Ultra Fine Powder Anti-caking L (+) Tartaric Acid

This product is a mixture of L (+)- Tartaric Acid and silica in proportion.

Chemical Name L (+)-Tartaric Acid;
1,2-Dihydroxyethane-1,2-dicarboxylic acid
Molecular Formula C4H6O6
Structural formula
Molecular Weight 150.09
CAS No 87-69-4
Character Colorless translucent crystal, or white coarse crystalline powder, with sour taste
Storage Keep in a light proof, dry, cool and air tight place
Quality Standard GB 25545-2010
Term of validity 2 years
Chemical Name Silica
Molecular Formula SiO2
Structural Formula O=Si=O
Molecular Weight 60.074
CAS No 14808-60-7
Character Pure silica without color, is solid at room temperature, insoluble in water and acid.


  • Architecture

    In the field of architecture, Ultra Fine Powder Anti-caking L (+) Tartaric Acid can be used as a retarder for gypsum products.

Test Item Limit
Content ( C4H6O6 %) ≥94.5
Specific rotatory power[a]D25 +12.0°~+13.0°
Loss on drying ( %) ≤0.20
Loss on drying(Pb)% ≤0.001
Anti-Caking Agent (%) 5
Particle Size Min. 98.7% (Through 63 microns)

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