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Engaged in manufacturing Crown Ethers such as 18 crown 6, Dibenzo 18 crwn 6, 15 crown 5.
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Chemical 18-Crown-6cCs no: [17455-13-9] | Specifications: | | | molecular formula: | c12h24o6 | | molecular weight : | 264. 31 | | appearance : | a colorless to faintly yellow low melting solid or oily liquid which may solidify below 30o c | | solubility : | miscible in methanol, benzene and chloroform | | melting range : | 36oc to 42oc | | assay (by gc) : | nlt 98% on gc using capillary column & also available, nlt 99% on gc using capillary column | |  |
| Dibenzo-18-Crown-6CAS No: [14187-32-7] | Molecular formula : | C20H24O6 | | Molecular weight : | 360.4 | | Appearance : | White fibrous needles, slightly hygroscopic. | | Solubility : | Freely soluble in chloroform, soluble in benzene, sparingly soluble in ethanol, methanol at room temperature, insoluble in water | | Melting Range : | 161oC - 163oC (after vacuum drying) | | Moisture (by KF) : | NMT 0.5% | | Ash : | NMT 0.5% | |
Chemical 15-Crown-5CAS No: [33100-27-5] | Molecular formula : | C10H20O5 | | Molecular weight : | 220.27 | | Appearance : | A colorless to slightly yellowish coloured liquid | | Mixibility : | Mixible with most of the organic solvents | | Moisture Content: | Not more than 0.5% | | Refractive Index | About 1.4650 | | Assay (by GC) : | NLT 98.0% | | |
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