Gamma-butyrolactone (gbl)
Product name: gamma-butyrolactone
Cas no: 96-48-0
Chemical formular: c4h6o2
Grade: 99.5% & 99.0%
Appearance: transparent liquid in the shape of oil.
Grade: min 99.8% &min 99.5%
Density (g/ml) 1.124-1.131
Colourity: max 40
Refractive index n20d1.4350-1.4375
Characteristics: it can be mixed with water and dissolved by ethanol, ether, benzene, acetone, and other organic and inorganic compounds. It is a liquid with high boiling, powerful solvency, good electrical and stability properties.
Package: galvanized iron drum of 200kgs net weight
Galvanized iron drum of 200kgs net weight
N-methyl-pyrrolidone(nmp)
Product name: n-methyl-pyrrolidone
Cas no: 872-50-4
Chemical formular: c5h9no
Molecular weight: 99. 134
Assay: 99. 8% & 99. 5%
Appearance: colorless and transparent liquid
Density (g/ml) :1.020-1.040
Refractive index n20d:1.4680-1.4695
Boiling point: 202c
Flash point: 95c
Characteristics: dissolvable in water and many solvents, such as acetaldehyde, ether, acetone, etc.
Package: galvanized iron drum of 200kgs net weight
Galvanized iron drum of 200kgs net weight
Polyvinylpyrrolidone(pvp)
Product name: pvp k30
Cas no.:9003-39-8
Chemical formular: (c6h9no)n
Appearance: white powde
K value:27-32
Vinylpyrrolidone: :max 0.2%
Solid content ::min 95%
Ph (10% in water: 3-7
Moisture: :max 5.0%
Residue on ignigion: max 0.1%
Packaging: plastic barrel or fibre board drums of 25kg net weight
Plastic barrel or fibre board drums of 25kg net weight
Sorbitol
Cas no: 50-70-4
Chemical formular: c6h14o6.
Grade: medicine grade &food grade
Appearance: 70% solution
Content%(m/m): min 70
Ph: 5-7
Refractive [a] d20: max 5.4
Residue of glucose%(m/v): max 0.4
Ni%: max 0.0003
Fe%: max 0.002
Heave metals (pb)%: max 0.0005
Density (g/ml): min 1.285
Package: plastic or steel drum of 250kgs net weight
Plastic or steel drum of 250kgs net weight
Product name: 2-pyrrolidone
Cas no: 616-45-5
Chemical formular: c4h7no
Grade: 99.5% &99.0%
Appearance: colorless liquid
Flash point: 129.4 celsius
Boiling point: 245 celsius
Density (g/ml) 1.097-1.117
Colourity (apha) :max 40
Refractive index n20d1.4830-1.4850
Characteristics: it can dissolve with water, low chain ketone, low chain alcohol, ether, chloroform and benzene.
Package:galvanized iron drum of 200kgs net weight
Galvanized iron drum of 200kgs net weight
