| 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 |
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
Synonyms:
32634-68-7
(+)-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)-
Specification & Properties
Specifications:
| 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 |
Properties:
| Melting Point | 171 deg.C(dec.) |
| Specific Rotation | 139 (C=1,EtOH) |
Safety & Regulations
Safety Information:
| 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:
Warning!
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.
