REACTION - 1812 Annonces

Tuesday 09 December 2025

Ethyl 2-Phenylacetoacetate serves as a valuable intermediate in the synthesis of pharmaceutical compounds. It participates in diverse chemical transformations, including condensation reactions and reduction reactions, to form complex organic molecules with potential pharmacological activities...

Tuesday 09 December 2025

Quantité : 10000m - Prix : 1-30$/m

Silicone Rubber Coated Braided Fiberglass Fire Sleeve with a special kind of silicone coated , and treated with high temperature . Excellent Capability : this kind of product is mainly used in the industry of steel , smelt and shipping . with the advanced three – tier combination...

Tuesday 09 December 2025

Quantité : 500 Set/S - Prix : 1USD

- Quick Details - - Type: Multi-Function Beauty Equipment - Certification: CE - Place of Origin: Guangdong, China (Mainland) - Brand Name: EHO - Model Number: IHG882A - Voltage: : 110V/220V - best cream removal wrinkle Power: 450W - Oxygen contraction: Over 90% - Oxygen type...

Tuesday 09 December 2025

1. High temperature resistance: the working temperature is 260 ℃, and Teflon heat shrinkable pipe has excellent heat resistance. It can be used continuously between 240 ℃ and 260 ℃ for a short time, which can withstand high temperature to 300 ℃, and has remarkable thermal stability...

Tuesday 30 September 2025

Prix : Precio negociable

- Batterie solaire GEL VRLA Xupai (stockage hors réseau) - Plateforme plomb-acide scellée au gel (VRLA) conçue pour le solaire, les télécoms et l'industriel, là où la disponibilité, la sécurité et le coût total de possession priment. - Pourquoi elle est adaptée au solaire - - Large...

Thursday 28 August 2025

Quantité : 99999 - Prix : 100$

- Maille de Séparation Gaz-Liquide Multimatériau - - Spécifications Fondamentales - 1. Épaisseur du Fil Totalement personnalisable pour répondre aux exigences spécifiques des applications. 2. Dimensions Options de taille adaptées (ex. : longueur, largeur, diamètre du rouleau) pour...

Thursday 28 August 2025

Quantité : 99999 - Prix : 100$

# Maille en Acier Inoxydable de Haute Qualité OFOALN ## I. Présentation Générale du Produit et Paramètres ### A. Informations sur le Produit et la Marque - **Nom du produit** : Maille en acier inoxydable de haute qualité OFOALN - **Marque** : OFOLAN - **Origine** : Chine - **Période...

Tuesday 26 August 2025

Quantité : 1kg; 25kg;

4,5-Diiodo-1H-imidazole is a commonly used chemical reagent that can be applied in iodination reactions in organic synthesis and other related reactions. Brand: Soarwin CAS No.: 15813-09-9 EC Number: 202-303-5 Molecular Formula: C3H2I2N2 Melting point: 197-198°C Density: 3.042±0.06...

Tuesday 26 August 2025

Quantité : 1kg; 25kg;

Cyclopentyl methyl ether is is a colorless and transparent new type of environmentally friendly and high performance hydrophobic ether solvent, it is a new type of environmentally friendly and high performance hydrophobic ether solvent, it can be used as a substitute for ether solvents...

Tuesday 26 August 2025

Quantité : 1kg; 25kg;

Stannous chloride dihydrate is a white or colorless crystal, used for the colorimetric determination of silver, lead, arsenic, molybdenum, etc. It is also used as a reducing agent, mordant use as strong reducing agent, used for hydride determination by AAS, colorimetric determination of silver...

Tuesday 26 August 2025

It is a cosmetic raw material that can effectively prevent and lighten wrinkles and tighten skin. Relevant experimental studies show that 5PPM palmitoyl tripeptide-1 and 0.05% vitamin A have comparable activities in promoting the synthesizing ability of collagen and glycosaminoglycans...

Saturday 23 August 2025

Quantité : 1kg; 25kg;

Stannous chloride is a white powder used in dyestuffs, spices, mirror making, electroplating and other industries; and used as ultra-high-pressure lubricant, bleaching agent, as a reducing agent, mordant, decolorizing agent, and analytical reagent for silver, arsenic, molybdenum,...

Saturday 23 August 2025

Quantité : 1kg; 25kg;

Propionic anhydride is a transparent liquid, used as propionylating agent in the manufacture of pharmaceuticals, spices and special esters. In the pharmaceutical industry, it is used for the production of kerathamycin propionate (antibiotic), testosterone propionate (testosterone deficiency)...

Friday 22 August 2025

Quantité : 1kg; 25kg;

Potassium tert-butoxide, as a strong alkaline, is widely used in the condensation, rearrangement and ring opening reaction in organic production in the fields of chemical, pharmaceutical and pesticide. It can also be used: To synthesize aliphatic and aromatic amides from corresponding...

Friday 22 August 2025

Quantité : 1kg; 25kg;

Sodium tert-butoxide is used as a strong base and a non-nucleophilic base. In organic synthesis, it serves as an intermediate in various reactions like condensation, rearrangement and ring-opening. Further, it finds use in agrochemicals, pharmaceuticals, colorants, aroma chemicals...

Thursday 21 August 2025

Quantité : 1kg; 25kg;

Propionic acid is a colorless liquid, Used as organic reagent, esterification agent and plasticizer, also used in the preparation of food spices; preservative; mold inhibitor; spice. Used as viscous substance inhibitor for, etc.; used as feed mold inhibitor. Propionic acid is an important...

Thursday 21 August 2025

Quantité : 1kg; 25kg;

Propionic acid is a colorless liquid, Used as organic reagent, esterification agent and plasticizer, also used in the preparation of food spices; preservative; mold inhibitor; spice. Used as viscous substance inhibitor for, etc.; used as feed mold inhibitor. Propionic acid is an important...

Wednesday 20 August 2025

Quantité : 1kg; 25kg;

Diethyl oxalate is used to prepare active pharmaceutical ingredients (API), plastics and dyestuff intermediates. It is also used as a solvent for cellulose esters, ethers, resins, perfumes and lacquers for electronics. It is involved in the transesterification reaction with phenol...

Wednesday 20 August 2025

EPO has a wide range of clinical applications, and the anemic treatment of kidney and cancer tumors is the first. Chemicalbook detection of EPO level in serum of patients with cancer anemia, EPO concentration detection in anemia patients, EPO detection in serum of cancer patients...

Tuesday 19 August 2025

Quantité : 1kg; 25kg;

toluenesulfonic acid is widely used in the synthesis of pharmaceuticals, pesticides, stabilizers for polymerization reactions, catalysts for organic synthesis (esters, etc.), intermediates for coatings and resin curing agents. It is a common acid catalyst for organic synthesis. It...

Tuesday 19 August 2025

Quantité : 1kg; 25kg;

Ethylenediaminetetraacetic acid (EDTA, molecular weight 292) and its salts are aminopolycarboxylic acids that effectively chelate calcium ions in blood specimens. Chelation of calcium or removal of calcium from the reaction site will block and terminate the endogenous or exogenous...

Tuesday 19 August 2025

When patients want to remove birthmarks, hyperpigmentation and tattoos, Q Switch ND YAG laser tattoo removal machine was designed to target various types of pigment in the skin, and can achieve significant lightening of pigmented lesions and tattoos. However, whether the Q-Switched...

Saturday 16 August 2025

Quantité : 1kg; 25kg;

Trifluoroacetamide can be used to prepare N, O-bis(trimethylsilyl)trifluoroacetamide. N, O-bis(trimethylsilyl)trifluoroacetamide is an important pharmaceutical intermediate, mainly used as a neutral silylating agent in the silylation protection of amino groups, amino acids, phenols...

Saturday 16 August 2025

Quantité : 1kg; 25kg;

As a fine intermediate, trifluoroacetic acid is mainly used in the synthesis of fluorine-containing medicines, pesticides and dyes, and can also be used as a raw material for glass coating processes. It is a catalyst for esterification and condensation reactions; a protective agent...

Saturday 16 August 2025

Quantité : 1kg; 25kg;

It is prepared by the reaction of 2,2-dichloroethanol and potassium fluoride in a high-boiling-point glycol solvent, or by the addition of ethylene oxide and hydrogen fluoride. Brand: Soarwin CAS No.: 359-13-7 EC Number: 670-547-3 Molecular Formula: C2H4F2O Density: 1.296 Melting point...

Saturday 16 August 2025

Ethyl vinyl ether, with the chemical formula C4H8O, is a versatile compound. Ethyl vinyl ether was first synthesized and characterized in the early 20th century when chemists were exploring the reactivity of vinyl compounds and their derivatives. Its discovery helped expand the range...

Saturday 16 August 2025

Experience the power of cutting-edge technology, designed to target age spots, wrinkles, scars, and other skin concerns while promoting collagen production. Whether you're looking to improve the skin on your face, neck, or chest, Erbium Laser treatments offer precision and effectiveness...

Friday 15 August 2025

Quantité : 1kg; 25kg;

It is used as a strong alkaline catalyst, an ethoxylation agent, and as a coagulant and reducing agent in organic synthesis. Pharmaceutical products using sodium ethoxide include phenobarbital, indomethacin, phenytoin, methyl dopa, tetracaine hydrochloride, diethylzinc, methotrexate...

Friday 15 August 2025

Quantité : 1kg; 25kg;

Sodium methanolate, also known as sodium methylate, is an organic compound with the formula NaOCH3. It is a white, hygroscopic solid that is soluble in methanol and other polar solvents. Sodium methanolate is primarily used as a strong base in organic synthesis, where it plays a crucial...

Thursday 14 August 2025

Quantité : 1kg; 25kg;

Cyanoacetic acid, a compound with the formula NCCH2COOH, was first synthesized in the late 19th century as chemists explored derivatives of acetic acid. Cyanoacetic acid is characterized by the presence of both a cyano group (CN) and a carboxyl group (COOH), making it a versatile...