Our company has many years of rich practical experience, we always provide customers with the best quality 18 Crown Ether, high purity crown ether, crown ether for separation and the most timely after-sales service.We will continue to take continuous improvement as the means, exceed user expectations as the goal, and provide users with value-added 12-Crown-4 and services with system management as the guarantee. We always believe that only by being more perfect can we create more perfect products. With the trust and companionship of our customers, our company has come to this day with its feet firmly on the ground. We are actively responding to changes in the environment. We actively strengthen the technical exchange with domestic and foreign enterprises, and develop a batch of new products. We must continue to improve our products and services and create excellent value to support our customers' success. During the past few years, our business absorbed and digested state-of-the-art technologies the two at home and abroad. We are committed to excellence in everything we do, from the quality of our products to the level of service we provide.
-
![12- Crown Ether -4]()
12- Crown Ether -412-Crown-4 (12-crown-4) is an organic compound belonging to the crown ether family with a molecular formula of C8H16O4 and a molecular weight of 176.21 g/mol. Crown ether is a class ofread more -
![Tetraethylammonium Bromide]()
Tetraethylammonium BromideTetraethylammonium bromide 99.0% ( CAS 71-91-0) is used as a reagent in polarography, as an intermediate in pesticide production, and occasionally for testing metals such as gold, iridium, palladium,read more -
![Tetrapropylammonium Bromide]()
Tetrapropylammonium BromideTetrapropylammonium Bromide 99.0% (CAS 1941-30-6) is mainly used as a phase transfer catalyst for organic synthesis and a molecular sieve template agent.read more -
![Tetrapropylammonium Chloride]()
Tetrapropylammonium ChlorideTetrapropylammonium Chloride 97% (CAS 5810-42-4) is a quaternary ammonium which is commonly used as a phase transfer catalyst, surfactant, and intermediate in the synthesis of other chemicals, we areread more -
![Tetrabutylammonium Fluoride Trihydrate]()
Tetrabutylammonium Fluoride TrihydrateTetrabutylammonium fluoride hydrate (CAS 87749-50-6) is available in two concentrations: 82% and 85%. It contains crystal water, its anhydrous base is 98%min. It is an important selectiveread more -
![Tetrabutylammonium Tribromide]()
Tetrabutylammonium TribromideTetrabutylammonium tribromide (CAS 38932-80-8) is a stable orange non-toxic solid with a melting point of 69–75°C. It is insoluble in water but soluble in chloroform, dichloromethane, ethyl acetate,read more -
![Methyl Triethyl Ammonium Chloride]()
Methyl Triethyl Ammonium ChlorideMethyl triethyl ammonium chloride, also known as triethylmethylammonium chloride, is an organic compound with the chemical formula C7H16NCl and a molecular weight of 151.68. This substance isread more -
![Benzyltrimethylammonium Hydroxide]()
Benzyltrimethylammonium HydroxideBenzyltrimethylammonium hydroxide（CAS 100-85-6）with a content of 25%, It is commonly used as polymerization catalyst for synthesis of silicone rubber and other organosilicon products andread more -
![Hexamethonium Hydroxide]()
Hexamethonium HydroxideHexamethonium hydroxide (CAS 556-81-0) with a content of 25% is is a strong organic base. It is commonly used as a template agent for ITQ-13, EU-1, and other molecular sieves, primarily for theread more -
![15- Crown Ether -5]()
15- Crown Ether -515-crown-5 is a chemical with a molecular formula of C10H20O5, a molecular weight of 220.26 g/mol, and a CAS number of 33100-27-5. It belongs to the category of crown ether compounds, which are namedread more -
![18- Crown Ether -6]()
18- Crown Ether -618-crown-6 is an organic compound with the formula C12H24O6. It belongs to the macrocyclic ether class, characterized by a large ring in the molecular structure, with multiple oxygen atomsread more -
![Dibenzo-18-crown-6]()
Dibenzo-18-crown-6Dibenzo-18-crown ether-6, specifically, is a ring structure composed of two benzene rings through 18 carbon atoms and 6 oxygen atoms, of which 6 oxygen atoms are located on the ring, spaced apart,read more
Kathy Worm
I like these goods very much, thank you!
Elaine Lang
In the course of many purchases, I deeply felt the company's patience, sincerity and enthusiasm. They have been standing in the buyer's perspective and thinking for the buyer, which makes me very
Rafael Kaminski
As a supplier, they have always provided us with on-time and reliable product delivery. Our entire team would like to thank you for your excellent service.
Brian Hearn
This is a trusted supplier and you can buy with confidence.
Tara Canton
We confirmed that the supplier was very responsible, and they actively recommended the cost-effective products to us, and the products were really excellent.
Michael McKenzie
To be honest, I didn't think that the products of this company had such excellent durability at the beginning and will continue to this day, so I may buy additional colors!
12-Crown-4 - NIST Chemistry WebBook...
Jan 2, 2010 · 12-Crown-4 is a cyclic ether with the formula C8H16O4 and the CAS registry number 294-93-9. It has various thermochemical and reaction data, such as enthalpy, entropy, ionization...
1,4,7,10-Tetraoxacyclododecane | C8H16O4 | CID …...
12-crown-4 is a crown ether that is cyclododecane in which the carbon atoms at positions 1, 4, 7 and 10 have been replaced by oxygen atoms. It is a crown ether and a saturated organic...
12-Crown-4 - an overview | ScienceDirect Topics...
12-Crown-4 is the first and simplest crown ether, a macrocyclic compound with oxygen atoms in a ring. Learn about its structure, properties, complexation with metal ions and organic...
12-Crown-4 98 294-93-9 - MilliporeSigma...
12-Crown-4 is a crown ether and a lithium ionophore used in coordination chemistry and organic synthesis. Find its chemical formula, molecular weight, CAS number, availability, price, safety...
Synthesis and structure of [K–(12-crown-4) [K–(12-crown-4)] …...
Here, we present a nine-atom tin cluster, Sn4−, crys- tallized with potassium countercations that are sequestered by the very small 12-crown-4 ether (12C4)....
12-Crown-4 98 294-93-9 - MilliporeSigma...
12-Crown-4 is a crown ether generally used as a ligand in coordination chemistry. It is also known as lithium ionophore because of its strong chelating property specific to lithium cation. [1] [2] [3]...
Our intention should be to fulfill our consumers by offering golden provider, superior price and superior quality for consistent quaternary phosphonium salt, TTBNP, Pentaerythritol for coating . As one of the leading 12-Crown-4 manufacturers and suppliers in China, we warmly welcome you to buy high purity 12-Crown-4 made in China here from our factory. All chemical products are with high quality and competitive price.
Send Inquiry