Nitrosium tetrafluoroborate

  • Borate(1-),tetrafluoro-,nitrosyl
Formula
NOBF4
Structure
Description
White powder
Uses
Substance is used in the prepn of diazonium fluoborates.

Registry Numbers and Inventories.
CAS
14635-75-7
EC (EINECS/ELINCS)
238-679-2
EC Class
corrosive
S 26 36/37/39 45
UN (DOT)
3260
Merck
12,6747
Beilstein/Gmelin
20623 (G)
Canada DSL/NDSL
NDSL
US TSCA
Listed
New Zealand
Listed

Properties.
Formula
BF4NO
Formula mass
116.81
Melting point, °C
157 - 160
Density
2.185 g/cm3
Solubility in water
Decomposition

Hazards and Protection.
Storage
Store in a cool, dry place. Store in a tightly closed container. Keep under a nitrogen blanket. Refrigerator (approx 4 C).
Handling
Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Use only in a chemical fume hood.
Protection
Wear appropriate protective eyeglasses or chemical safety goggles, protective gloves and clothing to prevent 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
Vacuum or sweep up material and place into a suitable disposal container.
Disposal code
24
Incompatibilities
Amines.
Decomposition
Nitrogen oxides, hydrogen fluoride.

Fire.
Fire fighting
Wear approved SCBA in full pressure-demand and full protective gear. Use agent most appropriate to extinguish fire.

Health.
Exposure effects
   Ingestion
Causes gastrointestinal tract burns. The toxicological properties of this substance have not been fully investigated.
   Inhalation
May cause irritation of the respiratory tract with burning pain in the nose and throat, coughing, wheezing, shortness of breath and pulmonary edema.
   Skin
Causes skin burns.
   Eyes
Causes 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 lids. Get medical aid immediately.

Transport.
UN number
3260
Response guide
Hazard class
8
Packing Group
I; II; III
 
HS Code
2812 90 00