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Wednesday, January 31, 2024

Catalog #: AP15211 Name: (4-NH2)-Exatecan Chemical Formula: C23H21N3O4 Molecular Weight: 403.43 CAS: 2495742-21-5 Purity: ≥95% Availability: In Stock (4-NH2)-Exatecan CAS: 2495742-21-5 is a potent and innovative derivative of Exatecan, a topoisomerase I inhibitor...

Wednesday, January 31, 2024

Catalog #: AP12650 Name: 4-Azido-L-phenylalanine Chemical Formula: C9H10N4O2 Molecular Weight: 206.2 CAS: 33173-53-4 Solubility: Water, DMSO, DMF Appearance: Off-white to slightly grey crystalline Purity: ≥95% (H NMR) Availability: In Stock 4 azido l phenylalanine CAS...

Wednesday, January 31, 2024

Catalog #: AP10693 Name: 4-(6-methyl-1,2,4,5-tetrazin-3-yl)phenol Chemical Formula: C9H8N4O Molecular Weight: 188.19 CAS: 58884-35-8 Purity: ≥95% Availability: In Stock SDS: Download 4-(6-methyl-1,2,4,5-tetrazin-3-yl)phenol CAS: 58884-35-8 contains a methyltetrazine...

Wednesday, January 31, 2024

Price : USD3000-4000

Oil drilling grade Carboxymethyl Cellulose (CMC) is water soluble polymer derived from cellulose that is commonly used as a thickening, stabilizing, and emulsifying agent in drilling fluids for the oil and gas industry. CMC is a water-soluble polymer that can be used to control the...

Wednesday, January 31, 2024

Price : USD3000-4000

KimaCell® CMC HV sodium carboxymethyl cellulose is generally believed that when the degree of substitution is around 0.6-0.7, the emulsifying performance is better, and with the increase of the degree of substitution, other properties are improved accordingly. When the degree of substitution...

Wednesday, January 31, 2024

Price : USD3000-4000

KimaCell® CMC FP3000 sodium carboxymethyl cellulose's aqueous solution is neutral or alkaline transparent viscous liquid, soluble in other water-soluble adhesives and resins, and insoluble in organic solvents such as ethanol. CMC can be used as adhesive, thickener, suspending agent...

Wednesday, January 31, 2024

Price : USD3000-4000

Kima is a leading manufacturer of cellulose ether from China, and has been serving global cellulose ether market over ten years with our brand KimaCell®. Kima offers a comprehensive range of cellulose ether products for sale to meet the requirement of global customers. KimaCell®...

Wednesday, January 31, 2024

1.Reproducible: PFA column tube can be used for many times, greatly saving the cost of experiment. 2.Visibility: PFA transparent cylinder in the separation of color samples, you can directly see the separation of color strip sieve plate: can provide a variety of particle size sieve plate...

Wednesday, January 31, 2024

Our acid purifier can be used for the purification of HNO3, HCl, HF, alkali solution and organic solvents in the laboratory. Acid purifier is the use of thermal radiation principle, keep the liquid temperature below the boiling point temperature evaporation, and then the acid vapor...

Tuesday, January 30, 2024

1. Low and high temperature resistance. 2. Corrosion resistance 3. Low blank value of metal elements etc. 4. Chemical stability 5. White appearance 6.Two types: fixed prop and non - fixed prop 7.Customized is available(pointed, flat, serrated) #Teflon #PTFE #Digestion #Trace Analysis...

Tuesday, January 30, 2024

1. The appearance is translucent, making it easy to observe the reagents in the tank; 2. High and low temperature resistance: -200～+260℃ 3. Corrosion resistance: resistant to strong acid, strong alkali, aqua regia, hydrofluoric acid and various organic solvents; 4. Insulation resistance...

Tuesday, January 30, 2024

1. The gas scrubber is filled with the selected liquid to scrub the gas and remove the moisture or other gas impurities. When using, pay attention to the flow direction of the gas, the inlet pipe and the outlet pipe cannot be reversed; 2. The gas washing bottle cannot hold alkaline...

Tuesday, January 30, 2024

About volumetric flask, our PFA flask belonds to A class, resistance to strong acid, alkali and various organic solvents, smooth inner wall, material stability much better, low blank value of metal elements, lead and uranium contents are less than 0.01ppb 1. Specifications: 10, 25...

Saturday, January 27, 2024

Quantity : Not less t - Price : USD 74.00/kg FOB Sha

Chemical Name: Disodium salt of 2,2′-bis-(1,4-phenylene)1H-benzimidazole -4,6-disulfonic acid Trade Name: Disodium Phenyl Dibenzimidazole Tetrasulfonate Synonyms: Bisdisulizole Disodium; 1H-Benzimidazole-4,6-Disulfonic Acid, 2,2′-(1,4-Phenylene)Bis-, Disodium salt; Neo Heliopan AP...

Saturday, January 27, 2024

Application experiment: Use and transfer wafers in the acid-base process of the semiconductor etching department. Performance advantages of PFA flower basket: 1. Resistant to strong acids, strong alkali and various organic solvents 2. The blank value of metal elements is low 3. No...

Saturday, January 27, 2024

PFA separatory funnel/soluble polytetrafluoroethylene separatory funnel/Teflon plastic separatory funnel use: 1. Used for solid-liquid or liquid-liquid reaction experiments to control the amount of liquid added and the reaction rate. 2. Material separation and purification: Separate...

Saturday, January 27, 2024

Microwave digestion vessels Experimental instrument for Experimental instrument As an efficient sample pretreatment method, microwave digestion has the advantages of fast heating speed, uniform heating, less reagent consumption, low blank space, energy saving and high efficiency compared...

Friday, January 26, 2024

1. Translucent; 2. Temperature resistance range: -200deg.C~260deg.C; 3. Chemical inert, withstand virtually all chemical solvents; 4. Anti-pollution: low blank value of metal elements; 5. Non dissolution and precipitation: good vessel for storing standard substances, highly corrosive...

Friday, January 26, 2024

Fast, simple and efficient purification device for sub-boiling acid. For the preparation of ultra-pure acids during trace and ultra-trace analysis. The whole system is made of high-purity PTFE , without any metal or quartz components, ollution-free and corrosion-resistant. 1. Can...

Friday, January 26, 2024

The Vial Cleaning System can be placed on a hotplate to clean the PFA vials and labware by heated soaking in soap solution or acids. 1.All wetted parts are molded from high purity PFA 2.Highly durable and will not crack or shatte 3.No need for continuous monitoring 4.Saves on acid cost...

Thursday, January 25, 2024

1.Reproducible: PFA column tube can be used for many times, greatly saving the cost of experiment 2. Visibility: PFA transparent cylinder in the separation of color samples, you can directly see the separation of color strip sieve plate: can provide a variety of particle size sieve plate...

Thursday, January 25, 2024

Features of PFA Plastic Dropper Bottle: 1. Choosing ultra-purity PFA, no add recycled material, to guaranteed lowest background; 2. Strong corrosion resistance: resistant various strong acid and alkali, organic solvents; 3. Lower metal element blank value; 4. No dissolution and precipitation...

Thursday, January 25, 2024

PFA sample vials also can be called such as: sample cup, digestion vessel, beaker, digestion cup. Molded from high purity virgin PFA, they feature an ultra low trace metal background - important for digestions that are to be analyzed by ICP-MS. The maximum safe working temperature...

Wednesday, January 24, 2024

#Isotope analysi hashtag#ICP-MS hashtag#Purification of acid hashtag#Ultra clean experiment hashtag#Geochemistry Our PFA graduated cylinder are suitable for use in professional trace analysis experiments. Superior chemical durability and heat tolerance. Designed for use in professional...

Sunday, January 21, 2024

SiSiB® PC8130 Phenyltrichlorosilane SiSiB® PC8130 is a colorless clear liquid with acrid odor of hydrogen chloride. Technical Data CAS No. 98 13 5 EINECS No. 202-640-8 Formula C6H5SiCl3 Molecular Weight 211.55 Boiling Point 201°C [760mmHg] Flash Point 91°C Color and...

Sunday, January 21, 2024

SiSiB® PC7950 Ethyltriacetoxysilane SiSiB® PC7950 is a colorless to yellowish liquid, not miscible with water, decomposes with water and moisture under formation of acetic acid. Technical Data CAS No. 17689 77 9 EINECS No.: 241-677-4 Formula C8H14O6Si Molecular Weight 234...

Sunday, January 21, 2024

SiSiB® PC7130 Methyltris methylethylketoximino silane SiSiB® PC7130 (MOS) is used as a neutral curing agent in silicone sealant formulations. Generally, this silane is used for crosslinking α,ω-silanol polydimethylsiloxanes in the presence of atmospheric moisture. SiSiB® PC7130 (MOS)...

Sunday, January 21, 2024

PFA Separating Funnel hashtag#Labware hashtag#PFA Vials hashtag#chemistrylab hashtag#ICPMS hashtag#laboratory cost Controllable liquid addition amount and reaction rate.The PFA material is resistant to cracking, deformation, high temperature, and . The piston device is easy to remove and clean...

Saturday, January 20, 2024

Quantity : no limited - Price : USD900-USD2000/MT

What Is Melting Point of Wax? High melting point paraffin wax is ideal for various industrial fields, such as paper, PVC, adhesives, coating, ect. King Honor's wax with high melting point has the melting point of hard paraffin from 64℃ to 72℃ with white color, low oil content, and...

Saturday, January 20, 2024

Established in 2006, Shanghai Douwin Chemical is your trustworthy partner. DOUWIN can ensure competitive prices and high quality of goods. We are specialized in Methyl Ethyl Ketone, Adipic Acid, Maleic Anhydride, Phthalic Anhydride, Acrylic Esters, Methyl Methacrylate, Acrylamide...