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120144-90-3

Methylaluminoxane (MAO) is a widely used cocatalyst in olefin polymerization and oligomerization, particularly in conjunction with transition metal complexes to enhance catalytic activity. It plays a crucial role in activating metal centers, stabilizing cationic species, and facilitating chain propagation in ethylene and propylene reactions. MAO is often employed alongside modified methylaluminoxane (MMAO) or other aluminum-based cocatalysts to optimize polymerization conditions, improve selectivity, and control molecular weight distributions in industrial processes such as the production of linear α-olefins, polyethylene, and propylene-based oligomers. Its effectiveness depends on factors like Al/M molar ratios, temperature, and monomer pressure.

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  • 120144-90-3 Structure

  • Basic information

    1. Product Name: METHYLALUMINOXANE
    2. Synonyms: Methylaluminoxane,10 wt.% (1.5M) solution intoluene;MethylaluminoxaneMAO;Poly[oxy(methylaluminio)];Methylaluminoxane ,10% Solution in Toluene [10% Solution in Toluene];Methylaluminoxane, 10 wt.% (1.5M) solution in toluene, AcroSeal§3;MAO 10% in Toluene;Methylaluminoxane solution 10t. % in toluene;Methylaluminoxane, 10 wt.% (1.5M) solution in toluene, AcroSeal
    3. CAS NO:120144-90-3
    4. Molecular Formula: C3H9Al3O3X2
    5. Molecular Weight: 174.05
    6. EINECS: N/A
    7. Product Categories: Organometallic Reagents;Metal Compounds;Chemical Synthesis;Organoaluminum
    8. Mol File: 120144-90-3.mol

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: 111 °C
    3. Flash Point: N/A
    4. Appearance: /
    5. Density: 0.875 g/mL at 25 °C
    6. Vapor Pressure: 0.76 mm Hg ( 60 °C)
    7. Refractive Index: N/A
    8. Storage Temp.: 2-8°C
    9. Solubility: N/A
    10. CAS DataBase Reference: METHYLALUMINOXANE(CAS DataBase Reference)
    11. NIST Chemistry Reference: METHYLALUMINOXANE(120144-90-3)
    12. EPA Substance Registry System: METHYLALUMINOXANE(120144-90-3)

  • Safety Data

    1. Hazard Codes: F,C,Xn
    2. Statements: 11-14-17-34-48/20-63-65-67-38
    3. Safety Statements: 26-36/37/39-45-62-36/37
    4. RIDADR: UN 3394 4.2/PG 1
    5. WGK Germany: 2
    6. RTECS:
    7. HazardClass: N/A
    8. PackingGroup: N/A
    9. Hazardous Substances Data: 120144-90-3(Hazardous Substances Data)

120144-90-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 120144-90-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,1,4 and 4 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 120144-90:
(8*1)+(7*2)+(6*0)+(5*1)+(4*4)+(3*4)+(2*9)+(1*0)=73
73 % 10 = 3
So 120144-90-3 is a valid CAS Registry Number.

120144-90-3SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 20, 2017

Revision Date: Aug 20, 2017

1.Identification

1.1 GHS Product identifier

Product name METHYLALUMINOXANE

1.2 Other means of identification

Product number -
Other names MAO in Toluene

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:120144-90-3 SDS

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