P-Toluenesulfonic Acid PTSA

pTSA; pTsOH; Tosilic Acid; Tosic Acid; 4-Methylbenzenesulfonic acid

CAS number: 104-15-4
EC Number: 203-180-0
Chemical formula: C7H8O3S; CH3C6H4SO3H
ADR: Yes
Physical form: White Crystalline Powder

Key applications

Raw materials for laboratories,
Raw materials for the printing industry,
Raw materials for dye and pigment production,
Raw materials for household chemicals production,
Raw materials for paint and varnish production,
Raw materials for the production of adhesives, oils, lubricants,
Raw materials for plastics production,
Raw materials for operational fluids


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    dystrybutor surowców chemicznych globalne działanie centro-chem
    dystrybutor surowców chemicznych globalne działanie centro-chem

    Why it is worth cooperating with us?

    Order quickly, efficiently, reduce risk.

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    The chemical raw materials you’re looking for are in our warehouses

    Our own warehouses, fleet of trucks, and stable supply chain mean wide availability and fast order fulfillment

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    No worries about the quality of chemical raw materials

    Concrete actions, not just words, confirm the quality of the materials we offer. It’s our implemented ISO system, GMP+ certification, or the GMP+B4 fleet standard

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    Risk minimized to the minimum

    We fully control the supply chain in Poland and worldwide. We have our own fleet of trucks, warehouses, customs warehouses, and a platform for container transport.

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    Convenient packaging with customization options

    Bags, big bags, tanks, pallet containers, barrels, jerrycans, bottles... we tailor the packaging to your needs. We can also provide personalized labels for you.

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    Partnership at every stage

    We respond to inquiries within a maximum of 30 minutes, assign a dedicated account manager, keep our promises, and focus on long-term cooperation.


    bonded warehouses


    years of experience

    2 000

    trading partners from all over the world




    countries we cooperate with

    14 000 m²

    warehouse area