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32634-68-7

(+)-Di-1,4-toluoyl-D-tartaric acid

CAS: 32634-68-7

Molecular Formula: C20H18O8

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32634-68-7 - Names and Identifiers

Name (+)-Di-1,4-toluoyl-D-tartaric acid
Synonyms D-DTTA
RivastigMine USP RC A
L-di-p-Toluyltartaric acid
(+)- Ditoluoyltartaric acid
Di-p-toluoyl-D-tartaric acid
(-)-di-p-Toluyl-L-tartaric acid
RivastigMine Related CoMpound A
(+)-Di-p-toluoyl-D-tartaric acid
D- twoMethylbenzoyltartaric acid
D - 2 Methyl benzoyl tartaric acid
(+)-Di-1,4-toluoyl-D-tartaric acid
(+)-2,3-Di-p-toluoyl-D-tartaric acid
2,3-Di-O-para-toluoyl-D-tartaric acid
2,3-bis(4-methylphenoxy)butanedioic acid
(2S,35)-(-)-di-o-4-Toluoyl-D-tartaric acid
2,3-Bis[(4-methylbenzoyl)oxy]succinic acid
2,3-DI-O-PARA-TOLUOYL-D-TARTARICACIDHYDRATE
(+)-Di-p-toluoyl-D-tartaric acid(Anhydrous)
(2S,3S)-2,3-bis[(4-methylbenzoyl)oxy]butanedioic acid
Butanedioic acid, 2,3-bis((4-methylbenzoyl)oxy)-, (2S,3S)-
2,3-bis{[(4-methylphenyl)carbonyl]oxy}butanedioic acid hydrate
Butanedioic acid, 2,3-bis[(4-methylbenzoyl)oxy]-, [S-(R*,R*)]-
2,3-bis[(4-methylbenzoyl)oxy]-,[s-(theta,theta)]-butanedioicaci
(+)-Di-1,4-toluoyl-D-tartaric acid [S(R*,R*)]-2,3-bis[(4-methylbenzoyl)oxy]succinic acid
CAS 32634-68-7
EINECS 251-132-2
InChI InChI=1/C18H18O6/c1-11-3-7-13(8-4-11)23-15(17(19)20)16(18(21)22)24-14-9-5-12(2)6-10-14/h3-10,15-16H,1-2H3,(H,19,20)(H,21,22)

32634-68-7 - Physico-chemical Properties

Molecular FormulaC20H18O8
Molar Mass386.35
Density1.3084 (rough estimate)
Melting Point169-171°C(lit.)
Boling Point432.57°C (rough estimate)
Specific Rotation(α)136 º (c=1, EtOH)
Flash Point148.24°C
Water Solubility112.55mg/L at 25℃
Solubility DMSO (Slightly), Ethanol (Sparingly), Methanol (Slightly)
Vapor Presure0Pa at 25℃
AppearanceOdorless White Solid
ColorWhite to Off-White
BRN3225584
pKa1.46±0.25(Predicted)
Storage ConditionInert atmosphere,Room Temperature
Refractive Index139 ° (C=1, EtOH)
MDLMFCD00008552
Physical and Chemical Properties

Melting Point: 165 - 167 ℃

UseWidely used for Chiral separation of amine compounds

32634-68-7 - Risk and Safety

Hazard SymbolsXi - Irritant
Irritant
Risk Codes36/37/38 - Irritating to eyes, respiratory system and skin.
Safety DescriptionS22 - Do not breathe dust.
S24/25 - Avoid contact with skin and eyes.
S36/37 - Wear suitable protective clothing and gloves.
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
WGK Germany3
FLUKA BRAND F CODES3-10
TSCAT
HS Code29181300

32634-68-7 - Reference Information

LogP2.97 at 25℃
NIST chemical information Information provided by: webbook.nist.gov (external link)
EPA chemical information Information provided by: ofmpub.epa.gov (external link)
Uses Widely used for chiral resolution of amine compounds
Last Update：2024-04-09 19:05:11
32634-68-7
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32634-68-7
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