SAFETY DATA SHEET – ETHYL CENTRALITE
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SECTION 1: COMPANY PROFILE
- Trade Name: Ethyl Centralite
- Chemical Name: 1,3-Diethyldiphenylurea
- Supplier/Manufacturer: SAE Manufacturing Specialties Corp.
- Address: 86A Bayville Avenue, Bayville, NY 11709, United States of America
- Phone No.: (+1) 516.855.5540
- Emergency Contact: 1-800-633-8253 (U.S/Canada), +1-801-629-0667 (International)
SECTION 2: HAZARDS IDENTIFICATION
Classification (EC Directives): Harmful
- Adverse physicochemical effects: --
- Adverse human health effects:
- Harmful if swallowed.
- Dust may cause respiratory irritation.
- Environmental effects: Harmful to aquatic organisms; may cause long-term adverse effects.
- Possible misuse: --
SECTION 3: COMPOSITION / INFORMATION ON INGREDIENTS
| Chemical Name | Content (wt%) | CAS-No | EC-No | Classification |
|---|---|---|---|---|
| 1,3-Diethyldiphenylurea | 100 | 85-98-3 | 201-645-2 | Xn R22, R52/53 |
SECTION 4: FIRST AID MEASURES
In all serious cases or eye contact, seek medical help immediately.
- Inhalation: Move to fresh air; apply artificial respiration if needed.
- Skin Contact: Wash with plenty of water and soap.
- Eye Contact: Rinse for at least 15 minutes; seek medical help while continuing to rinse.
- Ingestion: Rinse mouth, give up to 0.5 L water, do not induce vomiting, seek medical help.
SECTION 5: FIRE FIGHTING MEASURES
- Flash Point: N.A.
- Extinguishing Media: Water mist, CO₂, foam, dry powder.
- Special Precautions: May develop toxic fumes in fire.
- Explosion Risk: Dry powder can form flammable dust clouds.
- Protective Equipment: Self-contained breathing apparatus & protective clothing.
SECTION 6: ACCIDENTAL RELEASE MEASURES
- Personal precautions: Avoid breathing dust; use PPE.
- Environmental precautions: Prevent entry into water streams/sewers; notify authorities if pollution occurs.
- Cleanup: Sweep into closed containers.
SECTION 7: STORAGE, STABILITY AND HANDLING
- Handling: Avoid eye contact and inhaling dust.
- Storage: Store in original packaging in dry areas away from weather; shelf life ~2 years.
SECTION 8: EXPOSURE CONTROL AND PERSONAL PROTECTION
- Exposure limits: None established.
- Engineering controls: Ensure adequate ventilation.
- Personal PPE:
- Dust mask (respiratory)
- Protective gloves
- Safety goggles
- Protective clothing
- Hygiene: No eating, drinking, or smoking; keep emergency showers/eyewash nearby.
SECTION 9: PHYSICAL AND CHEMICAL PROPERTIES
| Physical State | Solid (creamish colour) |
| Odour | Odourless |
| pH (1% sol.) | 7.0 |
| Melting Point | 72°C |
| Flash Point | cca 150°C |
| Flammability | Combustible organic material |
| Ignition Temp | ca 500°C |
| Relative Density | 1.025 g/cm³ |
| Solubility in Water | 0.042 g/l |
| Partition Coefficient | 4.2 |
| Bulk Density | 400–500 kg/m³ (powder) |
| Other Solvents | Soluble in acetone, alcohols, toluene, etc. |
SECTION 10: STABILITY AND REACTIVITY
- Stable under normal conditions.
- Conditions to avoid: Ignition sources.
- Hazardous decomposition: None under normal use/storage.
SECTION 11: TOXICOLOGICAL INFORMATION
- LD50 (oral, rat): 780.9 mg/kg
SECTION 12: ECOLOGICAL INFORMATION
- LC50 (96h, fish): 15.6 mg/l
- Bioaccumulation potential: High
SECTION 13: DISPOSAL CONSIDERATION
- Substance: Mix with combustible solvent; incinerate in approved facility.
- Packaging: Incinerate paper sacks as hazardous waste.
SECTION 14: TRANSPORT INFORMATION
- Land (ADR/RID): Not regulated
- Sea (IMDG): Not regulated
- Air (IATA): Not regulated
SECTION 15: REGULATORY INFORMATION
- Symbol: Xn (Harmful)
- R-phrases:
- R22: Harmful if swallowed
- R52/53: Harmful to aquatic organisms; may cause long-term adverse effects
- S-phrases:
- S22: Do not breathe dust
- S24/25: Avoid contact with skin and eyes
- S61: Avoid release to environment; follow safety data instructions
SECTION 16: OTHER INFORMATION
- Classification basis: Routine formulation testing
- Training advice: Follow SDS; store & handle with good industrial hygiene practices.
- Disclaimer: Info reflects current knowledge; users must comply with local laws & regulations.
