Molekula
Dibenzoyl-L-tartaric acid
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Dibenzoyl-L-tartaric acid is a chiral auxiliary used in asymmetric synthesis, particularly in the resolution of racemic mixtures and the synthesis of enantiomerically pure compounds. It is a derivative of tartaric acid with two benzoyl groups attached. Available in 1 g, 5 g, and 25 g quantities, it has a molecular weight of 358.30 g/mol, a CAS number of 2743-38-6, and should be stored at ambient temperature. It carries a warning signal word due to potential hazards. Molekula supplies Dibenzoyl-L-tartaric acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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100 g — $56.10 per pack
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1 kg — $177.30 per pack
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Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White to off white crystalline powder |
| Melting Point | 151 - 154°C |
| Loss on Drying | ≤0.5% |
| Purity | ≥99.0% |
| Residue on Ignition | ≤0.1% |
| Heavy Metals (Pb) | ≤10ppm |
| Specific Optical Rotation[α]D20 | -114° ~ 117° |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 15303049 |
| CAS Number | 2743-38-6 |
| IUPAC Name | (2R,3R)-2,3-dibenzoyloxybutanedioic acid |
| EC Number | 220-374-0 |
| Molecular Formula | [C6H5CO2CH(CO2H)-]2 |
| Molecular Weight | 358.30 |
| Exact Mass | 358.0689 |
| SMILES | C1=CC=C(C=C1)C(=O)O[C@H]([C@H](C(=O)O)OC(=O)C2=CC=CC=C2)C(=O)O |
| InChIKey | YONLFQNRGZXBBF-ZIAGYGMSSA-N |
| InChI | InChI=1S/C18H14O8/c19-15(20)13(25-17(23)11-7-3-1-4-8-11)14(16(21)22)26-18(24)12-9-5-2-6-10-12/h1-10,13-14H,(H,19,20)(H,21,22)/t13-,14-/m1/s1 |
| PubChem CID | 75969 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2918.13.50.00 |
| Tariff Code | 2918130000 |
Safety & GHS
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Corrosive
GHS05
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Health Hazard
GHS07
Hazard statements
- H317 May cause an allergic skin reaction
- H318 Causes serious eye damage
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- (-)-2,3-Dibenzoyl-L-tartaric acid
- (-)-O,O'-Dibenzoyl-L-tartaric acid
- (2R,3R)-2,3-bis(benzoyloxy)butanedioic acid
- (2R,3R)-2,3-bis(benzoyloxy)succinic acid
- 2,3-Bis(benzoyloxy)tartaric acid
- Butanedioic acid, 2,3-bis(benzoyloxy)-, (2R,3R)-
- Dibenzoyl d-tartaric acid
- dibenzoyltartric acid
- O,O-Dibenzoyl-(+)-tartaric acid
- Tartaric acid, dibenzoate, (-)-
Frequently asked questions
What is dibenzoyl-L-tartaric acid used for?
It is primarily used as a chiral auxiliary in asymmetric synthesis, particularly in the production of enantiomerically pure compounds in pharmaceutical and fine chemical manufacturing.
What is the chemical formula and molecular weight of dibenzoyl-L-tartaric acid?
The formula is C18H14O8 and the molecular weight is 358.30 g/mol.
How should dibenzoyl-L-tartaric acid be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade is available for dibenzoyl-L-tartaric acid?
It is available in high purity grade suitable for research and pharmaceutical synthesis.
Can Molekula supply dibenzoyl-L-tartaric acid in bulk?
Yes, Molekula can supply dibenzoyl-L-tartaric acid in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with an order of dibenzoyl-L-tartaric acid?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.