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    Related: Chelating Agent DL-Tartaric Acid Citric Acid
    • L-Carnitine L-Tartrate CAS 36687-82-8
    • L-Carnitine L-Tartrate CAS 36687-82-8
    • L-Carnitine L-Tartrate CAS 36687-82-8

    L-Carnitine L-Tartrate CAS 36687-82-8

    L-Carnitine L-Tartrate (LCLT), also called levocarnitine tartrate or vitamin BT tartrate, CAS 36687-82-8, is a white to off-white crystalline carnitine salt supplied in food or pharma grade. Confirm the required grade and specification, then request a quotation with COA/TDS/SDS for bulk supply.

    • CAS: 36687-82-8
    • Synonyms: L-Carnitine tartrate, L-Carnitine salt with L-tartaric acid (2:1), Bis(3-carboxy-2-hydroxypropyl)trimethylammonium tartrate, Vitamin BT tartrate, Levocarnitine tartrate
    • Einecs: 459-550-9
    • Molecular Formula: C₁₈H₃₆N₂O₁₂
    • Grade: Food/Pharma Grade
    • Package: 25kg/bag (Plastic woven bag with PE liner) or 500kg/1000kg Jumbo Bag.
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    Product Description

    L-Carnitine L-Tartrate CAS 36687-82-8 is the stable 2:1 salt of L-carnitine and L-tartaric acid, also known as LCLT or levocarnitine tartrate, with molecular formula C18H36N2O12, molecular weight about 472.49 and EINECS 459-550-9.

    Synonyms: L-Carnitine tartrate; L-Carnitine salt with L-tartaric acid (2:1); Bis(3-carboxy-2-hydroxypropyl)trimethylammonium tartrate; Vitamin BT tartrate; Levocarnitine tartrate.

    CAS: 36687-82-8.

    It has the molecular formula C18H36N2O12 and a molecular weight of about 472.49 g/mol.

    It appears as a white to off-white crystalline powder with a mild, slightly acidic or citrus-like taste.

    A typical specification includes an aqueous solution pH of 3.0–4.5, a melting point of about 169–175 °C and roughly 68% L-carnitine with 32% tartaric acid.

    It is freely soluble in water and only slightly soluble in alcohol.

    In sports nutrition it serves as a carnitine source that supports the transport of long-chain fatty acids into mitochondria for energy metabolism.

    Compared with L-carnitine base, the tartrate salt is less hygroscopic and gives better flow and stability in solid dosage forms.

    It is widely used in pre-workout, recovery and performance-nutrition powders, capsules and tablets.

    In dietary supplements it provides a stable, pleasant-tasting carnitine form for capsules, tablets and powder blends.

    L-carnitine base is highly hygroscopic and can absorb moisture and clump, so the tartrate salt is preferred for solid-dose manufacturing.

    It can also be used in liquid systems because it dissolves freely in water, but its acidic pH means solid dosage forms are more common.

    Store in a cool, dry, well-ventilated area in airtight packaging to prevent moisture pickup and caking.

    Confirm appearance, assay, pH, melting range, specific rotation, heavy metals, microbial limits and residual solvent limits as required.

    Use dust masks or respirators and eye protection during handling, and wash skin contact with soap and water.

    Confirm packaging with the requested quantity and destination requirements.

    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 and specification, quantity, packaging, destination and document needs.

    FAQ - Technical & Supply Chain

    • Q:

      What is L-Tartrate CAS 36687-82-8?

      A: L-Tartrate CAS 36687-82-8 is L-Carnitine L-Tartrate, a stable salt formed from L-carnitine and tartaric acid. It has the molecular formula C18H36N2O12, molecular weight about 472.49 g/mol, and EINECS 459-550-9, and is supplied as a white to off-white crystalline powder.
    • Q:

      Why is L-Carnitine L-Tartrate preferred over L-Carnitine base in solid dosage forms?

      A: L-Carnitine base is hygroscopic and can absorb moisture, causing clumping and poor flow in capsules or tablets. L-Carnitine L-Tartrate is more stable, less hygroscopic, and better suited to solid-dose manufacturing, which is why it is widely used in tablets and capsules.
    • Q:

      What are the key specifications for L-Carnitine L-Tartrate food/pharma grade?

      A: Typical specifications include a white to off-white crystalline powder, pH of 3.0-4.5 in aqueous solution, melting point around 169-175 C, and roughly 68% L-carnitine with 32% tartaric acid. It is freely soluble in water and only slightly soluble in alcohol.
    • Q:

      How is L-Carnitine L-Tartrate used in sports nutrition?

      A: It is used as a carnitine source in pre-workout, recovery, and performance-nutrition products to support fatty-acid transport into mitochondria. Its good flow and reduced hygroscopicity make it especially practical in powders, capsules, and tablets.
    • Q:

      Is L-Carnitine L-Tartrate suitable for liquid formulations?

      A: It can be used in liquid systems because it is freely soluble in water, but its acidic pH and formulation profile mean it is most often selected for solid dosage forms. For some high-strength or pH-sensitive liquids, formulators may evaluate L-carnitine base or another salt instead.

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