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404594

Sigma-Aldrich

Methylaluminoxane

10% in toluene

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About This Item

Linear Formula:
[(CH3)0.95(n-C8)H17]0.05AlO]n
CAS Number:
206451-54-9
UNSPSC Code:
12352103
NACRES:
NA.22

vapor pressure

0.76 mmHg ( 60 °C)

Quality Level

100

form

liquid

concentration

10% in toluene

bp

111 °C

density

0.895 g/mL at 25 °C

storage temp.

2-8°C

Related Categories

General description

Methylaluminoxane is an oligomeric compound used as a co-catalyst in olefin polymerization reactions to produce polyolefins.

Application

Dialkylmetallocenes can undergo exchange reactions with methylaluminoxane.

Packaging

The 25 mL Sure/Seal™ bottle is recommended as a single-use bottle. Repeated punctures will likely result in decreased performance of product.

Legal Information

Sure/Seal is a trademark of Sigma-Aldrich Co. LLC

Signal Word

Danger

Hazard Classifications

Aquatic Chronic 3 - Asp. Tox. 1 - Eye Dam. 1 - Flam. Liq. 2 - Pyr. Liq. 1 - Repr. 2 - Skin Corr. 1B - STOT RE 2 Inhalation - STOT SE 3 - Water-react 1

Target Organs

Central nervous system

Storage Class Code

4.2 - Pyrophoric and self-heating hazardous materials

WGK

WGK 3

Flash Point(F)

39.2 °F

Flash Point(C)

4 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Reactivity trends of lewis acidic sites in methylaluminoxane and some of its modifications
Zaccaria, Francesco and Budzelaar
Inorganic Chemistry, 59, 5751-5759 (2020)
Resconi, L.
Macromolecules, 23, 4489-4489 (1990)
Spectroscopic studies of synthetic methylaluminoxane: Structure of methylaluminoxane activators
Joshi, Anuj and Collins
Chemistry?A European Journal , 27, 8753-8763 (2021)

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