A7698612
Trimethylaluminum solution , 2.0Minn-hexane , 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 |
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) |
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 |
F | 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 |