Home Categories Organic Chemistry Trimethylaluminum solution
A7698512

Trimethylaluminum solution , 2.0Mintoluene , 75-24-1

Synonym(s):
Aluminum trimethanide;Aluminum trimethanide solution;TMA

CAS NO.:75-24-1

Empirical Formula: C3H9Al

Molecular Weight: 72.09

MDL number: MFCD00008252

EINECS: 200-853-0

Update time: 2022-07-08

PRODUCT 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

Description and Uses

Trimethylaluminium can be used as catalyst for olefin polymerization, pyrophoric fuel, manufacture of straight-chain primary alcohols and olefins, to produce luminous trails in upper atmosphere to track rockets.

Safety

Symbol(GHS) 
GHS02,GHS05
Signal word  Danger
Hazard statements  H250-H260-H314
Precautionary statements  P210-P222-P231+P232-P280-P303+P361+P353-P305+P351+P338
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

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