Tetrabutylammonium tetrahydroborate

  • 1-Butanaminium, N,N,N-tributyl-, tetrahydroborate(1-)
Formula
C16H40BN
Structure
Description
White solid.

Registry Numbers and Inventories.
CAS
33725-74-5
EC (EINECS/ELINCS)
251-658-2
EC Class
corrosive
R 15 34
S 26 36/37/39 43 45
UN (DOT)
2813
Beilstein/Gmelin
NA
Canada DSL/NDSL
NDSL
US TSCA
Listed
Japan ENCS (MITI)
Listed

Properties.
Formula
C16H40BN
Formula mass
257.31
Melting point, °C
124 - 126
Solubility in water
soluble

Hazards and Protection.
Storage
Store in a cool, dry place. Store in a tightly closed container. Water free area.
Handling
Avoid contact with eyes, skin, and clothing. Do not breathe dust, vapor, mist, or gas. Use only in a chemical fume hood.
Protection
Eyes: Wear chemical goggles. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to minimize contact with skin.
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 under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents, water, acids.
Decomposition
Nitrogen oxides, carbon monoxide, carbon dioxide, oxides of boron, borane, hydrogen gas.

Fire.
Flash Point,°C
140
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Can burn in a fire, releasing toxic vapors. Water Reactive. Material will react with water and may release a flammable and/or toxic gas. Extinguishing media: Use carbon dioxide or dry chemical.
Fire potential
Produce flammable gases on contact with water.
Hazards
May ignite on contact with water or moist air. Some react vigorously or explosively on contact with water. May be ignited by heat, sparks or flames. May re-ignite after fire is extinguished. May be transported in highly flammable liquids.
Combustion products
Fire will produce irritating, corrosive and/or toxic gases.

Health.
Exposure effects
   Ingestion
The toxicological properties of this substance have not been fully investigated.
   Inhalation
Causes respiratory tract irritation.
   Skin
Causes skin irritation.
   Eyes
Causes eye irritation.

First aid
 
   Ingestion
Get medical aid. Wash mouth out with water.
   Inhalation
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid if cough or other symptoms appear.
   Skin
Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists.
   Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

Transport.
UN number
2813
Response guide
Hazard class
4.3
Packing Group
I; II; III
 
HS Code
2942 00 00