5,5'-(Dimethylsilanediyl)diisophthalic acid

5,5'-(二甲基硅烷二基)二间苯二甲酸

Also known as: 5,5'-(dimethylsilylene)bis-1,3-Benzenedicarboxylic acid, 5-[(3,5-Dicarboxyphenyl)-dimethylsilyl]benzene-1,3-dicarboxylic acid, Bis (3, 5-dicarboxyphenyl) dimethylsilan

5,5'-(Dimethylsilanediyl)diisophthalic acid (CAS 1171890-34-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C18H16O8Si and a molecular weight of 388.4 g/mol. It is also known as 5,5'-(dimethylsilylene)bis-1,3-Benzenedicarboxylic acid, 5-[(3,5-Dicarboxyphenyl)-dimethylsilyl]benzene-1,3-dicarboxylic acid and Bis (3, 5-dicarboxyphenyl) dimethylsilan. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1171890-34-8
Jingsj CID: J-1114298-6
Molecular Formula: C₁₈H₁₆O₈Si
Chinese Name: 5,5'-(二甲基硅烷二基)二间苯二甲酸
Molecular Weight: 388.4 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 5,5'-(Dimethylsilanediyl)diisophthalic acid?

The CAS number of 5,5'-(Dimethylsilanediyl)diisophthalic acid is 1171890-34-8.

What are the molecular formula and molecular weight of 5,5'-(Dimethylsilanediyl)diisophthalic acid?

5,5'-(Dimethylsilanediyl)diisophthalic acid has molecular formula C18H16O8Si and molecular weight 388.4 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "5,5'-(Dimethylsilanediyl)diisophthalic acid (CAS 1171890-34-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1114298-6 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.