Rubidium

Formula
Rb
Structure
Description
A soft silvery metal. Shipped in very limited quantities sealed in a copper tube and over packed in a wooden box.
Uses
Used in electronics.

Registry Numbers and Inventories.
CAS
7440-17-7
EC (EINECS/ELINCS)
231-126-6
RTECS
VL8500000
RTECS class
Other
UN (DOT)
1423
Merck
12,8439
Beilstein/Gmelin
16244 (G)
Swiss Giftliste 1
G-9582
Canada DSL/NDSL
NDSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Korea ECL
Listed

Properties.
Formula
Rb
Formula mass
85.46
Melting point, °C
39
Boiling point, °C
700
Vapor pressure, mmHg
0.06 (250 C)
Density
0.83 g/cm3 (1399.85 C)
Solubility in water
Reacts
Dipole moment
0.27 D
Thermal expansion
0.000337/K (40 C)
Heat of fusion
2.2 kJ/mol
Heat of vaporization
75.8 kJ/mol

Hazards and Protection.
Storage
Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.
Handling
All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.
Protection
Wear appropriate protective gloves, clothing and goggles.
Respirators
Wear positive pressure self-contained breathing apparatus (SCBA).
Small spills/leaks
Do not use water. Keep sparks, flames, and other sources of ignition away. Keep material out of water sources and sewers. Keep material dry. Do not attempt to sweep up dry material.
Stability
No data.
Incompatibilities
Interaction with mercury is exothermic and may be violent,.

Fire.
Fire fighting
Do not use water. Do not use carbon dioxide. Use graphite, soda ash, powdered sodium chloride, or suitable dry powder.
Fire potential
Produce flammable gases on contact with water.
Hazards
Produce flammable gases on contact with water. May ignite on contact with water or moist air. Some react vigorously or explosively on contact with water. May be ignited by heat, sparks or flames. May re-ignite after fire is extinguished. Some are transported in highly flammable liquids. Runoff may create fire or explosion hazard.
Combustion products
Fire will produce irritating, corrosive and/or toxic gases.
Health
2
 
Flammability
3
 
 
Special
W

Health.
Poison_Class
2
Exposure effects
The toxological properties of this substance have not been fully investigated.
   Inhalation
Inhalation or contact with vapors, substance, or decomposition products may cause severe injury or death.
   Skin
See inhalation.
   Eyes
See Inhalation.

First aid
 
   Ingestion
Seek medical assistance.
   Inhalation
Move victim to fresh air. Apply artificial respiration if victim is not breathing. Administer oxygen if breathing is difficult.
   Skin
Remove and isolate contaminated clothing and shoes. In case of contact with substance, wipe from skin immediately. Flush with running water for at least 20 minutes.
   Eyes
Flush with running water for at least 20 minutes.

Transport.
UN number
1423
Response guide
Hazard class
4.3
Packing Group
I
 
Std. Transport #
4916449