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| CAS No.: | 1779-25-5 |
|---|---|
| Name: | DIISOBUTYLALUMINUM CHLORIDE |
| Article Data: | 21 |
| Molecular Structure: | |
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|
|
| Formula: | C8H18 Al Cl |
| Molecular Weight: | 176.665 |
| Synonyms: | Aluminum,chlorodiisobutyl- (8CI); Diisobutylaluminum chloride (6CI);Bis(isobutyl)aluminum chloride; Chlorodiisobutylaluminum; Diisobutylaluminiumchloride; Diisobutylaluminum monochloride; Diisobutylchloroaluminum |
| Density: | g/cm3 |
| Melting Point: | -40°C |
| Boiling Point: | 152°C 10mm |
| Flash Point: | °C |
| Solubility: | Soluble in aromatic, saturated aliphatic and cycloaliphatic hydrocarbon. Reacts with water. |
| Appearance: | white crystalline powder |
| Hazard Symbols: | Strong irritant to tissue. |
| Risk Codes: | 67-65-50/53-35-14/15-11-34-26-17 |
| Safety: | Mildly toxic by inhalation. See also ALUMINUM COMPOUNDS and CHLORIDES. Ignites spontaneously in air. When heated to decomposition it emits toxic fumes of Cl−. |
| PSA: | 0.00000 |
| LogP: | 3.90950 |
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Chemistry
IUPAC Name: Chloro-bis(2-Methylpropyl)Alumane
Following is the structure of Diisobutylaluminum chloride (CAS NO.1779-25-5):
Empirical Formula: C8H18AlCl
Molecular Weight: 176.6631 g/mol
EINECS: 217-216-8
Melting Point: - 40 °C
Flash Point: -18°C
Density: 0.723 g/cm3
Boiling Point: 152°C 10mm
Appearance: colorless clear liquid
Refractive index: n20/D 1.4506(lit.)
Storage tempreture: Flammables area
Atmospheric OH Rate Constant: 2.84E-11 cm3/molecule-sec at 25 °C
Product Categories of Diisobutylaluminum chloride (CAS NO.1779-25-5): Chemical Synthesis; Organoaluminum; Organometallic Reagents
Canonical SMILES: CC(C)C[Al](CC(C)C)Cl
InChI: InChI=1S/2C4H9.Al.ClH/c2*1-4(2)3;;/h2*4H,1H2,2-3H3;;1H/q;;+1;/p-1
InChIKey: HQMRIBYCTLBDAK-UHFFFAOYSA-M
Toxicity Data With Reference
| 1. | ihl-rat LC50:67 ppm/1H | 85JCAE Prehled Prumyslove Toxikologie; Organicke Latky Marhold, J.,Prague,Czechoslovakia, Avicenum.: 1986,1216. | ||
| 2. | ihl-mus LDLo:680 g/kg/15M | MELAAD Medicina del Lavoro. Industrial Medicine. 58 (1967),290. |
Diisobutylaluminum chloride (CAS NO.1779-25-5) hasn't been listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65. And the toxicological properties have not been fully investigated. You can see actual entry in RTECS for complete information.
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Mildly is toxic by inhalation. See also ALUMINUM COMPOUNDS and CHLORIDES. Ignites spontaneously in air. When heated to decomposition, Diisobutylaluminum chloride (CAS NO.1779-25-5) emits toxic fumes of Cl−.
Hazard Codes: 
N,
C,
F,
T+
Risk Statements 67-65-50/53-35-14/15-11-34-26-17
R67:Vapours may cause drowsiness and dizziness.
R65:Harmful: may cause lung damage if swallowed.
R50/53:Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
R35:Causes severe burns.
R14 :Reacts violently with water.
R15:Contact with water liberates extremely flammable gases.
R11:Highly flammable.
R34:Causes burns.
R26:Very toxic by inhalation.
R17:Spontaneously flammable in air.
Safety Statements 6-57-45-43-36/37/39-29-26-16
S6:Keep under ... (there follows the name of an inert gas).
S57:Use appropriate container to avoid environmental contamination.
S43:In case of fire use ... (there follows the type of fire-fighting equipment to be used.)
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
S29:Do not empty into drains.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S16:Keep away from sources of ignition.
RIDADR: 3052
RTECS: BD0560000
HazardClass: 4.3
PackingGroup: I
Standards and Recommendations
ACGIH TLV: TWA 2 mg(Al)/m3
Specification
Diisobutylaluminum chloride , its cas register number is 1779-25-5. It also can be called Alluminio diisobutil-monocloruro ; Aluminum, chlorobis(2-methylpropyl)- ; Aluminum, chlorodiisobutyl- ; Bis(isobutyl)aluminum chloride ; Chlorobis(2-methylpropyl)aluminum ; Dibac ; Diisobutylaluminum chloride ; Diisobutylaluminum monochloride ; and Diisobutylchloroaluminum .
Diisobutylaluminum chloride (CAS NO.1779-25-5) is air sensitive, moisture sensitive. It will react violently with water. While, it should avoid the condition like incompatible materials, ignition sources, temperatures above 150 °C, exposure to moist air or water. It is also incompatibilities with other materials, oxidizing materials, water, acids, alcohols, oxygen, organic halides, moisture. And its hazardous decomposition products are hydrogen chloride, carbon monoxide, carbon dioxide, aluminum oxide. However, its hazardous polymerization will not occur.