(+)-Di-p-toluoyl-D-tartaric Acid , ≥99.0% , 32634-68-7

Synonym(s):
(+)-O,O′-Di-p-toluoyl-D-tartaric acid;Di-p-toluoyl-D-tartaric acid

CAS NO.：32634-68-7

Empirical Formula: C20H18O8

Molecular Weight: 386.35

MDL number: MFCD00008552

EINECS: 251-132-2

PRODUCT Properties

• Melting point: 169-171 °C(lit.)
• alpha: 136 º (c=1, EtOH)
• Boiling point: 432.57°C (rough estimate)
• Density: 1.3084 (rough estimate)
• vapor pressure: 0Pa at 25℃
• refractive index: 139 ° (C=1, EtOH)
• storage temp.: Inert atmosphere,Room Temperature
• solubility: DMSO (Slightly), Ethanol (Sparingly), Methanol (Slightly)
• form: Solid
• pka: 1.46±0.25(Predicted)
• color: White to Off-White
• optical activity: [α]19/D +138°, c = 1 in ethanol
• Water Solubility: 112.55mg/L at 25℃
• BRN: 3225584
• InChI: 1S/C20H18O8/c1-11-3-7-13(8-4-11)19(25)27-15(17(21)22)16(18(23)24)28-20(26)14-9-5-12(2)6-10-14/h3-10,15-16H,1-2H3,(H,21,22)(H,23,24)/t15-,16-/m0/s1
• InChIKey: CMIBUZBMZCBCAT-HOTGVXAUSA-N
• SMILES: Cc1ccc(cc1)C(=O)O[C@@H]([C@H](OC(=O)c2ccc(C)cc2)C(O)=O)C(O)=O
• LogP: 2.97 at 25℃
• CAS DataBase Reference: 32634-68-7(CAS DataBase Reference)
• NIST Chemistry Reference: (+)-Di-o-4-toluoyl-d-tartaric acid(32634-68-7)
• EPA Substance Registry System: Butanedioic acid, 2,3-bis[(4-methylbenzoyl)oxy]-, (2S,3S)- (32634-68-7)

Description and Uses

Inhibitor of enzyme. Rivastigmine USP Related Compound A.

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H315-H319
• Precautionary statements: P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313
• PPE: Eyeshields, Gloves, type N95 (US)
• Hazard Codes: Xi
• Risk Statements: 36/37/38
• Safety Statements: 22-24/25-36/37-26
• WGK Germany: 3
• F: 3-10
• TSCA: TSCA listed
• HS Code: 29181300
• Storage Class: 11 - Combustible Solids
• Hazard Classifications: Eye Irrit. 2