| Agent Name | Bis(isobutyl)aluminum chloride |
|---|---|
| CAS Number | 1779-25-5 |
| Formula | C8-H18-Al-Cl |
| Major Category | Metals |
| Synonyms | Alluminio diisobutil-monocloruro [Italian]; Aluminum, chlorobis(2-methylpropyl)-; Aluminum, chlorodiisobutyl-; Chlorobis(2-methylpropyl)aluminum; Chlorodiisobutylaluminum; Dibac; Diisobutylaluminum chloride; Diisobutylaluminum monochloride; Diisobutylchloroaluminum; [ChemIDplus] UN3052 |
| Category | Metals, Organic Compounds |
| Description | Colorless liquid; [Hawley] |
| Sources/Uses | Used as a polymerization catalyst; [HSDB] Organic aluminum compounds are "some of the most important, highest volume, highest value organometallic compounds in production." [Ullmann] |
| Comments | Aluminum alkyl halides release large amounts of HCl when spilled in water; [ERG 2016] Reacts violently with water, liberating extremely flammable gases; Spontaneously flammable in air; A corrosive substance that can cause injury to the skin, eyes, and respiratory tract; Inhalation may result in laryngeal edema and chemical pneumonitis; [MSDSonline] HCl released when spilled in water; [ERG 2016] Organoaluminum compounds are corrosive; Harmful if absorbed through the skin or inhaled; The butyl alkyls and below are pyrophoric; Aluminum alkyls are eye irritants; [HSDB] Organic aluminum compounds can cause irritation or burns, depending upon concentration; [Ullmann] TLV withdrawn for aluminum alkyls because of inadequate toxicological data; [ACGIH] See "Aluminum." See "ORGANOMETALS." |
| Exposure Assessment | |
| TIH | Yes |
| Dangerous When Wet | Yes - A material that, by contact with water, is liable to become spontaneously flammable or to give off flammable or toxic gas at a rate greater than 1 L per kilogram of the material, per hour; [ERG 2004] |
| Lethal Concentration | LC50 (rat) = 67 ppm |
| Explanatory Notes | Not TIH in land-based spills, but TiH substance released when spilled in water; [ERG 2016] The Guide in the Emergency Response Guidebook is for "Aluminum alkyl halides." |
| Adverse Effects | |
| Toxic Pneumonitis | Yes |
| Dermatotoxin | Skin Burns |
| Links to Other NLM Databases | |
| Health Studies | Human Health Effects from Hazardous Substances Data Bank: |
| Toxicity Information | |
| Chemical Information | |
| Related Information in HazMap | |
| Diseases | Occupational diseases associated with exposure to this agent: |
| Processes | Industrial Processes with risk of exposure: |
Agent Name
Bis(isobutyl)aluminum chloride
CAS Number
1779-25-5
Formula
C8-H18-Al-Cl
Major Category
Metals
Synonyms
Alluminio diisobutil-monocloruro [Italian]; Aluminum, chlorobis(2-methylpropyl)-; Aluminum, chlorodiisobutyl-; Chlorobis(2-methylpropyl)aluminum; Chlorodiisobutylaluminum; Dibac; Diisobutylaluminum chloride; Diisobutylaluminum monochloride; Diisobutylchloroaluminum; [ChemIDplus] UN3052
Category
Metals, Organic Compounds
Description
Colorless liquid; [Hawley]
Sources/Uses
Used as a polymerization catalyst; [HSDB] Organic aluminum compounds are "some of the most important, highest volume, highest value organometallic compounds in production." [Ullmann]
Comments
Aluminum alkyl halides release large amounts of HCl when spilled in water; [ERG 2016] Reacts violently with water, liberating extremely flammable gases; Spontaneously flammable in air; A corrosive substance that can cause injury to the skin, eyes, and respiratory tract; Inhalation may result in laryngeal edema and chemical pneumonitis; [MSDSonline] HCl released when spilled in water; [ERG 2016] Organoaluminum compounds are corrosive; Harmful if absorbed through the skin or inhaled; The butyl alkyls and below are pyrophoric; Aluminum alkyls are eye irritants; [HSDB] Organic aluminum compounds can cause irritation or burns, depending upon concentration; [Ullmann] TLV withdrawn for aluminum alkyls because of inadequate toxicological data; [ACGIH] See "Aluminum." See "ORGANOMETALS."
Exposure Assessment
TIH
Yes
Dangerous When Wet
Yes - A material that, by contact with water, is liable to become spontaneously flammable or to give off flammable or toxic gas at a rate greater than 1 L per kilogram of the material, per hour; [ERG 2004]
Lethal Concentration
LC50 (rat) = 67 ppm
Explanatory Notes
Not TIH in land-based spills, but TiH substance released when spilled in water; [ERG 2016] The Guide in the Emergency Response Guidebook is for "Aluminum alkyl halides."
Adverse Effects
Toxic Pneumonitis
Yes
Dermatotoxin
Skin Burns
Links to Other NLM Databases
Health Studies
Human Health Effects from Hazardous Substances Data Bank:
Toxicity Information
Chemical Information
Related Information in HazMap