Plumbane, tetramethyl- cas no:75-74-1

NamePlumbane, tetramethyl-
CAS75-74-1
SynonymsLead,tetramethyl- (6CI,7CI); Tetramethyllead; Tetramethylplumbane
EINECS(EC#)200-897-0
Molecular FormulaC4H12 Pb
Molecular Weight267.35

Appearancecolourless liquid
refractive indexn20/D 1.497
storage tempProtect against physical damage. Outside or detached storage is preferred. Inside storage should be in a standard flammable liquids storage room or cabinet. Separate from halogens and other oxidizing agents. Protect against electrical sparks, open flames, or other heat sources. Tank storage should be protected by dikes, diversion walls or ditches and be sprinkled.

Hazardclass6.1(a)

Hazard Flammable, moderate fire risk. Toxic by ingestion, inhalation, and skin absorption. Lower explosion level 1.8%. TLV: 0.15 mg(Pb)/m3. Toxic by skin absorption.
Risk 61-10-26/27/28-33-38-50/53-62
Safety Poison by ingestion, intraperitoneal, parenteral, and intravenous routes. Moderately toxic by skin contact. An experimental teratogen. Experimental reproductive effects. Lead and its compounds have dangerous central nervous system effects. A flammable liquid and very dangerous fire hazard when exposed to heat, flame, or oxidizers. Moderate explosion hazard in the form of vapor when exposed to flame. May explode when heated above 90°C. Explosive reaction with tetrachlorotrifluoromethyl phosphorane. Can react vigorously with oxidizing materials. To fight fire, use water, foam, CO2, dry chemical. When heated to decomposition it emits toxic fumes of Pb. Used as an octane enhancer for gasoline. See also LEAD COMPOUNDS.Analytical Methods:   For occupational chemical analysis use NIOSH: Tetramethyl Lead (as Pb), 2534.

Vapors are very toxic. Fatal lead poisoning may occur by ingestion, vapor inhalation or skin absorption. Several cases of acute toxicity, usually in the form of degenerative brain disease, have been described following occupational exposure.