Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity Transport Information
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Triethyl borate(150-46-9)

Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity Transport Information

Product Identification

Product Name
Triethyl borate
Synonyms
Boric acid, triethyl ester
Boron ethoxide
Boron triethoxide
CAS
150-46-9
Formula
C6H15BO3
Molecular Weight
145.99
EINECS
205-760-9
RTECS
ED5075000
RTECS Class
Primary Irritant
Beilstein/Gmelin
1699052
Beilstein Reference
4-01-00-01365
EC Class
highly flammable

Physical and Chemical Properties

Appearance
Clear, colorless liquid.
Solubility in water
Decomposes
Melting Point
-84.8
Boiling Point
117
Density
0.887 g/cm3 (0 C)
Usage
Used in special effects and pyrotechnics. Used as a solvent and/or catalyst in preparation of synthetic waxes, resins, paints, and varnishes.
Vapor Density
5.03
Refractive Index
1.3749 (20 C)

First Aid Measures

Ingestion
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid.
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.

Handling and Storage

Storage
Keep away from sources of ignition. Store in a cool, dry place. Store in a tightly closed container. Keep under a nitrogen blanket. Flammables-area.
Handling
Wash thoroughly after handling. Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Take precautionary measures against static discharges.

Hazards Identification

Inhalation
May cause respiratory tract irritation.
Skin
May cause skin irritation.
Eyes
May cause eye irritation.
Ingestion
May cause irritation of the digestive tract.
Hazards
Vapors can travel to a source of ignition and flash back.
EC Risk Phrase
R 11
EC Safety Phrase
S 9 16
UN (DOT)
1176

Exposure Controls/Personal Protection

Personal Protection
Eyes: Wear chemical goggles. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear a chemical apron.
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.
Exposure Effects
The toxological properties of this substance have not been fully investigated.

Fire Fighting Measures

Flash Point
11.1
Fire Fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Will burn if involved in a fire. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.
Fire Potential
Highly flammable.

Accidental Release Measures

Small spills/leaks
Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container. Remove all sources of ignition. Use a spark-proof tool.

Stability and Reactivity

Stability
No data.
Incompatibilities
Strong oxidizing agents, strong acids, moist air or water.
Decomposition
Carbon monoxide, carbon dioxide, oxides of boron.
Combustion Products
Fire may produce irritating, corrosive and/or toxic gases.

Transport Information

UN Number
1176
Hazard Class
3
Packing Group
II
HS Code
2920 90 85
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