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Catalysts & Catalyst Precursors

Scandium triflate

CAS: 144026-79-9

Overview

Scandium triflate (CAS 144026-79-9 ), also known as scandium trifluoromethanesulfonate, is a rare earth metal salt valued primarily as a Lewis acid catalyst. It activates a broad range of organic reactions under mild conditions.

Unlike many metal catalysts, it retains activity in aqueous media. This property directly reduces solvent costs and waste in manufacturing processes, making it a sustainable choice for modern chemical production facilities.

In pharmaceutical synthesis, this compound catalyzes Friedel-Crafts alkylations, Diels-Alder cycloadditions, and Mannich reactions. It enables efficient construction of complex intermediates without requiring anhydrous conditions.

Polymer manufacturers use it to initiate ring-opening polymerizations and controlled cationic processes. This allows for precise control over molecular weight distribution in the production of specialty plastics and resins.

In textile and paper processing, it functions as a catalyst for esterification and crosslinking treatments. These applications improve fiber durability and surface performance for high-end industrial materials.

Its application in flame retardant formulation development is emerging. It acts as a catalyst in the synthesis of phosphorus- or halogen-based retardant compounds used in various safety-critical industries.

The product is supplied as a white to off-white crystalline powder. It is available in research quantities through to multi-kilogram commercial lots, with purity grades typically ranging from 95% to 99%+.

High-purity grades suited to pharmaceutical and fine chemical synthesis are the most commercially prevalent offerings. These materials meet rigorous internal quality standards for consistency and performance in sensitive reactions.

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Physical Properties

Melting Point47 °C
AppearanceWhite powder
ColorWhite
FormPowder
Water SolubilitySoluble in water, alcohol and acetonitrile.

Safety & Handling

Warning GHS07 Hazard Statements H315 Causes skin irritation H319 Causes serious eye irritation H335 May cause respiratory irritation Precautionary Statements P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash … thoroughly after handling. P271 Use only outdoors or in a well-ventilated area. P280 Wear protective gloves/protective clothing/eye protection/face protection. P319 Get medical advice/attention if you feel unwell. P321 Specific treatment (see … on this label). P405 Store locked up. P501 Dispose of contents/container in accordance with local regulations. P264+P265 Wash … thoroughly after handling. P302+P352 IF ON SKIN: Wash with plenty of water. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P332+P317 Get emergency medical help. P337+P317 If eye irritation persists: Get medical advice/attention. Get emergency medical help. P362+P364 Take off contaminated clothing and wash it before reuse. P403+P233 Store in a well-ventilated place. Keep container tightly closed. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Trade & Regulatory

HS Code28469099
Storage Class11 - Combustible Solids
WGK (Germany)3

Other Names

scandium(III) triflate | RefChem:884659 | Methanesulfonic acidtrifluoro-scandium(3+) salt | Sc(OTf)3 | QUJLPICXDXFRSN-UHFFFAOYSA-N | Methanesulfonic acid111-trifluoro-scandium(3+) salt (3:1) | Scandium(III) trifluoromethanesulfonate | Scandium tris(trifluoromethanesulfonate)

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Chemical Properties

CAS Number
144026-79-9
EC Number
629-306-8
Mol. Weight
195.04
HS Code
28469099

Industries

Documentation