Structural Formula

Physical

Appearance: White crystalline powder
Density: 1.1579 (rough estimate)
Melting point: 293-296 °C (lit.)
Boiling point: 320.68 °C (rough estimate)
refractivity: 1.5014 (approximate)
Storage conditions
Keep the container sealed, place in a tightly packed container and store in a cool, dry place.

Safety Data
General

Application
Used as UV absorber

First Aid Measures
Inhalation: Move the victim to fresh air, keep breathing open and rest. If unwell, seek medical attention/consultation.
Skin contact: Remove/remove all contaminated clothing immediately. Wash skin with water/shower.
If skin irritation or rash occurs: Seek medical attention/consultation.
EYE CONTACT: Wash carefully with water for several minutes. If convenient and easy to do, remove contact lenses. Continue washing.
If eye irritation: Seek medical attention/consultation.
INGESTION: If discomfort occurs, seek medical attention/consultation. Rinse mouth.
Emergency responder protection: Rescuers need to wear personal protective equipment, such as rubber gloves and airtight goggles.

Fire fighting measures
Suitable extinguishing agents: dry powder, foam, fog water, carbon dioxide
Special hazards: Be careful, burning or high temperature may decompose to produce toxic smoke.
Specific method: Extinguish the fire from upwind, choose the appropriate fire extinguishing method according to the surrounding environment.
Non-relevant personnel should evacuate to a safe place.
Once the surrounding area is on fire: If safe, remove removable containers.
Special protective gear for firefighters: Always wear personal protective equipment when fighting a fire.

Emergency response to a spill
Personal protective measures, protective equipment, use personal protective equipment. Keep away from the spill/leak and upwind.
Emergency measures: Spill area should be enclosed with safety belts, etc., to control access by non-relevant personnel.
Environmental measures: Prevent entry into sewers.
Methods and materials for control and cleaning: Sweep up and collect dust and seal into airtight containers. Take care not to disperse. Attachments or collections should be immediately disposed of in accordance with appropriate Laws and regulations for disposal.