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Description and features

Vicura MC-31 (2-phenyl-2-imidazoline) is an off-white powder which has C9H10N2 as chemical formula. It can be used as a crosslinker for highly reactive epoxy powder coatings, accelerator for dicyandiamide, epoxy/polyester hybrids and epoxy phenolic powder coatings.

2-phenyl2-imidazoline is also known as 2-Phenyl-4,5-dihydro-1H-imidazole and 4,5-Dihydro-2-phenyl-1H-imidazole.


Europe and United States: Provided Vicura MC-31 is on stock in our local warehouses our lead time is about one week if delivered in 25 KG fiber drums.

Canada, South America, South Africa and other markets can also be served, please contact our sales department for more details.

This substance (CAS: 936-49-2) has been pre-registered under REACH (EC) 1907/2006. FULL REACH registration will be completed in the course of 2020.

Product Identification

CAS number936-49-2
EC number213-313-4
HS code2933 2990 90


AppearanceOff- white powder
Assay≥98.00 %
Melting range98 – 102 °C


In epoxy system, used as low temperature fast hardener may achieve curing rate 130 °C x 20 minutes. In dicyandiamide or hybrid system, use as an accelerator.


Available packaging: 25 KG fiber drums.
Special packaging is available on request.


Store 2-phenyl-2-imidazoline in a cool, dry and well-ventilated area and in line with legal requirements.


A Material Safety Data Sheets (MSDS) is available for Vicura MC-31 and all other products supplied by Vesta Chemicals.

An MSDS describes the hazards of a product and explains how a product can be safely handled, used and stored. Besides it provides important regulatory and emergency response information for the purchased product.

Molecular and structural information

Molecular formula C9H10N2
Molecular weight 146.19 g/mol
Smiles notation C1CN=C(N1)C2=CC=CC=C2
Structural formula: 936-49-2. 2-phenyl-2-imidazoline

Physicochemical information

Bulk density 450 kg/m3 @ 20 ºC
Flash point 151 ºC @ 1 atm
Melting point >98 – < 102 ºC at 1 atm
Partition coefficient (log Pow)
2.45 @ 25 ºC
Solubility in water
11 g/l @ 20 ºC / PH 11.3
Vapor pressure (MGM) 0.001 hPa @ 20 ºC

2-phenyl-2-imidazoline | CAS: 936-49-2 | Disclaimer. This information is supplied solely for informational purposes and Vesta Chemicals bv makes no guarantees or warranties, either expressed or implied, with respect to the accuracy and use of this data. All product warranties and guarantees shall be governed by the Standard Terms of Sale. Nothing in this document is legal advice or is a substitute for competent legal advice.