Description and features
Iniper MAI (Dimethyl 2,2′-azobis(2-methylpropionate)) is a white solid with the chemical formula C10H18N2O4. Manufacturers use Iniper MAI as a polymerization initiator in the production of polyols and polyester polyols. Additionally, it is a non-nitrile azo-initiator that is soluble in a wide variety of organic solvents.
Furthermore, people recognize this substance as 2,2-Azobisisobutyric acid dimethyl ester and dimethyl 2,2′-(diazene-1,2-diyl)bis(2-methylpropanoate).
Availability
Europe: Iniper MAI ( Dimethyl 2,2′-azobis(2-methylpropionate) is
in stock in our local warehouses. Our lead time is about one week if delivered in 20KG carton boxes.
We can also serve Canada, South America, South Africa, and other markets. Please contact our sales department for more details.
➔ Limited availability in the European Union as this product has not been REACH registered (yet).
Product Identification
| CAS number | 2589-57-3 |
| EC number | 219-976-6 |
| HS code | 2927 00 00 |
| IUPAC name | Dimethyl 2,2′-Azobis(2-methylpropionate) |
Specification
| Appearance | Light yellow or dark-white crystal granules |
| Assay | ≥98.00 % |
| Fe | ≤ 500 ppm |
| MMA (HPLC) | ≤0.80 % |
| Water | ≤1.00 % |
Application
Manufacturers use Iniper MAI (Dimethyl 2,2-azobis(2-methylpropionate)) in the production of polyols and polymer polyols.
Packaging
Available packaging: 20 KG carton boxes.
Special packaging is available on request.
Storage
Store Dimethyl 2,2′-azobis(2-methylpropionate) (MAI) in a cool, dry and well-ventilated area and in line with legal requirements at maximum 10 °C.
Keep away from heat sources, ignition sources. Do not seal container gastight.
MSDS
A Material Safety Data Sheet (MSDS) is available for Iniper MAI and all other products supplied by Vesta Chemicals BV.
An MSDS outlines the hazards of a product and explains how to handle, use, and store the product safely. Besides it provides important regulatory and emergency response information for the purchased product.
Molecular and structural information
| Molecular formula | C10H18N2O4 |
| Molecular weight | 230.26 g/mol |
| Smiles notation | CC(C)(C(=O)OC)N=NC(C)(C)C(=O)OC |
| InChi key | ZQMHJBXHRFJKOT-UHFFFAOYSA-N |
| Structural formula |  |
Physicochemical information
| Boiling point | Decomposes before boiling |
| Density | 1.060 kg/m3 |
| SADT | 35 °C |
| Melting point | 22 – 28 °C |
| Partition coefficient (log Pow) | 1.34 @ 20 °C |
| Solubility in water | Insoluble |
| Vapor pressure | 0.0244 mmHg @ 25 °C |