Sodium tetrafluoroborate

  • Sodium borofluoride
Formula
NaBF4
Structure
Description
Gray powder.
Uses
Fluorinating agent.

Registry Numbers and Inventories.
CAS
13755-29-8
EC (EINECS/ELINCS)
237-340-6
S 26 36/37/39 45
RTECS
ED2975000
RTECS class
Other
UN (DOT)
1759
Merck
12,8761
Beilstein/Gmelin
532911 (G)
Swiss Giftliste 1
G-7842
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
BF4Na
Formula mass
109.79
Melting point, °C
384
Density
2.47 g/cm3
Solubility in water
1080 g/L

Hazards and Protection.
Storage
Store in a cool, dry place. Store in a tightly closed container. Corrosives area.
Handling
Avoid contact with eyes, skin, and clothing. Do not breathe dust, vapor, mist, or gas. Use and store under nitrogen. Use only in a chemical fume hood.
Protection
Eyes: Wear safety glasses and chemical goggles if splashing is possible. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear a chemical apron.
Respirators
A NIOSH/MSHA approved air purifying dust or mist respirator or European Standard EN 149.
Small spills/leaks
Vacuum or sweep up material and place into a suitable disposal container.
Stability
Stable.
Incompatibilities
Strong bases, water, strong oxidizing agents, sensitive to moisture
Decomposition
Hydrogen fluoride, oxides of boron, sodium oxide, fluoride fumes.

Fire.
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.
Fire potential
Nonflammable.
Hazards
Contact with metals may evolve flammable hydrogen gas.
Combustion products
Fire may produce irritating, corrosive and/or toxic gases.

Health.
Poison_Class
3
Exposure effects
   Ingestion
Causes gastrointestinal tract burns.
   Inhalation
May cause irritation of the respiratory tract with burning pain in the nose and throat, coughing, wheezing, shortness of breath and pulmonary edema. May cause abdominal pain, nausea, vomiting, and inflammation of the gums and mouth.
   Skin
May cause severe irritation and possible burns.
   Eyes
Contact with eyes may cause severe irritation, and possible eye burns.

First aid
 
   Ingestion
Do NOT induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid immediately.
   Inhalation
Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
   Skin
Get medical aid immediately. Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
   Eyes
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.

Transport.
UN number
1759
Response guide
Hazard class
8
Packing Group
I; II; III