methylamine chemical reagents
hongyan wang
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Basic Information
| MF | CH3NH2 |
|---|---|
| CAS No. | 74-89-5 |
| Other Names | MMA |
| Place of Origin | Henan China (Mainland) |
| Purity | 99.9% |
| Brand Name | anyang tianzheng |
| Classification | High Purity Reagents |
methylamine99.9%,Under normal atmospheric pressure is a colorless gas.General pressurized into liquid storage and transportation. Used in pharmaceutical, pesticide, N - methyl pyrrole, surfactants, etc Methylamine other names monomethylamine MMA CAS number74-89-5RTECS numberPF6300000PropertiesMolecular formulaCH5NMolar mass31.06 g mol−1AppearanceColorless GasDensityd40.699 (−10.8 °C) / 0.902 g/cm³, 40w/w% in waterMelting point−94 °C (179.15 K)Boiling point−6 °C (267.2 K)Solubility in water108 g/100 mL (20 °C)Acidity (pKa)10.64 (value for protonated amine, pKaH)Basicity (pKb)3.36Viscosity0.23 cP at 0 °CStructureMolecular shapetetrahedralDipole moment1.31 D (gas)
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