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Alias: aminomethane; Methanamine; Amine methane (steel cylinder); Methylamine. CAS No. 74-89-5 Physical and chemical properties of monomethylamine Main components: pure product Appearance and properties: colorless gas, with ammonia like odor. Melting point (℃): - 93.5. Boiling point (℃): - 6.8. Relative density (water=1): 0.66. Relative vapor density (air=1): 1.09. Vapor pressure (kPa): 202.65 (25 ℃). Combustion heat (kJ/mol): 1059.6. Octanol water partition coefficient (KOW): -0.173 Main use Monomethylamine has a wide range of industrial uses

2021/10/28 11:36:58

Methyl acetate: methyl acetate content ≥ 99.90 (%), density 0.92 (g/cm3), quality standard, standard packaging specification 180kg/barrel CAS79-20-90.9, physical and chemical properties of methyl acetate, appearance: colorless liquid, aromatic, water solubility: 31.9g/100ml (20 ℃), melting point: - 98 ° C2500, boiling point: 57-58 ° C (lit.) 1, density: 0.932g/mLat25 ° C (lit.), vapor density: 2.55 (vsair) Vapor pressure: 165mmHg (20 ° C)

2021/10/25 10:32:42

Cyclopentane molecular formula C5H10 physical form liquid CAS287-92-3150kg/barrel is used as solvent, foaming agent (instead of Freon) in the preparation of polyurethane foam and chromatographic reference material. Physical properties Molecular weight 70.13 Melting point: - 94.4 ℃ Boiling point: 49.3 ℃ Flash point: - 37 ℃ Refractive index: n20D1.4068 Vapor pressure: 45 (20 ℃)

2021/10/25 10:29:41

Chinese name Maleic anhydride English name Maleic anhydride Maleic anhydride, dehydration malic anhydride chemical formula C4H2O3 molecular weight 98.06CAS registration number 108-31-620kg/bag Shandong large maleic anhydride, maleic anhydride production base, maleic anhydride, dehydration malic anhydride, oligomeric maleic anhydride manufacturer, national standard maleic anhydride purity is high, quality is good, spot sale! provide home delivery service! It is the ideal choice for your raw materials! Maleic anhydride, also known as maleic anhydride, maleic anhydride, 2,5-furandione, etc. The rhombic system is colorless acicular or lamellar crystal

2021/10/25 10:26:32

Glacial acetic acid, also known as acetic acid (36% - 38%), glacial acetic acid (98%), chemical formula CH3COOH, is a kind of monoacid, which is the main component of vinegar. Pure anhydrous acetic acid (glacial acetic acid) is a colorless hygroscopic solid with a freezing point of 16.6 ℃ (62 ℉). After solidification, it is a colorless crystal. Its aqueous solution is weakly acidic and highly corrosive. Physical properties are strong. English name: AcidAcid Other name: glacial acetic acid. Molecular weight of acetic acid: 60.05 Molecular formula: CH3COOH Boiling point (℃): 117.9 Freezing point (℃): 16.6 Relative density (water is 1): 1

2021/10/25 10:07:15

MIBk， Colorless transparent liquid. Smell. The density is 0.8010. The refractive index is 1.3960. Boiling point 116 ℃. Freezing point - 84.7 ℃. Chinese name: methyl isobutyl (methyl) ketone, methyl isobutyl ketone, molecular formula C6H12OCYIUSANYIHZASNo.: 108-10-1 Boiling point: (101.3kPa): 115.9 ℃ Melting point: - 84.7 ℃ Relative density: (25 ℃/4 ℃) 0.796165kg/barrel content: 99.5%

2021/10/25 10:03:42