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
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
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
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
Chemical Name:4-Hydroxybenzoic acid
Trade Name:p-oxybenzoic acid
Molecular Formula:C7H6O3
Molecular Weight:138.12
CAS No.:99-96-7
Properties:white odorless crystalline powder, easily soluble in hot water and alcohols, aethers and acetone,
slightly soluble in cold water and benzene, insoluble in carbon bisulfide; relative density is 1.46
Use: Can be used as antiseptic, intermediate of dyes, pharmaceuticals; as main material of liquid crystal polymers; as material of pesticide intermediate
Specification
Item Specification
Polymer Grade Technical Grade
Appearance white crystal powder white crystal powder
Purity(on dry base) % 99.6 99.0
Melting Point 214-217 212-216
Odor odorless odorless
Solubility Clear and transparent clear and transparent
Loss on Drying % 0.20 0.50
Color(Pt-Co) 10 40
Ash % 0.02 0.15
Sulfate(SO42-) 0.01 0.05
Chloride(Cl-) % 0.005 0.02
Phe% 0.01 0.10
Salicylic Acid % 0.02 0.10
4-Hydroxyisophthalic Acid(HIPA) ppm 500 /
Insolubles in Metha ppm 50 /
Potassium(K+) ppm 5 /
Sodium (Na+) ppm 5 /
Iron (Fe) ppm 5 /
Ca2++Mg2+ppm 5 /
Application:
As a high selective polar solvent and nitrogen heterocycle compound, NMP has such advantages as non-toxicity, high boiling point, low corrosion, high solubility, low viscosity, low volatility and good stability and high selectivity.
(1)Micro-electronic grade: Liguid crystal display,Semiconductor
(2)Electronic grade: Mainly used in lithium batteries, fiber and other industries
(4)Industry grade: Mainly used in petroleum extraction, pesticides, insulating paint, industrial cleaning, etc