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    Related: Humectant Solvent Propylene glycol TPG
    • Butylene Glycol CAS 107-88-0

    Butylene Glycol CAS 107-88-0

    Butylene Glycol (1,3-butanediol), CAS 107-88-0, is a clear, colorless diol supplied as a humectant, solvent and viscosity modifier for cosmetics, personal care and industrial formulations. Confirm the required grade, then request a quotation with COA/TDS/SDS for bulk supply.

    • CAS: 107-88-0
    • Synonyms: 1,3-Butanediol, 1,3-Butylene glycol, Butane-1,3-diol, Methyl trimethylene glycol, 1,3-Dihydroxybutane
    • Einecs: 203-529-7
    • Molecular Formula: C₄H₁₀O₂
    • Grade: Electron Grade, Industrial Grade, Medicine Grade
    • Package: 200 kg galvanized drums or 1,000 kg IBC tanks; flexitank loading available for bulk orders
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    Product Description

    Butylene Glycol, CAS 107-88-0, also known as 1,3-butanediol or 1,3-butylene glycol, is a clear, colorless hygroscopic diol; the EC/EINECS number is 203-529-7.

    Synonyms: 1,3-butanediol; 1,3-butylene glycol; butane-1,3-diol; methyl trimethylene glycol; 1,3-dihydroxybutane.

    CAS: 107-88-0.

    Molecular formula: C₄H₁₀O₂.

    Molecular weight: 90.12 g/mol.

    EC number: 203-529-7.

    It is a colorless, clear, viscous liquid, practically odorless, soluble in water and hygroscopic.

    The assay (GC) is ≥99.5%; water content ≤0.5% w/w and color (Pt-Co) ≤10.

    Density at 20 °C is typical; it is used as a humectant and solvent in skin-care and hair-care products.

    It is used in pharmaceutical and personal-care formulations as a carrier and viscosity modifier.

    It is used in industrial applications such as resins, coatings, polyurethanes and cleaning products.

    It is used in electronics-grade processes and botanical extraction due to its polarity and water-miscibility.

    It can support preservation systems by reducing water activity and improving solubility of certain preservatives.

    Confirm grade, assay, water, color, acidity, density, refractive index, heavy metals and residual-solvent or microbial limits.

    Store in tightly closed containers in a cool, dry, ventilated area away from moisture, heat and incompatible materials.

    Confirm packaging with the requested quantity and destination requirements.

    Document requirements should be confirmed from the current specification, SDS, COA or other product-specific files.

    The page is an RFQ entry point and does not state stock, price, MOQ or fixed lead time.

    For an RFQ, state the intended use, required grade, quantity, packaging, destination and document needs.

    FAQ - Technical & Supply Chain

    • Q:

      What is Butylene Glycol CAS 107-88-0?

      A: Butylene glycol with CAS 107-88-0 is 1,3-butanediol, a colorless, viscous and hygroscopic diol. It is used as a humectant, solvent and intermediate in cosmetics, pharmaceuticals and industrial systems.
    • Q:

      Why is the CAS number important for this product?

      A: The term butylene glycol can refer to different isomers. CAS 107-88-0 specifically identifies 1,3-butanediol, which is the grade commonly used in cosmetic and personal-care formulations rather than 1,4-butanediol.
    • Q:

      What are the main applications?

      A: It is used in skin-care and hair-care products as a humectant and solvent, in pharmaceutical and personal-care formulations as a carrier, and in industrial applications such as resins, coatings, polyurethanes, cleaning products and electronics-grade processes.
    • Q:

      Why is it used in botanical extraction?

      A: Its polarity and water-miscibility help dissolve a broad range of plant actives while improving extraction efficiency and formulation stability. This makes it useful for botanical extracts and cosmetic actives.
    • Q:

      Does butylene glycol help with preservation?

      A: It is primarily a humectant and solvent, but it can support preservation systems by reducing water activity and improving solubility of certain preservatives or botanical actives. It should not replace an appropriately validated preservative system.
    • Q:

      Which grades and packaging are available?

      A: This listing covers electron, industrial and medicine grades. It is supplied in 200 kg galvanized drums or 1,000 kg IBC tanks, with flexitank loading available for bulk orders.
    • Q:

      What specifications should be confirmed before ordering?

      A: Confirm grade, assay, water, color, acidity, density, refractive index, heavy metals and any residual-solvent or microbial limits relevant to the end use. Request the batch analysis, technical data and safety information before purchase.
    • Q:

      How should butylene glycol be stored and handled?

      A: Store in tightly closed containers in a cool, dry, ventilated area away from moisture, heat and incompatible materials. Use suitable chemical-resistant gloves and eye protection, and follow the safety information for spill and disposal procedures.

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