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  • Factory directly N-Methylformamide Best Price - p-Toluenesulfonamide 70-55-3 – Starsky

    Factory directly N-Methylformamide Best Price - p-Toluenesulfonamide 70-55-3 – Starsky

    Description Product name:p-Toluenesulfonamide/PTSA CAS:70-55-3 MF:C7H9NO2S MW:171.22 Density:1.25 g/cm3 Melting point:134-137°C Boiling point:221°C Package:1 kg/bag, 25 kg/bag, 25 kg/drum Specification Items Specifications Appearance White crystal Purity ≥99.5% Water ≤0.2% Cl ≤0.1% S ≤0.2% PH 5.0-7.0 Application 1.It is used in the manufacturing of plasticizers, disinfectants. 2.It is used in the production of synthetic resins, coatings, fluorescent dyes, etc. 3.It is ...
  • Factory directly supply Manufacturer Supplier 2-Acetonaphthone 93-08-3 - Guaiacol 90-05-1 – Starsky

    Factory directly supply Manufacturer Supplier 2-Acetonaphthone 93-08-3 - Guaiacol 90-05-1 – Starsky

    Description Product Name: Guaiacol CAS: 90-05-1 MF: C7H8O2 MW: 124.14 EINECS: 201-964-7 Melting point: 26-29 °C (lit.) Boiling point: 205 °C (lit.) Density: 1.129 g/mL at 25 °C (lit.) Vapor density: 4.27 (vs air) Vapor pressure: 0.11 mm Hg ( 25 °C) Refractive index: n20/D 1.543(lit.) Fp: 180 °F Storage temp: 2-8°C Solubility H2O: insoluble Pka: 9.98(at 25℃) Form: Liquid After Melting Color: Clear colorless to light yellow PH: 5.4 (10g/l, H2O, 20℃) Odor Threshold: 0.0074ppm Water Solubility:...
  • Reliable Supplier 4-Chlorophenol Best Price - Manganese 7439-96-5 – Starsky

    Reliable Supplier 4-Chlorophenol Best Price - Manganese 7439-96-5 – Starsky

    Description Product Name: Manganese CAS: 7439-96-5 MF: Mn MW: 54.94 EINECS: 231-105-1 Melting point:1244 °C(lit.) Boiling point:1962 °C(lit.) Density:7.3 g/mL at 25 °C(lit.) Fp:450℃ Storage temp:2-8°C Solubility H2O: soluble Form:Powder Specific Gravity:7.2 Color: black Specification Product Name: Manganese CAS: 7439-96-5 MF Mn purity 99.99% Melting point 1244 °C(lit.) Application Manganese powder is an important alloying element in the production of stainless steel...
  • Hot sale Factory Methyl 4-Tert-Butylbenzoate 26537-19-9 - Valerophenone 1009-14-9 – Starsky

    Hot sale Factory Methyl 4-Tert-Butylbenzoate 26537-19-9 - Valerophenone 1009-14-9 – Starsky

    Description Product name:Valerophenone Purity:99% CAS:1009-14-9 MF:C11H14O MW:162.23 Melting point:-9°C Boiling point:244-245°C Flash point:217°F Density:0.975 g/ml Package:1 L/bottle, 25 L/drum, 200 L/drum Specification Items Specifications Appearance Clear light yellow liquid Purity ≥99% Color(Co-Pt) ≤10 Water ≤0.5% Application It is used as organic synthesis intermediates and pharmaceutical intermediates. Storage Stored at a dry, shady, ventilated place.
  • Wholesale Price China Hot Sales Triethyl Orthoformate Teof - Monoethyl fumarate 2459-05-4 – Starsky

    Wholesale Price China Hot Sales Triethyl Orthoformate Teof - Monoethyl fumarate 2459-05-4 – Starsky

    Description Product name:Monoethyl fumarate/MEF CAS:2459-05-4 MF:C6H8O4 MW:144.13 Melting point:68°C Boiling point:147°C Density:1.11 g/ml Package:1 kg/bag, 25 kg/bag, 25 kg/drum   Fumaric Acid Monoethyl Ester is an anti-psoriatic fumaric acid ester. Fumaric Acid Monoethyl Ester inhibited thymidine-14C incorporation into DNA by cultured human lymphocytes. Fumaric Acid Monoethyl Ester has been shown to evoke transient increase in intracellular free calcium concentration and inhibit pr...
  • professional factory for Methyl P-Toluenesulfonate 80-48-8 - 4,4′-Oxydianiline 101-80-4 – Starsky

    professional factory for Methyl P-Toluenesulfonate 80-48-8 - 4,4′-Oxydianiline 101-80-4 – Starsky

    Application 1) It is the main material of High temperature polyimied film, resin, engineering plastic as bellows: Polyimide, polyether imide, polyester imide, a polymaleimide, poly aryl amide 2)It is material of 3,3’,4,4’-Tetraaminodiphenyl Ether which is main monomer of a series of aromatic heterocyclic heat resistant polymeric material 3)It is material of high performance heat resistance of epoxy resin, polyurethane and other polymer materials and crosslinking agent. Storage Storage l...
  • Discount wholesale Manufacturer Supplier Valerophenone 1009-14-9 - Benzyl chloroformate 501-53-1 – Starsky

    Discount wholesale Manufacturer Supplier Valerophenone 1009-14-9 - Benzyl chloroformate 501-53-1 – Starsky

    Description Product name:Benzyl chloroformate CAS:501-53-1 MF:C8H7ClO2 MW:170.59 Density:1.212 g/ml Melting point:-20°C Boiling point:103°C Package:1 L/bottle, 25 L/drum, 200 L/drum Specification Items Specifications Appearance Colorless oily liquid Purity ≥99%  Color(Co-Pt) ≤20 Acidity(mgKOH/g) ≤0.1 Water ≤0.5% Application It can be used as amino protective agent in the synthesis of antibiotics and pesticide intermediate. Benzyl chloroformate is the benzyl ester of chlo...
  • China OEM Malonic Acid 141-82-2 - 4-Methoxyphenol 150-76-5 – Starsky

    China OEM Malonic Acid 141-82-2 - 4-Methoxyphenol 150-76-5 – Starsky

    Description Product name:4-Methoxyphenol/MEHQ CAS:150-76-5 MF:C7H8O2 MW:124.14 Density:1.55 g/cm3 Melting point:54.5-56°C Package:1 kg/bag, 25 kg/drum Specification Items Specifications Appearance White crystal Purity ≥99.5% Hydroquinone ≤0.05% Loss on drying ≤0.3% Residue on ignition ≤0.1% Heavy metals ≤0.05% Application 1.It is mainly used as polymerization inhibitor, UV inhibitor and dye intermediate of vinyl plastic monomer. 2.It is used to synthesize edible oil an...
  • Discount Price Valerophenone 1009-14-9 With Best Price - Tetrakis(triphenylphosphine)palladium 14221-01-3 – Starsky

    Discount Price Valerophenone 1009-14-9 With Best Price - Tetrakis(triphenylphosphine)palladium 14221-01-3 – Starsky

    Description Product Name: Tetrakis(triphenylphosphine)palladium CAS: 14221-01-3 MF: C72H60P4Pd MW: 1155.561844 EINECS: 238-086-9 Melting point: 103-107 °C storage temp.: 2-8°C form: Fine Powder or Platelets color: Bright yellow to khaki Water Solubility: insoluble Specification Product Name Tetrakis(triphenylphosphine)palladium CAS 14221-01-3 Apperance Yellow Powder Melting point 103-107 °C Assay/Pd ≥9.2% Purity ≥99% Properties of precious metal catalysts   1.High a...
  • Wholesale Dealers of Monomethyl Adipate - Ethylene carbonate 96-49-1 – Starsky

    Wholesale Dealers of Monomethyl Adipate - Ethylene carbonate 96-49-1 – Starsky

    Description Product name:Ethylene carbonate CAS:96-49-1 MF:C3H4O3 MW:88.06 Melting point:35-38°C Boiling point:243-244°C Density:1.321 g/ml at 25°C Package:1 L/bottle, 25 L/drum, 200 L/drum Specification Items Specifications Appearance Colorless liquid Purity ≥99.9%  Color(Co-Pt) ≤10 Ethylene oxide ≤0.01% Ethylene glycol ≤0.01% Water ≤0.005% Application 1.It is used for the production of lithium batteries and capacitors electrolyte in the electronic industry. 2.It is u...
  • Factory supplied Thrimethyl Orthoformate Tmof With Best Price - p-Toluenesulfonamide 70-55-3 – Starsky

    Factory supplied Thrimethyl Orthoformate Tmof With Best Price - p-Toluenesulfonamide 70-55-3 – Starsky

    Description Product name:p-Toluenesulfonamide/PTSA CAS:70-55-3 MF:C7H9NO2S MW:171.22 Density:1.25 g/cm3 Melting point:134-137°C Boiling point:221°C Package:1 kg/bag, 25 kg/bag, 25 kg/drum Specification Items Specifications Appearance White crystal Purity ≥99.5% Water ≤0.2% Cl ≤0.1% S ≤0.2% PH 5.0-7.0 Application 1.It is used in the manufacturing of plasticizers, disinfectants. 2.It is used in the production of synthetic resins, coatings, fluorescent dyes, etc. 3.It is ...
  • Hot New Products Octadecyl Acrylate Manufacturer - Octadecyl acrylate 4813-57-4 – Starsky

    Hot New Products Octadecyl Acrylate Manufacturer - Octadecyl acrylate 4813-57-4 – Starsky

    Description Product name:Octadecyl acrylate CAS:4813-57-4 MF:C21H40O2 MW:324.54 Density:0.8 g/ml Melting point:32-34°C Boiling point:402.8°C Packaging:1 L/bottle, 25 L/drum, 200 L/drum Specification Items Specifications Appearance Colorless liquid Purity ≥99%  Color(Co-Pt) ≤20 Acid value ≤0.5 Viscosity 4-8 Water ≤0.2% Inhibitor 200-400 Application It is mainly used for leveling agent, coating, paint, isolating agent, pour point depressant and various adhesives. Sto...