ChemicalBook > CAS DataBase List > Triisobutylaluminum

Triisobutylaluminum

Product Name
Triisobutylaluminum
CAS No.
100-99-2
Chemical Name
Triisobutylaluminum
Synonyms
TRIISOBUTYLALUMINUM;tibal;TriisobutyL;tiba solution;triisobutylalane;triisobutyl-alane;triisobutyl-aluminu;TriisobutylAmmonium;tris(isobutyl)alane;TRI-I-BUTYLALUMINUM
CBNumber
CB5356155
Molecular Formula
C12H27Al
Formula Weight
198.32
MOL File
100-99-2.mol
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Triisobutylaluminum Property

Melting point:
4-6°C
Boiling point:
68-69 °C
Density 
0.848 g/mL at 25 °C
vapor pressure 
75Pa at 25℃
refractive index 
1.4494
Flash point:
−1 °F
storage temp. 
0-6°C
form 
Solution
Specific Gravity
0.848
color 
Clear colorless to light yellow
Water Solubility 
reacts
Sensitive 
Air & Moisture Sensitive
Hydrolytic Sensitivity
10: reacts extremely rapidly with moisture and oxygen - may be pyrophoric - sealed system required
Merck 
14,326
BRN 
3587328
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
MCULRUJILOGHCJ-UHFFFAOYSA-N
CAS DataBase Reference
100-99-2(CAS DataBase Reference)
EPA Substance Registry System
Triisobutyl aluminum (100-99-2)
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Safety

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
F 
10
TSCA 
Yes
HazardClass 
4.3
PackingGroup 
I
HS Code 
29319090
Hazardous Substances Data
100-99-2(Hazardous Substances Data)
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H225Highly Flammable liquid and vapour

H250Catches fire spontaneously if exposed to air

H260In contact with water releases flammable gases which may ignite spontaneously

H304May be fatal if swallowed and enters airways

H314Causes severe skin burns and eye damage

H336May cause drowsiness or dizziness

H373May cause damage to organs through prolonged or repeated exposure

H412Harmful to aquatic life with long lasting effects

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P231+P232Handle under inert gas. Protect from moisture.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P330+P331IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P370+P378In case of fire: Use … for extinction.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
257206
Product name
Triisobutylaluminum
Packaging
500g
Price
$564
Updated
2023/06/20
Alfa Aesar
Product number
089057
Product name
Triisobutylaluminum
Purity
25% w/w in hexane
Packaging
500g
Price
$200
Updated
2021/12/16
Strem Chemicals
Product number
93-1358
Product name
Tri-i-butylaluminum, min. 95%
Packaging
100g
Price
$343
Updated
2024/03/01
Strem Chemicals
Product number
93-1358
Product name
Tri-i-butylaluminum, min. 95%
Packaging
225g
Price
$617
Updated
2024/03/01
Sigma-Aldrich
Product number
423793
Product name
Triisobutylaluminum solution
Purity
1.0M in hexanes
Packaging
100ml
Price
$95.3
Updated
2024/03/01
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Triisobutylaluminum Chemical Properties,Usage,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.

Uses

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

Uses

Triisobutylaluminum is used as a reducingagent. It is also used in combinationwith transition metal compounds as aZiegler-Natta catalyst in polymerization andhydrogenation reactions. A dilute solution ofthe compound is employed in commercialapplications.

Uses

Triisobutylaluminium is a useful reagent for preparing anti-corrosive coating materials.

Preparation

Triisobutylaluminum can be prepared by the reaction of activated aluminum with hydrogen and isobutylene at elevated temperature and pressure. The usual procedure for carrying out the reaction has been to charge activated aluminum, customarily as a slurry in the previously prepared product when available, sufficient isobutylene for the conversion of a substantial amount of the aluminum, and finally, sufficient hydrogen pressure, incrementally to maintain an acceptable reaction rate.

Definition

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. Being moisture sensitive, the pure liquid orits concentration solution can cause serverburns to the skin.

Fire Hazard

It is a highly pyrophoric compound, igniting spontaneously in air. The flash point is measured to be －18°C ( －1°F) (Aldrich 1996). A 1.0 M solution in hexane or toluene is pyrophoric too. It decomposes explosively with water. Reactions with lower alcohols, halogenated hydrocarbons, halogens, and common oxidizing substances can be violent or explosive. Triisobutylaluminum is thermally less stable than triethylaluminum, decomposing above 50°C (122°F), producing isobutene and hydrogen.

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.

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).

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

Triisobutylaluminum Preparation Products And Raw materials

Raw materials

Isobutylene Aluminum Synthetic fibre

Preparation Products

Citronellol polyphenylene (IV)
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Triisobutylaluminum Suppliers

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View Lastest Price from Triisobutylaluminum manufacturers

Qingdao RENAS Polymer Material Co., Ltd.
Product
Triisobutylaluminum 100-99-2
Price
US $0.00/kg
Min. Order
20kg
Purity
99%
Supply Ability
20 tons
Release date
2024-08-29
Career Henan Chemical Co
Product
Triisobutylaluminium 100-99-2
Price
US $7.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
100KG
Release date
2019-08-29

100-99-2, TriisobutylaluminumRelated Search:

Triethylaluminum Diisobutylaluminium hydride 1-Bromo-2-methylpropane Triisobutyl phosphate Isobutaneboronic acid Aluminium isopropoxide Triisopentylamine Triisooctylamine Zinc oxide 2-Pentanone tert-Butanol Benzenesulfonic acid PETROLEUM ETHER 4-Methyl-2-pentanone TRIISOBUTYLENE Aluminium hydride Dimethylaluminum hydride TRI-N-PROPYLALUMINIUM

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  • Triisobutylaluminium ISO 9001：2015 REACH
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