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
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Tributyl borate(688-74-4)

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

Product Identification

Product Name
Tributyl borate
Synonyms
Boron tributoxide
Butyl borate
n-Butyl borate
Tributoxyborane
Tributoxyborine
Tri-n-butoxyborane
CAS
688-74-4
Formula
C12H27BO3
Molecular Weight
230.2
EINECS
211-706-5
RTECS
ED4900000
RTECS Class
Primary Irritant
Beilstein/Gmelin
1703865
Beilstein Reference
4-01-00-01544

Physical and Chemical Properties

Appearance
Oil.
Solubility in water
Insoluble
Melting Point
-70
Boiling Point
230
Vapor Pressure
0.1 (25 C)
Density
0.8567 g/cm3 (20 C)
Partition Coefficient
6.23
Heat Of Vaporization
44.8 kJ/mol
Usage
Welding fluxes, intermediate in preparation of borohydrides, flame retardant for textiles (with boric acid).
Vapor Density
7.95
Refractive Index
1.4118 (17 C)

First Aid Measures

Ingestion
Get medical aid. Wash mouth out with water.
Inhalation
Remove from exposure to fresh air immediately.
Skin
Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids.

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.
Handling
Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.

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.
EC Risk Phrase
R 36/38
EC Safety Phrase
S 26 36

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
Significant ingestions or dermal exposures can be associated with weak, rapid pulse, cyanosis and abnormally low blood pressure. The patient may present with reduced body temperature, elevated body temperature or normal body temperature. Headache, lethargy, restlessness, weakness, CNS irritation, and/or seizures may occur with long term or repeated exposures. There is insufficient information concerning the reproductive effects of borates in humans. Adverse testicular effects and infertility have been reported in animals. <br>There have been limited animal studies which suggest decreased ovulation, fetotoxicity and developmental defects may occur with very high exposure levels. Maternal toxicity was present in some studies.
Poison Class
4

Fire Fighting Measures

Flash Point
93
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. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.

Accidental Release Measures

Small spills/leaks
Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container.

Stability and Reactivity

Stability
No data.
Incompatibilities
Strong oxidizing agents, strong acids, moist air or water.
Decomposition
Carbon monoxide, carbon dioxide, oxides of boron.
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