Thallium(I) fluoride

  • Thallousfluoride
Formula
TlF
Structure
Description
white orthorhombic crystals
Uses
Substance is used in the prepn of fluoro esters.

Registry Numbers and Inventories.
CAS
7789-27-7
EC (EINECS/ELINCS)
232-154-1
RTECS
XG4900000
RTECS class
Agricultural Chemical and Pesticide
UN (DOT)
1707
Merck
12,9397
Beilstein/Gmelin
37789 (G)
Canada DSL/NDSL
NDSL
US TSCA
Listed
Korea ECL
Listed

Properties.
Formula
FTl
Formula mass
223.37
Melting point, °C
315
Boiling point, °C
645
Density
8.36 g/cm3 (20 C)
Solubility in water
786 g/L
Heat of vaporization
105.3 kJ/mol

Hazards and Protection.
Storage
Store in a cool, dry place. Store in a tightly closed container.
Handling
Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Use only in a chemical fume hood.
Protection
Wear appropriate protective eyeglasses or chemical safety goggles, protective gloves and clothing to prevent exposure.
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.
Small spills/leaks
Vacuum or sweep up material and place into a suitable disposal container.
Incompatibilities
Strong oxidizing agents, acids.
Decomposition
Hydrogen fluoride.

Fire.
Fire fighting
Wear approved SCBA in full pressure-demand and full protective gear. In case of fire use water spray, dry chemical, carbon dioxide, or chemical foam.

Health.
Exposure effects
   Ingestion
May be fatal or cause blindness if swallowed. The toxicological properties of this substance have not been fully investigated. May cause alopecia (loss of hair).
   Inhalation
May be fatal if inhaled. May cause respiratory tract irritation.
   Skin
May cause skin irritation. May be fatal if absorbed through the skin.
   Eyes
May cause eye irritation.

First aid
 
   Ingestion
Get medical aid immediately. 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.
   Skin
Get medical aid immediately. Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
   Eyes
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower lids. Get medical aid immediately.

Transport.
UN number
1707
Response guide
Hazard class
6.1
Packing Group
II
 
USCG CHRIS Code
zz