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
Excepted Quantities	Forbidden