Di-p-toluoyl-L-tartaric acid (anhydrous)

1. Abbreviation: L-(-)-DTTA  Product name: Di-p-toluoyl-L-tartaric acid

2. CAS NO: 32634-66-5

3. Molecular Formula: C₂₀H₁₈O₈

4. Molecular Weight: 386.33

5. Structural formula: 

6. Properties: This product is a white crystalline powder, easy to absorb water in the air, soluble in ethanol and methanol, not easily dissolved in water.

7. Uses: Widely used for chiral resolution of amines.

8. Product quality standards:

Item	Index
Content	≥99%
Specific rotation	[α]=-136～-139(c=1,EtOH)
Melting point(dry basis)	168～171℃