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Chemical Name:
tibal;tiba solution;triisobutylalane;triisobutyl-alane;TRI-I-BUTYLALUMINUM;TRIISOBUTYLALUMINUM;tris(isobutyl)alane;triisobutyl-aluminu;TriisobutylAmmonium;ALUMINUM TRIISOBUTYL
Molecular Formula:
Formula Weight:
MOL File:

Triisobutylaluminium Properties

Melting point:
Boiling point:
68-69 °C
0.848 g/mL at 25 °C
refractive index 
Flash point:
−1 °F
storage temp. 
Clear colorless to light yellow
Specific Gravity
Water Solubility 
Air & Moisture Sensitive
CAS DataBase Reference
100-99-2(CAS DataBase Reference)
EPA Substance Registry System
Aluminum, tris(2-methylpropyl)-(100-99-2)
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  F,C,N
Risk Statements  14-17-23/24/25-34-67-65-63-48/20-11-62-51/53
Safety Statements  26-36/37/39-45-61-62-6A-46-43A-16-27-43
RIDADR  UN 3394 4.2/PG 1
WGK Germany  2
RTECS  BD2203500
HazardClass  4.3
PackingGroup  I
HS Code  29319090
Hazardous Substances Data 100-99-2(Hazardous Substances Data)
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
H252 Self-heating in large quantities; may catch fire Self-heating substances and mixtures Category 2 Warning P235+P410, P280, P407, P413, P420
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
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.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
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 …

Triisobutylaluminium price More Price(8)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 257206 Triisobutylaluminum 100-99-2 100g $136 2018-11-20 Buy
Sigma-Aldrich 257206 Triisobutylaluminum 100-99-2 500g $536 2018-11-20 Buy
Alfa Aesar 089057 Triisobutylaluminum 25% w/w in hexane 100-99-2 500g $194 2018-11-20 Buy
Strem Chemicals 93-1358 Tri-i-butylaluminum, min. 95% 100-99-2 225g $195 2018-11-13 Buy
Strem Chemicals 93-1358 Tri-i-butylaluminum, min. 95% 100-99-2 100g $107 2018-11-13 Buy

Triisobutylaluminium Chemical Properties,Uses,Production

Chemical Properties

clear colorless to light yellow solution

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.


Polyolefin catalyst, manufacture of primary alcohols and olefins, pyrophoric fuel.


A mixture of isomers readily prepared by polymerizing isobutylene. A typical mixture is 2,2,4,6,6-pentamethylheptane- 3 and 2-neopentyl-4,4-dimethylpentene-1. May be depolymerized to simpler isobutylene derivatives.

Air & Water Reactions

Pyrophoric. Reacts violently with water producing flammable gas [Rose 1961].

Reactivity Profile

Triisobutylaluminium reacts violently with alcohols, phenols, amines, carbon dioxide, sulfur oxides, nitrogen oxides, halogens, and halogenated hydrocarbons, causing fire and explosion hazards [Handling Chemicals Safely 1980. p. 937].

Health Hazard

Inhalation of smoke from fire causes metal-fume fever (flu-like symptoms). Contact with liquid can cause severe burns of eyes and skin because of spontaneous ignition.

Safety Profile

A poison. Extremely destructive to living tissue. A very dangerous fire hazard; ignites on exposure to air. Incompatible with moisture, acids, air, alcohols, amines, halogens. To fight fire, use CO2, dry sand, dry chemical. Do not use water, foam, or halogenated extinguishing agents. When heated to decomposition it emits acrid smoke and irritating fumes.

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.


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).


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

Triisobutylaluminium Preparation Products And Raw materials

Raw materials

Preparation Products

Triisobutylaluminium Suppliers

Global( 76)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Mainchem Co., Ltd.
+86-0592-6210733 CHINA 32651 55
Infinity SCI 400-106-2016 China 11277 55
J & K SCIENTIFIC LTD. 400-666-7788 +86-10-82848833
+86-10-82849933; China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. +86-(0)21-61259100(Shanghai) +86-(0)755-86170099(ShenZhen) +86-(0)10-62670440(Beijing)
+86-(0)21-61259102(Shanghai) +86-(0)755-86170066(ShenZhen) +86-(0)10-88580358(Beijing) China 40395 62
Alfa Aesar 400-610-6006; 021-67582000
021-67582001/03/05 China 30291 84
Energy Chemical 021-58432009 / 400-005-6266
021-58436166-800 China 44187 61
Beijing Ouhe Technology Co., Ltd +86-10-4006331231;+86-10-51280831;+86-10-82967028
+86-10-82967029 China 12598 60
Shanghai Hanhong Scientific Co.,Ltd. 021-54306202,021-54308259
+86-21-54291107 China 43389 64
BEST-REAGENT 028-85973071 028-85973075
028-85973075 China 9900 57
Tianjin heowns Biochemical Technology Co., Ltd. 400 638 7771 China 14541 57

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