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