ESTER - 266 Annonces

Vendredi 20 mars 2020

Quantité : 20MT/month - Prix : 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...

Vendredi 20 mars 2020

Quantité : 20MT/month - Prix : 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...

Vendredi 20 mars 2020

Quantité : 20MT/month - Prix : 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...

Mardi 21 janvier 2020

The FLASH column is the heart of the FLASH purification system, like an engine in a car. If you want to do a good job, you must first sharpen the tools. Choosing the correct FLASH purification column is the most critical part of the whole purification process. And choosing the right...

Lundi 20 janvier 2020

1. Nylon Features: good temperature resistance, can withstand 121°C saturation steam hot pressure disinfection for 30min, the highest operating temperature of 60°C, good chemical stability, can withstand dilute acid, dilute base, , ester, oil, hydrocarbons, halogenated hydrocarbons...

Mardi 14 janvier 2020

Membrane filter can be described as the permeate and the retentate when the substances pass a single feed stream through a membrane system and separate into two individual streams. And the membrane that separates them is acting like a physical barrier with highly specialized characteristics...

Mardi 07 janvier 2020

1.Nylon Features: Good high-temperature resistance, which can withstand 121°saturated steam autoclaving for 30 minutes, the maximum working temperature of 60 degrees Celsius; Good chemical stability, which can withstand a variety of organic and inorganic compounds such as dilute acids...

Mardi 10 décembre 2019

Mixed cellulose ester (MCE) filter membrane is made of refined nitrocellulose and added with the appropriate amount of cellulose acetate, acetone, n-butanol, ethanol, etc. It is hydrophilic, non-toxic and hygienic. The MCE filter membrane is mainly used for filtering aqueous solutions...

Mercredi 06 novembre 2019

Quantité : 500square - Prix : 25usd

PE aluminum composite panel is generally used for interior wall decoration. Polyester paint (PE): >0.016mm measured with a film thickness meter and wiped with butanone 100 times without exposure. The PE coating formed on the surface of the composite panel through multiple baking...

Lundi 09 septembre 2019

Laser Particle Size Analyzer (Dry & Wet Dispersions) The integrated and robust laser particle size analyzer, Bettersizer 2600, can deliver reliable particle size measurement results from submicron to millimeter. Driven by the innovative optical system and Standard Operation Procedure (SOP)...

Lundi 12 août 2019

Syringe filter is a kind of filter connected to the front of the syringe. When the experimenters deal with the chromatographic samples with syringe filter, they should pay attention to avoiding bringing impurities in the process of filtration. One reason for the appearance of such...

Mardi 06 août 2019

Quantité : 100000TM - Prix : 50USD

CAS: 123-42-2 Uses of Diacetone (DAA) DAA is used as a raw material for high boiling point solvents, paint diluents, wood stains, rust removers, and dyes, etc. Diacetone boiling point is 166 °C (331 °F; 439 K). DAA is used as a dye raw material and resin solution. It can be used as...

Mercredi 31 juillet 2019

Solid phase extraction (SPE), developed in the 1970s, can replace the traditional liquid-liquid extraction in many fields and has been applied more and more widely in the laboratory. The common solvent of SPE Hexane, isooctane, tetrahalide carbon, trihalomethane, dihalomethane, tetrahydrofuran...

Jeudi 11 juillet 2019

The polyethersulfone (PES) syringe filter with the feature of low protein binding and has excellent flow rates is mainly used for sterilizing or clarify viscous proteinaceous solutions especially in the life-science applications biological and pharmaceutical labs, this is because...

Mercredi 03 juillet 2019

Cellulose acetate membrane filters are a kind of Millipore filtration and play an important role in membrane separation technology. Mainly used for filtration of the aqueous solution. Features and functions Cellulose acetate membrane filters with uniform pore size distribution, fast...

Vendredi 21 juin 2019

The material of the nylon membrane filter is aliphatic nylon. It has good hydrophilicity, the appropriate concentration of acid and alkali resistant, and applies not only acid and alkaline aqueous solution, but also suitable for organic solvent, such as s, hydrocarbon, ethers, esters...

Mercredi 19 juin 2019

In order to evaluate water quality, laboratory workers need to analyze the chemical constituents of water. At the same time, they have to consider the interactions between each constituent and the factor of photolysis when choosing the sample vial. It is better to shorten the sample's...

Jeudi 13 juin 2019

It's important to know the way to choose the right syringe filter for filtration. And the membrane materials used for manufacturing syringe filters often determine your choices. Let's learn the different types of membrane materials for filtering in the lab. As the most popular membrane...

Jeudi 13 juin 2019

In order to evaluate water quality, laboratory workers need to analyze the chemical constituents of water. At the same time, they have to consider the interactions between each constituent and the factor of photolysis when choosing the sample vial. It is better to shorten the sample's...

Jeudi 06 juin 2019

The main function of the microporous filtration membrane and syringe filter is to trap and filtering of the particles, bacteria and other impurities from the gas phase or liquid phase for separation, purification and purification purposes. The following factors should be considered...

Jeudi 06 juin 2019

The main function of the microporous filtration membrane and syringe filter is to trap and filtering of the particles, bacteria and other impurities from the gas phase or liquid phase for separation, purification and purification purposes. The following factors should be considered...

Samedi 18 mai 2019

As it is different from normal mixed cellulose esters membrane, Sterile Mixed Cellulose Ester (MCE) membrane filter is gridded filters with defined grid lines spaced at 3.1mm intervals. Sterile MCE grid membrane filters offer special color contrast provided by the membrane surface...

Vendredi 14 décembre 2018

- PE Aluminum Composite Panel - PE aluminum composite panel is generally used for interior wall decoration. Polyester paint (PE): >0.016mm measured with a film thickness meter and wiped with butanone 100 times without exposure.The PE coating formed on the surface of the composite...

Mercredi 21 mars 2018

Product Name: 2,4-D Content&formulation: 98%TC;720g/l SL, 860g/l SL CAS No.: 94-75-7 Molecular Formula: C8H6Cl2O3 Specification for 2, 4-D 98% TC ITEMS STANDARDS Appearance White loose powder, free from visible extraneous matter Content of a.i. ≥98 % Loss on drying ≤1...

Vendredi 27 octobre 2017

Prix : 1000/MT

Localisation : Room 802, lide building, No.20, Lishan North Road, Tianqiao District, Jinan City, Shandong Province, China, 250100 Shandong, Personne à contacter : Lee Alina, +86 13573127360

Samedi 14 octobre 2017

Quantité : MOQ 10 TON

- Quick Details - - CAS No.: 93-58-3 - Other Names: Benzoic acid methyl ester - MF: C8H8O2 - EINECS No.: 202-259-7 - FEMA No.: 2683 - Place of Origin: Shanxi, China (Mainland) - Type: Natural Flavour & Fragrances - Natural Variety: Plant Extract - Usage: Food Flavor,...

Samedi 12 août 2017

BASF Laroflex MP-60, MP-45, MP-35, MP-25, MP-15 counter types Product Name: Copolymer of vinyl chloride and vinyl isobutyl ether Specifications: Item MP-15 MP-25 MP-35 MP-45 MP-60 1. Apperance White powder 2. Viscosity, mpa.s 15±5 25±5 35±5 45±5 60±5 3. Chlorine content, % 44...

Mardi 14 février 2017

Quantité : EEP Cas No - Prix : as negotiated

EEP( Ethyl 3-Ethoxypropioate) EEP has been widely used in coating, it is high performance ,low volatility ether ester solvent, has wonderful solubility for most of resin of coating.EEP contains ether ester active group and propionyl group, linear structure , propionyl group, these...

Mardi 14 février 2017

Quantité : Ethyl 3-et - Prix : as negotiated

Ethyl 3-ethoxypropionate; Propinicacid ,3- ethoxy, ethyl ester(6CI,7CI.8CI); 3-Ethoxypropionic acid ethyl ester ,Ektapro EEP, Description: EEP (Ethyl 3-Ethoxypropionate )has been widely used in coating ,it is high performance , low valatility ether ester solvent, has wonderful...

Mercredi 08 février 2017

Quantité : 1 - Prix : 55,00 €

No. Résultats 1 Nom du produit Lutein ester 2 Nom chinois 叶黄素 酯 3 Source de plantes Fleur de Marigold 4 Ingrédient fonctionnel Ester de lutéine 5 Méthode d'essai UV 6 Spécifications 20% 7 Aspect Poudre orange 8 Description L'ester de lutéine est des particules fines de brun...