-shields
Personal Protection - Respiratory: Use dust mask or respirator in poor ventilation
Personal Protection - Hands: Chemical-resistant gloves
Engineering Controls: Ensure adequate ventilation to keep dust levels low
Hygiene Measures: Wash hands and exposed skin after handling; avoid eating or drinking during handling

Physical and Chemical Properties

Form: White powder
Odor: Odorless
Melting Point/Range: Not applicable (decomposes before melting)
Decomposition Temperature: Above 270°C
Solubility in Water: Slightly soluble (less than 1 g/L)
pH (20°C, 10% suspension): 5.0 – 7.0
Bulk Density: 400 – 700 kg/m³
Vapor Pressure: Not relevant due to solid state

Stability and Reactivity

Chemical Stability: Stable under normal conditions
Conditions to Avoid: Strong heat, moisture, direct sunlight
Materials to Avoid: Strong acids, oxidizers
Hazardous Decomposition Products: Ammonia, cyanuric acid, nitrogen oxides on decomposition
Reactivity: Not reactive under recommended conditions

Toxicological Information

Acute Toxicity: Oral LD50 (rat) > 2000 mg/kg
Skin Corrosion/Irritation: Mild irritation possible, not sensitizing
Eye Damage/Irritation: Mild irritation
Respiratory or Skin Sensitization: Not a sensitizer
Carcinogenicity: No data showing carcinogenic potential
Mutagenicity: Not considered mutagenic
Reproductive Toxicity: No data indicating reproductive harm

Ecological Information

Aquatic Toxicity: No significant toxicity toward aquatic organisms identified
Persistence and Degradability: Non-biodegradable, remains in environment as solid
Bioaccumulative Potential: Not expected to bioaccumulate
Mobility in Soil: Low due to insolubility
Other Adverse Effects: Avoid uncontrolled release into the environment

Disposal Considerations

Waste Disposal Methods: Dispose in accordance with national, regional and local laws
Contaminated Packaging: Thoroughly clean containers before recycling or disposal
Remarks: Product is not classified as hazardous waste; landfill or combustion in approved facilities is acceptable

Transport Information

UN Number: Not regulated for transport
Transport Hazard Class: Not classified as dangerous
Packing Group: Not applicable
Proper Shipping Name: Melamine Cyanurate
Special Transport Precautions: Protect from damp and physical damage during transit

Regulatory Information

Regulatory Status: Not considered hazardous under U.S. OSHA HazCom, EU CLP, or international regulations
Inventory Listings: Listed in TSCA, EINECS, DSL, AICS
Other Regulations: Product does not contain listed substances under RoHS, REACH SVHC, or California Proposition 65
Label Requirements: No specific labeling required; standard industrial hygiene applies