1,3:2,4-Bis-O-(3,4-dimethylbenzylidene)-D-sorbitol TCI B5693

Chemical Identity

Other names: DMDBS · 1,3:2,4-Bis-O-[(3,4-dimethylphenyl)methylene]-D-glucitol · DMDBS
CAS No.: 135861-56-2
PubChem: CID 18666587·SID 354335525
Formula: C24H30O6
Molecular weight: 414.50 g/mol
Purity: >98.0%(HPLC)
Reference databases: ChemSpider·ECHA

Full identifiers (IUPAC, SMILES, InChIKey)

IUPAC: (1R)-1-[(4R,4aR,8aS)-2,6-bis(3,4-dimethylphenyl)-4,4a,8,8a-tetrahydro-[1,3]dioxino[5,4-d][1,3]dioxin-4-yl]ethane-1,2-diol
SMILES: CC1=C(C=C(C=C1)C2OCC3C(O2)C(OC(O3)C4=CC(=C(C=C4)C)C)C(CO)O)C
InChIKey: YWEWWNPYDDHZDI-JJKKTNRVSA-N
MDL: MDL09038711

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TCI B5693 1,3:2,4-Bis-O-(3,4-dimethylbenzylidene)-D-sorbitol is a modified sorbitol-based polymer additive that serves as a highly effective nucleating and clarifying agent, primarily for polypropylene (PP) and related polyolefins. This substituted dibenzylidene sorbitol (DBS) derivative enhances crystallization kinetics by forming a nanofibrillar network within the polymer melt, resulting in improved optical clarity, higher crystallization temperatures, and reduced cycle times during processing. Beyond industrial polymer applications, the compound is also widely employed as a low-molecular-weight organogelator (LMOG) in supramolecular chemistry research, enabling the formation of physical gels in organic solvents for applications in smart materials, drug delivery, and tissue engineering scaffolds.