Structural Formula

Physical Properties
Appearance: dark red crystalline fine powder
Density: 1.230 g/cm3
Melting point: 202-206 °C(lit.)
Boiling point: 430.0±55.0 °C(Predicted)

Safety Data
It belongs to common goods
Customs code：2930909099
Export Tax Refund Rate(%)：11%

Application
It is used as a reagent for determination of tungsten, sensitive photometric reagents for determination of gold, palladium, platinum, mercury and silver, and also for determination of residual chlorine.

First Aid Measures
Inhalation: Move the victim to fresh air, keep breathing open and rest. Seek medical attention/consultation if you feel unwell.
Skin contact: Remove/remove all contaminated clothing immediately. Wash gently with plenty of soap and water.
If skin irritation or rash occurs: Seek medical attention/consultation.
EYE CONTACT: Wash carefully with water for several minutes. If convenient and easy to handle, 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: Caution, toxic smoke may be produced by combustion or decomposition at high temperatures.
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.
Handling Disposal and Storage
Disposal
Technical measures: Dispose of in a well-ventilated place. Wear suitable protective gear. Prevent dust from spreading. Wash hands and face thoroughly after handling.
and face.
Caution: If dust or aerosols are generated, use local exhaust.
Handling and disposal precautions: Avoid contact with skin, eyes and clothing.
Storage
Storage conditions: Keep container airtight. Store in a cool, dark place.
Store away from incompatible materials such as oxidizers.