二异丁基氯化铝

Description

Di-i-butylaluminum chloride · CAS 1779-25-5 · C8H18AlCl. UNII 1833W98UUG. Boiling Point: 108 °C @ 0.13 kPa; Melting Point: -40 °C; Density: 0.9118 g/mL @ 25 °C.

Identification

CAS Registry Number	1779-25-5
PubChem CID	15688
Molecular formula	C8H18AlCl
IUPAC name	chloro-bis(2-methylpropyl)alumane
UNII (FDA)	1833W98UUG

Computed Descriptors

Molecular Weight	176.66
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	0
Rotatable Bond Count	4
Exact Mass	176.0912417
Monoisotopic Mass	176.0912417
Topological Polar Surface Area	0
Heavy Atom Count	10
Formal Charge	0
Complexity	71.3

Physical & Chemical Properties

Boiling Point	108 °C @ 0.13 kPa
Melting Point	-40 °C
Density	0.9118 g/mL @ 25 °C
Other Experimental Properties	Freezing point: -39.5 °C

Physical description & handling notes

• CBI
• Colorless liquid; [Hawley]
• Colorless liquid
• Low melting solids or colorless, volatile liquids. /Alkylaluminum halides/
• Less sensitive than trialkylaminums to oxidation upon exposure to air. /Alkylaluminum halides/
• When heated to decomposition ... emits toxic fumes of /hydrogen chloride/.

GHS Hazard Classification

Reported hazard statements	H225 (26.6%), H250 (97.4%), H260 (72.7%), H261 (27.3%), H314 (100%), H318 (68.2%), H330 (27.3%)

Documented 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]
• Toxic Gas from Spilling Chemical in Water [Category: Other]
• POLYMERIZATION CATALYST FOR E-P-D ELASTOMERS
• Reaction of isobutylene and hydrogen with aluminum chloride
• REACTION OF TRIISOBUTYLALUMINUM WITH ALUMINUM CHLORIDE & SUBSEQUENT DISTILLATION
• ESSENTIALLY 100% AS A POLYMERIZATION CATALYST FOR ETHYLENE-PROPYLENE-DIENE (E-P-D) ELASTOMERS

Synonyms

Diisobutylaluminum chloride; 1779-25-5; Aluminum, chlorobis(2-methylpropyl)-; Chlorodiisobutylaluminum; Diisobutylchloroaluminum; Aluminum, chlorodiisobutyl-; Diisobutylaluminum monochloride; BIS(ISOBUTYL)ALUMINUM CHLORIDE; HSDB 5856; Chlorobis(2-methylpropyl)aluminum; diisobutyl aluminum chloride; EINECS 217-216-8; Alluminio diisobutil-monocloruro; Alluminio diisobutil-monocloruro [Italian]; chlorobis(2-methylpropyl)alumane; 1833W98UUG

Frequently Asked Questions

What are the CAS number and molecular formula of Di-i-butylaluminum chloride?

CAS 1779-25-5; molecular formula C8H18AlCl; molecular weight — g/mol.

What other names is Di-i-butylaluminum chloride known by?

Diisobutylaluminum chloride, 1779-25-5, Aluminum, chlorobis(2-methylpropyl)-, Chlorodiisobutylaluminum, Diisobutylchloroaluminum, Aluminum, chlorodiisobutyl-.

Is Di-i-butylaluminum chloride classified as hazardous?

Hazard statements reported: H225, H250, H260, H261, H314.

What are the key physical properties of Di-i-butylaluminum chloride?

Boiling Point: 108 °C @ 0.13 kPa; Melting Point: -40 °C; Density: 0.9118 g/mL @ 25 °C; Other Experimental Properties: Freezing point: -39.5 °C.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.