Description

(S,S)-(-)-Hydrobenzoin is a high-purity chiral diol compound, specifically the (S,S)-enantiomer of 1,2-diphenyl-1,2-ethanediol. This compound is a crucial chiral building block and resolving agent in asymmetric synthesis, valued for its ability to induce stereoselectivity in chemical reactions. It is primarily utilized by research institutions and manufacturers in the pharmaceutical, agrochemical, and fine chemical industries for the development of enantiomerically pure active ingredients and advanced materials.

Application

• Chiral Auxiliary/Resolving Agent: Used for the resolution of racemic mixtures and as a ligand precursor in asymmetric catalysis.
• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of enantiomerically pure drugs and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Employed in the production of chiral pesticides and herbicides where specific stereochemistry is required for biological activity.
• Fine Chemical Production: Acts as a precursor for specialty chemicals, flavors, and fragrances requiring high stereochemical purity.
• Academic & Industrial Research: A standard reagent in methodological development for new asymmetric synthetic transformations.
• Polymer Chemistry: Can be used as a monomer or chain extender for creating polymers with specific chiral architectures.

Basic Information

Product Name	(S,S)-(-)-Hydrobenzoin
CAS No.	2325-10-2
Molecular Formula	C14H14O2
Molecular Weight	214.26 g/mol
Synonyms	(1S,2S)-1,2-Diphenyl-1,2-ethanediol; (S,S)-1,2-Diphenylethane-1,2-diol; (-)-Hydrobenzoin; L-Hydrobenzoin; (S,S)-Stilbenediol; (S,S)-Diphenylglycol; meso-Hydrobenzoin (isomer); 1,2-Dihydroxy-1,2-diphenylethane (S,S-form)
EINECS	219-041-3

Quality Control

Our (S,S)-(-)-Hydrobenzoin is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity assessment by HPLC, to ensure it meets the high standards required for synthetic applications. A Certificate of Analysis (COA) detailing identity, purity, enantiomeric excess, and specific impurity profiles is provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0%
Melting Point	136 - 140 °C
Specific Rotation [α]20/D	-105° to -115° (c=1 in Ethanol)
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.