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Trimethylaluminium Structure

Trimethylaluminium

Chemical Properties

Melting point 15 °C
Boiling point 126 °C
Density  0.81 g/mL at 25 °C
vapor pressure  69.3 mmHg ( 60 °C)
Flash point 40 °F
storage temp.  0-6°C
solubility  Soluble in aromatic, saturated aliphatic and cycloaliphatic hydrocarbons.
form  Liquid
color  Clear colorless
Specific Gravity 0.688
Odor Corrosive odor and "taste" may be detectable from trimethylaluminum fires
Water Solubility  REACTS
Sensitive  Air & Moisture Sensitive
Hydrolytic Sensitivity 9: reacts extremely rapidly with atmospheric moisture - may be pyrophoric - glove box or sealed system required
BRN  3587197
Exposure limits ACGIH: TWA 50 ppm (Skin)
OSHA: TWA 500 ppm(1800 mg/m3)
NIOSH: IDLH 1100 ppm; TWA 50 ppm(180 mg/m3)
InChIKey JLTRXTDYQLMHGR-UHFFFAOYSA-N
CAS DataBase Reference 75-24-1(CAS DataBase Reference)
NIST Chemistry Reference Trimethylaluminum(75-24-1)
EPA Substance Registry System Aluminum, trimethyl- (75-24-1)

Safety Information

Hazard Codes  F,C,N
Risk Statements  11-14-17-34-50/53-65-67-14/15-63-48/20-51/53-20-62
Safety Statements  26-36/37/39-45-61-62-6A-43A-24/25-16-43-60-33-25-24
RIDADR  UN 3399 4.3/PG 1
WGK Germany  3
RTECS  BD2204000
1-10
Autoignition Temperature Spontaneously ignites in air (even as a frozen solid)
TSCA  Yes
HazardClass  4.3
PackingGroup  I
HS Code  29319090
Toxicity TLV-TWA (ACGIH) 2 mg (Al)/m3

MSDS

Usage And Synthesis

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