Bismuth fluoride

  • Bismuth trifluoride
Formula
BiF3
Structure
Description
white-gray cubic crystals
Uses
Substance is used in the prepn of bismuth pentafluoride, q.v.

Registry Numbers and Inventories.
CAS
7787-61-3
EC (EINECS/ELINCS)
232-124-8
Merck
12,1305
Beilstein/Gmelin
37822 (G)
Canada DSL/NDSL
NDSL
US TSCA
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
BiF
Formula mass
265.97
Melting point, °C
150.9 - 151.9
Boiling point, °C
230
Vapor pressure, mmHg
48 (151 C)
Density
3.7 g/cm3 (160 C)

Hazards and Protection.
Storage
Store in a cool, dry place. Store in a tightly closed container.
Handling
Wash thoroughly after handling. Use only in a well ventilated area. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.
Protection
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
Respirators
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Small spills/leaks
Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal.
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents, strong acids.
Decomposition
Hydrogen fluoride.

Fire.
Fire fighting
Use carbon dioxide, dry chemical extinguishing agents, dry sand, or dry dolomite. No special firefighting procedures needed, use normal procedures which include wearing NIOSH/MSHA approved self-contained breathing apparatus, flame and chemical resistant protective clothing; hats, boots, and gloves. If without risk remove material from fire area. Cool containers with water from maximum distance.
Hazards
May emit toxic fumes of fluoride upon decomposition. Reacts with water or moisture to form toxic fumes.

Health.
Exposure effects
Chronic inhalation and ingestion may cause fluorosis with skeletal abnormalities. Chronic exposure may bismuth line (gray blue deposition in the gum area). May cause excess salivation, foul breath, Chronic exposure to fluoride compounds may cause systemic toxicity.
   Ingestion
The toxicological properties of this substance have not been fully investigated. Inorganic fluorides can be harmful. Acute exposure to fluorine compounds can lead to digestive tract burns, and abdominal pain. May cause fever and rheumatic pain.
   Inhalation
The toxicological properties of this substance have not been fully investigated.
   Skin
No information regarding skin irritation and other potential effects was found.
   Eyes
No information regarding eye irritation and other potential effects was found.

First aid
 
   Ingestion
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.
   Inhalation
Get medical aid immediately. Remove from exposure to fresh air immediately. If breathing is difficult, give oxygen.
   Skin
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
   Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.

Transport.