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
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
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
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
Dep=di-2
2-Naphthol Basic information Chemical Properties Application Preparation Product Name: 2-Naphthol Synonyms: c.i.37500;c.i.azoiccouplingcomponent1;c.i.developer5;Developer A;Developer AMS;Developer BN;developera;developerams CAS: 135-19-3 MF: C10H8O MW: 144.17 EINECS: 205-182-7 Product Categories: Fluorescent;Naphthalene;pigments;alcohol;MICROCIDIN;Color Former & Related Compounds;Developer;Functional Materials;Intermediates;Aromatic Compounds;Alphabetical;Bioactive Small Molecules;Biochemicals and Reagents;Building Blocks;C9 to C20+;Cell Biology;Chemical Synthesis;Fluorescent Indicators and Probes;Fluorescent Probes;Labels;N;Organic Building Blocks;Oxygen Compounds;Particles and Stains;pH Sensitive Probes and Indicators;Phenols;Dyestuff Intermediates;Aromatics Mol File: 135-19-3.mol 2-Naphthol Chemical Properties Melting point 120-122 C(lit.) Boiling point 285-286 C(lit.) density 1,28 g/cm3 vapor density 4.97 (vs air) vapor pressure 10 mm Hg ( 145.5 C) refractive index 1.5762 (estimate) Fp 153 C storage temp. Refrigerator solubility methanol: soluble1g/10 mL, clear, colorless to light yellow pka 9.51(at 25C) form Powder, Crystals or Granules color White PH Range Non& uorescence (8.5) to blue & uorescence (9.5) Water Solubility 1 g/L (20 C) �»max 226nm, 265nm, 275nm, 286nm, 320nm, 331nm Merck 14,6384 BRN 742134 Stability: Stable. Combustible. Dust may form explosive mixture with air. Incompatible with strong oxidizing agents, phenol. Major Application Display device, semiconductors, photoimaging materials, inks, toner, chalk, security paper, molding materials, tin plating method, rubber, adhesive, leather, detergent, hair dyes, antimitotic drug, anticancer agent, antiinflammatory agent, treatment of acne vulgaris (pimples) and other dermal ailments (rashes, scratches, blemishes, hair loss), disorders InChIKey JWAZRIHNYRIHIV-UHFFFAOYSA-N CAS DataBase Reference 135-19-3(CAS DataBase Reference) NIST Chemistry Reference 2-Naphthalenol(135-19-3) EPA Substance Registry System 2-Naphthalenol (135-19-3) Safety Information Hazard Codes Xn,N Risk Statements 20/22-50 Safety Statements 24/25-61 RIDADR UN 3077 9/PG 3 WGK Germany 2 RTECS QL2975000 F 8 Autoignition Temperature 430 C TSCA Yes HazardClass 9 PackingGroup III HS Code 29071590 Hazardous Substances Data 135-19-3(Hazardous Substances Data) Toxicity LD50 orally in Rabbit: 1960 mg/kg LD50 dermal Rabbit > 10000 mg/kg 2-Naphthol Usage And Synthesis 2-Naphthol Preparation Products And Raw materials
CAS 872-50-4 HS code 2933790090 Standard package: 200kg/drum, 16ton /20 GP IBC Drum, 20 ton/20GP N-methyl-pyrrolidone (NMP) is a nitrogen heterocyclic compound with a series of excellent physical and chemical properties. It is non-toxic, has a high boiling point, strong polarity, low viscosity, low corrosivity, high solubility, low volatility and good stability, so it is an efficient, selective solvent for easy recovery. Widely used in petrochemical, electronic materials and other fields. Application: This product is an important chemical raw material, a polar solvent with good selectivity and stability properties , low toxicity, high boiling point , strong solvency, non-inflammable, has many advantages, such as the biodegradation, reutilization, safety in use and suitable for many kinds of prescription,etc. Its main applications are as follows: 1. Reagent grade: mainly used in high-end electronics industry such as liquid crystal, semiconductor. 2. Electronic grade: mainly used in lithium batteries, fiber and other industries. 3.Medicine grade: mainly used in solvents, intermediates and other industries. 4.Industrial grade: mainly used in petrochemical extraction,pesticides, insulating paint and industrial cleaning industries.
Name: 2-hydroxy-6-naphthoic acid Alias: 2,6 acid; 2-naphthol-6-carboxylic acid; 6-hydroxy-2-naphthoic acid; 6-hydroxy-2-naphthoic acid CAS NOï¼?16712-64-4 Molecular formula: c11h7o3 Molecular weight: 187.172 Product quality standard: Appearance characte Light yellow powder Content 99% 2-naphtholâ?¤0.10% 2,3-acidâ?¤0.10% melting point243-245�°C Loss on dryingâ?¤0.30% heavy metalâ?¤20ppm Application: used in medicine, liquid crystal, paint, etc. Packing: 25kg / cardboard barrel, or according to customer requirements
