Product
Supplier
Encyclopedia
Inquiry
Home > Catalyst and Auxiliary
According to the catalyst definition by the International Union of Pure Chemistry and Applied Chemistry (IUPAC) in 1981, a catalyst is a substance that alters the reaction rate without affecting the Gibbs free energy of the overall standard reaction. Catalysts span diverse types: liquid and solid catalysts based on state, and homogeneous versus heterogeneous catalysts based on phase state within the reaction system. In industrial processes, auxiliaries like centrifuge catalysts enhance production processes, improve product quality, or enable specific application performance. The array of auxiliaries definition is extensive, with varied performance - optimal effects stem from proper usage. ECHEMI's "Catalyst and Auxiliary" section predominantly supplies raw materials for Catalyst and Auxiliary.

Catalyst Company

Sourcing catalyst intermediates can be complex, but ECHEMI makes it simple. Connect with 314 trusted manufacturers and 301 verified distributors offering a wide range of catalysts, including auxiliaries, centrifuge catalysts, and specialty intermediates for chemical production, pharmaceuticals, and industrial applications. Find high-quality catalysts and get competitive quotes from reliable suppliers.
Explore catalyst for your specific needs now.
1185 Catalyst and Auxiliary items

1H,3H-Naphtho[1,8-cd]pyran-6-sulfonic acid, 1,3-dioxo-, potassium salt (1:1)

CAS No: 71501-16-1

Formula: C12H6O6S.K

Categories: Catalyst and Auxiliary > Fluorescent Brightener

An important raw material for synthetic dyes and pigments; an important raw material for synthetic solvent dyes, organic pigments and fluorescent whitening agentsMore

Formaldehyde-p-toluenesulfonamide copolymer

CAS No: 25035-71-6

Formula: (C7H9NO2S.CH2O)x

Categories: Catalyst and Auxiliary > Film Forming

As intensifier and plasticizer used in polyamide, epoxy resin, phenol-formaldehyde resin, printing inks, coatings etc.More

Poly(oxy-1,2-ethanediyl), α-(4-nonylphenyl)-ω-(3-sulfopropoxy)-, potassium salt (1:1)

CAS No: 119438-10-7

Formula: (C2H4O)nC18H30O4S.K

Categories: Catalyst and Auxiliary > Polyethylene Glycol Derivatives

COLOURLESS HYGROSCOPIC LIQUID.More

tert-Butyl-1,4-benzoquinone

CAS No: 3602-55-9

Formula: C10H12O2

Categories: Catalyst and Auxiliary > Fluorescent Brightener

Yellow crystalline powderMore

Benzenesulfonic acid, ethenyl-, polymer with diethenylbenzene

CAS No: 39389-20-3

Formula: (C10H10.C8H8O3S)x

Categories: Catalyst and Auxiliary > Polymer

Strongly acidic cation exchange resin used as a heterogeneous acid catalysis; suitable for non-aqueous catalysis. Strongly acidic, macroreticular resin with sulfonic acid functionality which is suitable for aqueous catalysis. Features: suitable for etherification, esterification and hydration reactions; aqueous or Remove impurities and organics from non-aqueous solutions.More

Solvent naphtha (petroleum), light aliph.

CAS No: 64742-89-8

Categories: Catalyst and Auxiliary > Petrochemical

Naphtha can separate a variety of organic raw materials, such as gasoline, benzene, kerosene, asphalt, etc. Naphtha is an important raw material for the production of ethylene and propylene through the cracking of tube furnaces and the production of benzene, toluene and xylene through catalytic reforming. As a cracking raw material, the content of alkanes and naphthenes in the naphtha composition is required to be no less than 70% (volume). When used as a catalytic reforming raw material for theMore

Toluene ethylsulfonamide

CAS No: 26914-52-3

Formula: C9H15NO2S

Categories: Catalyst and Auxiliary > Plastic Rubber Chemicals

It is an excellent plasticizer for polyamide resin and cellulose resinMore

615 Catalyst and Auxiliary Suppliers

Short on time? Let Catalyst and Auxiliary sellers contact you.

Amberlite xad-16

CAS No: 104219-63-8

Formula:

Categories: Catalyst and Auxiliary > Polymer

Used in hydrophobic compounds with molecular weights up to 40,000; antibiotics; pharmaceutical manufacturing; surfactants; bitter drugs; separation of large organic molecules (especially proteins). More effective than XAD2.More

Carbonic dichloride, polymer with 4,4′-(1-methylethylidene)bis[2,6-dibromophenol] and phenol

CAS No: 94334-64-2

Formula: (C15H12Br4O2.C6H6O.CCl2O)x

Categories: Catalyst and Auxiliary > Polymer

2,6-Bis[(4S)-phenyl-2-oxazolin-2-yl]pyridine

CAS No: 174500-20-0

Formula: C23H19N3O2

Categories: Catalyst and Auxiliary > Polymer

White solidMore

Frequently Asked Questions

How to choose the right catalyst for your application?

When selecting a catalyst, it is important to consider the type of reaction, operating temperature, pressure, solvents involved, and desired selectivity. Other key factors include catalyst lifetime, regeneration ability, and compatibility with your process. On ECHEMI, you can browse a wide range of catalyst and auxiliary products and compare specifications from multiple global suppliers to find the best option for your needs.

What is a catalyst?

Synonyms for catalyst include accelerator, promoter, stimulant, etc. A catalyst is a substance that speeds up a chemical reaction without undergoing any permanent changes. According to the catalyst definition, it doesn't alter the thermodynamics or the catalyst meaning of the reaction, but it lowers the activation energy required for the reaction to occur. Basically, a catalyst facilitates the reaction process and increases the conversion rate without being consumed in the reaction itself. It may exist in a variety of forms, including enzymes, metals, or complex compounds.

How does a catalyst work?

The function of a catalyst is to provide an alternative pathway for a chemical reaction to take place. It reduces the activation energy required for the reaction to begin, thus speeding up the rate of the reaction. The catalyst apex is the point at which the catalyst's effect on the reaction reaches maximum efficiency. It diminishes existing chemical bonds or establishes intermediary structures, so simplifying the reaction process, consequently expediting the production of substances. This mechanism, often utilized by catalyst companies, leads to accelerated product formation.

Are enzymes catalysts?

Yes, according to the catalyst definition, enzymes are biological catalysts. Enzymes, considered protein-based catalyst synonym, facilitate biochemical reactions within living organisms. Within defined temperature and pH parameters, enzymes function as exceedingly efficient catalysts, diminishing the activation energy necessary for reactions to occur. These auxiliaries, when integrated into biological systems, demonstrate specificity and selectivity in catalyzing particular reactions, rendering them pivotal as key catalysts across diverse biological processes.

Feedback & Suggestions
Send Message

Thank you for your feedback. If you require further assistance, please contact us by email at info@echemi.com or call us at +86-532-55729510.