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Triethylaluminum

Triethylaluminum
Triethylaluminum
CAS No.
97-93-8
Chemical Name:
Triethylaluminum
Synonyms
triethylalane;triethyl-alane;Triethylalumine;TRIETHYLALUMINUM;triethyl-aluminu;TRIETHYLALUMINIUM;aluminiumtriethyl;ALUMINUM TRIETHYL;ALUMINUMTRIETHANIDE;Triethylaluminum,93+%
CBNumber:
CB3854738
Molecular Formula:
C6H15Al
Formula Weight:
114.16
MOL File:
97-93-8.mol

Triethylaluminum Properties

Melting point:
-50°C
Boiling point:
128-130°C (50 mmHg)
Density 
0.85 g/mL at 20 °C
vapor pressure 
1 mmHg ( 62.2 °C)
Flash point:
−1 °F
storage temp. 
0-6°C
form 
liquid
color 
colorless
Water Solubility 
reacts
Sensitive 
Air & Moisture Sensitive
BRN 
3587229
InChIKey
VOITXYVAKOUIBA-UHFFFAOYSA-N
CAS DataBase Reference
97-93-8(CAS DataBase Reference)
NIST Chemistry Reference
Triethylaluminum(97-93-8)
EPA Substance Registry System
Aluminum, triethyl-(97-93-8)
SAFETY
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  F,C,N
Risk Statements  14-17-20/21/22-34-67-65-51/53-11-63-48/20-62-14/15-23/24/25-50/53-10
Safety Statements  26-45-62-6A-43A-36/37/39-24/25-16-43-61-33-46
RIDADR  UN 3394 4.2/PG 1
WGK Germany  2
RTECS  BD2050000
10-21
TSCA  Yes
HazardClass  4.3
PackingGroup  I
HS Code  29319090
Hazardous Substances Data 97-93-8(Hazardous Substances Data)
Symbol(GHS):
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501
H250 Catches fire spontaneously if exposed to air Pyrophoric liquids; Pyrorophoric solids Category 1 Danger P210, P222, P280, P302+P334,P370+P378, P422
H260 In contact with water releases flammable gases which may ignite spontaneously Substances And Mixtures Which, In Contact With Water,Emit Flammable Gases Category 1 Danger P223, P231+P232, P280, P335+ P334,P370+P378, P402+P404, P501
H304 May be fatal if swallowed and enters airways Aspiration hazard Category 1 Danger
H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501
H318 Causes serious eye damage Serious eye damage/eye irritation Category 1 Danger P280, P305+P351+P338, P310
H336 May cause drowsiness or dizziness Specific target organ toxicity,single exposure; Narcotic effects Category 3 Warning P261, P271, P304+P340, P312,P403+P233, P405, P501
H361 Suspected of damaging fertility or the unborn child Reproductive toxicity Category 2 Warning P201, P202, P281, P308+P313, P405,P501
H373 May cause damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 2 Warning P260, P314, P501
H401 Toxic to aquatic life Hazardous to the aquatic environment, acute hazard Category 2 P273, P501
H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 1 Warning P273, P391, P501
H411 Toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 2
Precautionary statements:
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P222 Do not allow contact with air.
P223 Keep away from any possible contact with water, because of violent reaction and possible flash fire.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P231+P232 Handle under inert gas. Protect from moisture.
P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P370+P378 In case of fire: Use … for extinction.
P405 Store locked up.
P422 Store contents under …

Triethylaluminum price More Price(15)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 192708 Triethylaluminum solution 25wt. % in toluene 97-93-8 100g $72 2018-11-20 Buy
Sigma-Aldrich 192708 Triethylaluminum solution 25wt. % in toluene 97-93-8 700g $351 2018-11-20 Buy
Alfa Aesar 043243 Triethylaluminum 94% 97-93-8 100g $285 2018-11-20 Buy
Alfa Aesar 089054 Triethylaluminum, 25% w/w in hexane 95% 97-93-8 (c)25g $59 2018-11-20 Buy
Strem Chemicals 13-1850 Triethylaluminum, min. 93% 97-93-8 25g $94 2018-11-13 Buy

Triethylaluminum Chemical Properties,Uses,Production

Chemical Properties

Colorless liquid. Miscible with saturated hydrocarbons.

Chemical Properties

The aluminum alkyls are highly flammable and reactive, colorless to yellow liquids at room temperature. The lighter trialkylaluminums ignite spontaneously in air. They are normally supplied and used in a 20% solution with a hydrocarbon solvent, such as hexane, heptane, benzene, toluene. Properties may depend on solvent. Reacts violently with water.

Uses

Catalyst intermediate for polymerization of olefins, especially ethylene; pyrophoric fuels; production of α-olefins and long-chain alcohols; gas plating of aluminum.

General Description

A colorless liquid. Flammable gas is produced on contact with water.

Air & Water Reactions

Pyrophoric, ignites in moist air [Merck 11th ed. 1989]. Reacts violently with water.

Reactivity Profile

Triethylaluminum reacts violently with water, alcohols, phenols, amines, carbon dioxide, sulfur oxides, nitrogen oxides, halogens, and halogenated hydrocarbons, causing fire and explosion hazards. [Handling Chemicals Safely 1980 p. 929]. A mixture of dimethylformamide and triethyl aluminum exploded when heated [Bretherick 1995].

Health Hazard

Exposure to smoke from fire causes metal-fume fever (flu-like symptoms). Since liquid ignites spontaneously, contact with eyes or skin causes severe burns.

Safety Profile

Extremely destructive to living tissue. A very dangerous fire hazard when exposed to heat or flame. Ignites spontaneously in air. Explodes violently in water. To fight fire, use CO2, dry sand, dry chemical. Do not use water, foam, or halogenated fire-fighting agents. Explosive reaction with alcohols (e.g., methanol, ethanol, propanol), carbon tetrachloride, N,N-dmethylformamide + heat. Incompatible with halogenated hydrocarbons; triethyl borane. When heated to decomposition it emits acrid smoke and irritating fumes. See also ALUMINUM COMPOUNDS and ORGANOMETALS.

Potential Exposure

Alkyl aluminum compounds are used as components of olefin polymerization catalysts. They are also used in the synthesis of higher primary alcohols and in pyrophoric fuels, as a catalyst in making ethylene gas; and in plating aluminum.

First aid

I If this chemical gets into the eyes, remove any contact lenses at once and irrigate immediately for at least 15 minutes, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts the skin, remove contaminated clothing and wash immediately with soap and water. Seek medical attention immediately. If this chemical has been inhaled, remove from exposure, begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR if heart action has stopped. Transfer promptly to a medical facility. When this chemical has been swallowed, get medical attention. Give large quantities of water and induce vomiting. Do not make an unconscious person vomit.

Shipping

ntial fire or explosion hazard. Shipping: UN3399 Organometallic substance, liquid, water-reactive, flammable, Hazard Class: 4.3; Labels: 4.3 Dangerous Dangerous when wet material, 3-Flammable liquid, technical name Required. UN3051-Spontaneously combustible. Also, this material is dangerous when wet. (Note: this number does not appear in the 49/CFR HazMat tables).

Purification Methods

Purify it by fractionation in an inert atmosphere under a vacuum in a 50cm column containing a heated nichrome spiral, taking the fraction b 112-114o/27mm. It is very sensitive to H2O and should be stored under N2. It should not contain chloride ions which can be shown by hydrolysis and testing with AgNO3. [Baker & Sisler J Am Chem Soc 75 4828 5193 1953, NMR: Brownstein et al. J Am Chem Soc 81 3826 1959, Beilstein 4 IV 4398.]

Incompatibilities

The lighter trialkylaluminums ignite spontaneously in air; can self-heat in the air at room temperature without any added energy and may ignite. These compounds are strong reducing agents. Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides. Incompatible with water, oxygen (air), acids, alcohols, phenols, amines, carbon dioxide; sulfur oxides; halogenated compounds, and many other substances

Waste Disposal

Careful incineration

Triethylaluminum Preparation Products And Raw materials

Raw materials

Preparation Products


Triethylaluminum Suppliers

Global( 92)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Hangzhou FandaChem Co.,Ltd.
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J & K SCIENTIFIC LTD. 400-666-7788 +86-10-82848833
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Alfa Aesar 400-610-6006; 021-67582000
021-67582001/03/05 saleschina@alfa-asia.com China 30308 84
Energy Chemical 021-58432009 / 400-005-6266
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Beijing Ouhe Technology Co., Ltd +86-10-4006331231;+86-10-51280831;+86-10-82967028
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