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Wednesday, April 08, 2020

Importance of Proper Models of HPLC Column In practical application, proper models of the HPLC column have a great influence on the performance or operation of the HPLC column. Improper models could greatly reduce the filtration effect. The HPLC column of high purity silica gel matrix...

Tuesday, March 31, 2020

Quantity : 10MT - Price : USD1450/MT

Rubber Antioxidant TMQ(RD) Chemical Name 2,2,4-Trimethyl-1,2-dihydroquinoline polymer Molecular Formula (C12H15N)n CAS No. 26780-96-1 Specifications GB8826-88 Item Specifications High grade 1st grade Appearance Amber to brown granular soften temperature (℃)Min. 80～100 80～100...

Tuesday, March 31, 2020

Quantity : 10MT - Price : USD2450/MT

Rubber Accelerator DPG(D) Chemical Name Dephenyl Guanidine (D) Molecular Formula C13H13N3 Molecular Weight 211 CAS No. 102-06-7 Specifications HG/T 2342-2010 Item Specifications 1st grade Appearance White or grey white powder or granular Initial Melting Point (℃)Min. 145...

Tuesday, March 31, 2020

Quantity : 10mt - Price : usd1520/mt

Rubber Accelerator TMTD(TT) Chemical Name Tetramethyl Thiuram Disulfide Molecular Formula C6H12N2S4 Molecular Weight 240.41 CAS No. 137-26-8 Specifications Q/KES018-2007 Item Specifications 1st grade Appearance White or light yellow powder Initial Melting Point (℃)Min. 140...

Tuesday, March 31, 2020

Quantity : 10MT - Price : USD2560/MT

Rubber Accelerator MBTS(DM) Chemical Name 2, 2-Dibenzothiazole Disulfide (MBTS) Molecular Formula C14H8N2S4 Molecular Weight 332.5 CAS No. 120-78-5 Specifications GB/T 11408-2013 Item Specifications High grade Appearance White or light yellow powder or Granular Initial Melting...

Tuesday, March 31, 2020

Quantity : 10MT - Price : USD2450/MT

Rubber Accelerator CBS(CZ) Chemical Name N-cyclohexyl-2-benzothiazole Sulfenamide Molecular Formula C13H16N2S2 Molecular Weight 264.4 CAS No. 95-33-0 Specifications HG/T 2096-2006 Item Specifications High grade Appearance Grey-white or Light-yellow Powder or granular Initial...

Wednesday, March 25, 2020

Character of syringe filter 1. The PTFE membrane of the syringe filter is completely made of natural and permanent hydrophobic PTFE material. Even under a very low pressure difference, it can ensure that moist air or other gases can pass without hindrance, while the aqueous solution...

Friday, March 20, 2020

Quantity : 1MT/year - Price : 1 USD/Kilogram

Classification: Other Chemicals Cas NO.: 14446-24-3 Molecular Formula: C9H11NO Melting Point: 192-193℃ Boiling Point: 313.5 °C at 760 mmHg Stability: null Refractive index: 1.582 Flash Point: 169.5 °C Purity: 99 Appearance: Solid usage: intermediate Brand Name: XQ EINECS: Aliase...

Friday, March 20, 2020

Quantity : 10MT/month - Price : 1 USD/Kilogram

Classification: Pharmaceutical Intermediates Cas NO.: 91-21-4 Molecular Formula: C9H11N Melting Point: -30℃ Boiling Point: 232-233℃ Stability: null Refractive index: 1.568 Flash Point: 98℃ Purity: 99 Appearance: clear yellow to brown liquid usage: Pharmaceutical intermediate Brand Name...

Friday, March 20, 2020

Quantity : 1MT/month - Price : 1 USD/Kilogram

Classification: Pharmaceutical Intermediates Cas NO.: 20232-39-7 Molecular Formula: C11H14ClNO2 Melting Point: 198-202℃ Boiling Point: 322.9 °C at 760 mmHg Stability: Stable under normal temperatures and pressures. Refractive index: 1.548 Flash Point: 122 °C Purity: 98 Appearance...

Friday, March 20, 2020

Quantity : 20MT/month - Price : 6.90 USD/Kilogram

Classification: Pharmaceutical Intermediates Cas NO.: 543-49-7 Molecular Formula: C7H16O Melting Point: -30.15°C Boiling Point: 160-162 °C(lit.) Stability: Stable. Flammable. Incompatible with strong oxidizing agents, strong acids. Refractive index: n20/D 1.420(lit.) Flash Point: 140 °F Purity...

Friday, March 20, 2020

Quantity : 20MT/month - Price : 1 USD/Kilogram

Classification: Pharmaceutical Intermediates Cas NO.: 1640-39-7 Molecular Formula: C11H13N Melting Point: 6-8 °C Boiling Point: 228-229℃ (744 mmHg) Stability: No information found. Refractive index: 1.545 Flash Point: 93℃ Purity: 99 Appearance: clear yellow to red-brown liquid usage...

Friday, March 20, 2020

Quantity : 5MT/month - Price : 1 USD/Kilogram

Classification: Pharmaceutical Intermediates Cas NO.: 6939-23-7 Molecular Formula: C6H14ClNO2 Melting Point: Boiling Point: 247.1 °C at 760 mmHg Stability: null Refractive index: 1.446 Flash Point: 247.1 °C at 760 mmHg Purity: 98 Appearance: null usage: Pharmaceutical intermediate Brand Name...

Friday, March 20, 2020

Quantity : 5MT/month - Price : 1 USD/Kilogram

Classification: Pharmaceutical Intermediates Cas NO.: 23150-65-4 Molecular Formula: C7H14ClNO4 Melting Point: 89-90ºC Boiling Point: 224.3 ºC at 760 mmHg Stability: null Refractive index: 26 ° (C=5, H2O) Flash Point: 76.7 ºC Purity: 98 Appearance: White powder usage: Pharmaceutical...

Friday, March 20, 2020

Quantity : 5MT/month - Price : 1 USD/Kilogram

Classification: Pharmaceutical Intermediates Cas NO.: 27532-96-3 Molecular Formula: C6H14ClNO2 Melting Point: 138-142℃ Boiling Point: 145.7°Cat760mmHg Stability: null Refractive index: 1.522 Flash Point: 20.7°C Purity: 98 Appearance: White fine crystalline powder usage: Pharmaceutical...

Friday, March 20, 2020

Quantity : 20MT/month - Price : 12USD/kg

Classification: Pharmaceutical Intermediates Cas NO.: 999-21-3 Molecular Formula: C10H12O4 Melting Point: 47 °C(lit.) Boiling Point: 263.7 °C at 760 mmHg Stability: null Refractive index: n20/D 1.469(lit.) Flash Point: 124.6 °C Purity: 99 Appearance: Colorless transparent oily liquid usage...

Friday, March 20, 2020

Quantity : 20MT/month - Price : 1USD/kg

Classification: Pharmaceutical Intermediates Cas NO.: 541-42-4 Molecular Formula: C3H7NO2 Melting Point: Boiling Point: 39 °C at 760 mmHg Stability: null Refractive index: 1.404 Flash Point: -37℃ Purity: 95 Appearance: Gray yellow oily liquid usage: Pharmaceutical intermediate Brand Name...

Friday, March 20, 2020

Quantity : 20MT/month - Price : 1USD/kg

Classification: Pharmaceutical Intermediates Cas NO.: 110-46-3 Molecular Formula: C5H11NO2 Melting Point: Boiling Point: 96-99℃ Stability: Stability Unstable. Air and light sensitive. Flammable. Forms explosive mixtures with air or oxygen. Incompatible with oxidizing agents, reducing agents...

Friday, March 20, 2020

Quantity : 20MT/month - Price : 1USD/kg

Classification: Pharmaceutical Intermediates Cas NO.: 40052-13-9 Molecular Formula: C7H12O4 Melting Point: 19-20℃ Boiling Point: 90℃(2 torr) Stability: null Refractive index: n20/D 1.426(lit.) Flash Point: 97.7 °C Purity: 98 Appearance: null usage: Pharmaceutical intermediate Brand Name...

Friday, March 20, 2020

Quantity : 20MT/month - Price : 1USD/kg

Classification: Pharmaceutical Intermediates Cas NO.: 542-56-3 Molecular Formula: C4H9NO2 Melting Point: Boiling Point: 66-67℃ Stability: Stable. Incompatible with acids, s, strong bases. Decomposes slowly in water. Flammable - incompatible with strong oxidizing agents. Note wide...

Friday, March 20, 2020

Quantity : 20MT/month - Price : 1 USD/Kilogram

Classification: Pharmaceutical Intermediates Cas NO.: 540-80-7 Molecular Formula: C4H9NO2 Melting Point: Boiling Point: 61-63℃ Stability: null Refractive index: 1.367-1.37 Flash Point: -10℃ Purity: 99 Appearance: clear yellow liquid usage: Pharmaceutical intermediate Brand Name: XiaQing EINECS...

Tuesday, March 17, 2020

Quantity : 200,000 pc - Price : usd160-500

JIUWU company produces the ceramic ultrafiltration membranes with the pore size 20nm, 50nm and so on. JIUWU company offers a large choice of ceramic uf membranes with different geometries and cut-offs to meet your process requirements in viscosity, molecule size, impurity profile...

Tuesday, March 17, 2020

Quantity : 200,000 pc - Price : usd160-500

Ultrafiltration (UF) is a variety of membrane filtration in which forces, such as pressure or concentration gradients, cause separation through the semi-permeable membrane. High molecular weight suspended solids and solutes remain in the so-called retentate while water and low molecular...

Tuesday, March 17, 2020

Quantity : 50000/mont - Price : 10usd

0.8 Series CCS Round Wire Origin of new material development 0.8mm series copper-clad round CCS wire is a new type of material developed by our Company to replace pure copper. Because it has the advantages of high strength, low price, high corrosion resistance and high conductivity of copper...

Sunday, March 15, 2020

Quantity : 200MT/mont - Price : 30 USD/Kilogram

Classification. Organic Acid Refractive index.1.3 Cas NO.: 76-05-1 Flash Point: -3 oC Molecular Formula: C2HF3O2 Purity: 99.5% Melting Point: -15%C Appearance: clear liquid Boiling Point: -15.4 °C usage: industrial and medical use Stbilty: Stable. Incompatible with combustible material...

Sunday, March 15, 2020

Quantity : 200MT/mont - Price : 1.3 USD/Kilogram

Classification: Organic Acid Refractive index: Cas NO.: 10294-56-1 Flash Point: Molecular Formula: H3O3P Purity: 99% Melting Point: Appearance: COA Boiling Point: usage: medical use and industrial use Stabiity: null Brand Name: sjtd EINECS: 233-663-1 Aliase: Phosphorous Acid Purity...

Sunday, March 15, 2020

Quantity : 200MT/mont - Price : 2.5 USD/Kilogram

Classification: Organic Acid Refractive index: 1 .553 Cas NO: : 88-61-9 Flash Point Molecular Formula: C8H10O3S Purity: 99.5% Melting Point: Appearance: Brown ropy liquid Boiling Point: usage: industrial and medicause Stabiity: null Brand Name: sjitd EINECS: 201-843-9 Aliase: 2...

Sunday, March 15, 2020

Quantity : 200MT/mont - Price : 2.7 USD/Kilogram

Classification: Oxide Refractive index.1 .433-1 436 Cas NO.: 1314-56-3 Flash Point: Non-combustible Molecular Formula: O10P4 Purity: 99% Melting Point: 340-360°C Appearance: White to yellow crystalline powder Boiling Point: sublimes at 300 C usage: industrial and medical use Stability...

Sunday, March 15, 2020

Quantity : 200MT/mont - Price : 25 USD/Kilogram

Classification: Pharmaceutical Intermediates Refractive index: Cas NO.1 7758-05-6 Flash Point无意义 Molecular Formula: IKO3 Purity: 99% Melting Point: 560°C Appearance: white Boiling Point: usage: industrial and medical use Stability: . Stable. Materials to avoid include organics, combustibles...

Sunday, March 15, 2020

Quantity : 300MT/mont - Price : 1450 USD/Metric Ton

Classification: Organic Intermediate Refractive index1.437-1.439 Cas NO.: 127-19-5 Flash Point: 151° F (NTP, 1992) Molecular Formula: C4H9NO Purity: 99.5% Melting Point: -20°C Appearance: Clear, colorless liquid Boiling Point: -4° F (NTP, 1992) usage: industrial and medical use Stability: Stable...