Tripropyl borate

  • Boric acid, tripropyl ester
  • Boron propoxide
  • Tris(propoxy)borane
  • Tripropoxyborane
  • Tri-n-propoxyboron
  • Propyl orthoborate
Formula
C9H21BO3
Structure

Registry Numbers and Inventories.
CAS
688-71-1
EC (EINECS/ELINCS)
211-703-9
RTECS
ED5785000
RTECS class
Primary Irritant
UN (DOT)
1993
Beilstein/Gmelin
1701561
Beilstein Reference
4-01-00-01436
Canada DSL/NDSL
NDSL
US TSCA
Listed
Austrailia AICS
Listed
Japan ENCS (MITI)
Listed

Properties.
Formula
C9H21BO3
Formula mass
188.11
Boiling point, °C
182
Vapor pressure, mmHg
1.2 (25 C)
Density
0.857 g/mL (25 C)
Solubility in water
Insoluble
Refractive index
1.395 (20 C)
Heat of vaporization
40.1 kJ/mol

Hazards and Protection.
Storage
Keep tightly closed. Keep away from heat, sparks, and open flame. Store in a cool dry place. Handle and store under nitrogen.
Protection
Wear appropriate government approved respirator, chemical-resistant gloves, safety goggles, other protective clothing.
Respirators
Wear positive pressure self-contained breathing apparatus (SCBA).
Small spills/leaks
Cover with dry-lime, sand, or soda ash. Place in covered containers using non-sparking tools and transport outdoors. Ventilate area and wash spill site after material pickup is complete.
Incompatibilities
Strong oxidizing agents.
Decomposition
Carbon monoxide, Carbon dioxide, Boron oxides.

Fire.
Flash Point,°C
32
Fire fighting
Extinguish using Carbon dioxide, dry chemical powder, or appropriate foam. Water spray. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
Fire potential
HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames.
Hazards
Flammable liquid. Vapor may travel considerable distance to source of ignition and flash back. Emits toxic fumes under fire conditions.
Combustion products
Fire may produce irritating, corrosive and/or toxic gases.

Health.
Exposure effects
   Inhalation
Vapors may cause dizziness or suffocation. May cause irritation or burns.
   Skin
May cause irritation or burns.
   Eyes
See Skin.

First aid
 
   Ingestion
If swallowed, wash out mouth with water provided person is conscious. Call a physician.
   Inhalation
If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.
   Skin
In case of contact, immediately wash skin with soap and copious amounts of water.
   Eyes
In case of contact, immediately flush eyes with copious amounts of water for at least 15 minutes.

Transport.
UN number
1993
Response guide
Hazard class
3
Packing Group
III