Butanedioic acid, 2,3-bis[(4-methylbenzoyl)oxy]-, (2S,3S)-

Purity : >98.0%(T)(HPLC)

CAS No.: 32634-68-7
EC No.: 251-132-2
EC Name: (2S,3S)-2,3-bis[(4-methylbenzoyl)oxy]butanedioic acid
ECHA Name: [S(R*,R*)]-2,3-bis[(4-methylbenzoyl)oxy]succinic acid

(+)-di-1,4-toluoyl-d-tartaric acid
Di-p-toluoyl-D-tartaric acid
(2S,3S)-2,3-Bis((4-methylbenzoyl)oxy)succinic acid
Butanedioic acid, 2,3-bis[(4-methylbenzoyl)oxy]-, (2S,3S)-

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SKU: Butanedioic acid, 2,3-bis[(4-methylbenzoyl)oxy]-, (2S,3S)- ; 32634-68-7 ; (2S,3S)-2,3-bis[(4-methylbenzoyl)oxy]butanedioic acid ; 251-132-2 ; [S(R*,R*)]-2,3-bis[(4-methylbenzoyl)oxy]succinic acid ; 100.046.469 Category:
Purity / Analysis Method >98.0%(T)(HPLC)
Molecular Formula / Molecular Weight C20H18O8 = 386.36
Physical State (20 deg.C) Solid
CAS RN 32634-68-7
PubChem Substance ID 87567921
MDL Number MFCD00008552

Specification & Properties

Appearance White to Almost white powder to crystal
Purity(HPLC) min. 98.0 area%
Optical purity(LC) min. 98.0 ee%
Purity(Neutralization titration) min. 98.0 %
Solubility in Methanol almost transparency
Melting Point 171 deg.C(dec.)
Specific Rotation 139 (C=1,EtOH)

Safety & Regulations

Safety Information:
Chemical Safety Chemical Safety
Signal Word Warning
Hazard Statements H315 : Causes skin irritation.
H319 : Causes serious eye irritation.
Precautionary Statements P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves/ eye protection/ face protection.
P302 + P352 : IF ON SKIN: Wash with plenty of water.
P337 + P313 : If eye irritation persists: Get medical advice/ attention.
P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P362 + P364 : Take off contaminated clothing and wash it before reuse.
P332 + P313 : If skin irritation occurs: Get medical advice/ attention.
Related Laws:
Transport Information:
Hazard Classification:

According to the classification provided by companies to ECHA in REACH registrations this substance
causes serious eye irritation,
is harmful to aquatic life with long lasting effects and
may cause an allergic skin reaction.

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