Price: USD 10.5 / kg
Min. Order: 50 kg
Molecular structure: carbonyl C and O atoms to sp2 hybrid orbitals form sigma bond.Other C and O atoms to sp3 hybridized orbital forming sigma bond.
【 relative molecular weight or atomic weight of 86.09
Relative density 1.1253 density 】 【 (254 ℃)
Melting point (℃) 】 【 43.53
The boiling point (℃) 】 204
The refractive index of 15 ℃ 】 1.4348
World electric constant (20 ℃) 39
Dipole moment (25 ℃ benzene) : 13.74
Critical temperature: 436 ℃
Critical pressure: 3.4 mPa.
Viscosity: 1.7 mPa s 25 degrees C.
Tension: 52.3 mNm. 25 degrees C.
Flash: 98.3 (cup).
Evaporation heat (204 ℃) (kjmol) 52.3
【 properties 】
Colorless oily liquid, the smell of ketone. Goods ph 4.5.
Chemical properties: in a neutral medium stability, reversibility in hot alkali hydrolysis, ph back to neutral and generate lactone.Hydrolysis in acidic medium is slower.
Content: more than 99.5%
Chemical properties
Colorless transparent liquid.Can miscibility with water and general organic solvent.Slightly soluble in aliphatic solvent.it.
Gamma butyrolactone is a kind of strong solubility, non-toxic, safe and convenient to use the management of high boiling point solvents, used for butadiene, aromatic hydrocarbons in petroleum processing, high-grade grease extraction agent;Used for acrylic fiber spinning solvent in the chemical fiber industry, such as wool, nylon, acrylonitrile fiber dyeing auxiliaries.In organic synthesis, GBL also has a wide range of USES, it is a synthesis of alpha pyrrolidone, N - methyl pyrrolidone, vinyl pyrrolidone, acetyl - gamma butyrolactone, ring and other raw materials, is a synthetic pesticides, herbicides, drugs within the brain, ciprofloxacin, vitamin B1, such as chlorophyll intermediates.Butyric acid is also used in synthesis of chlorobenzene oxygen radicals class herbicides, plant growth regulator.