Skip to main content

4,4'-Stilbenedicarboxylic acid

Also known as: 4,4'-Stilbenedicarboxylic acid, stilbene-4,4'-dicarboxylic acid, trans-4,4'-stilbenedicarboxylic acid, (E)-4,4'-(ethene-1,2-diyl)dibenzoic acid, 4,4'-dicarboxystilbene, 4,4'-[(E)-1,2-ethenediyl]dibenzoic acid, 4,4'-vinylenedibenzoic acid, 4,4'-(1,2-ethenediyl)bisbenzoic acid, p,p'-dicarboxystilbene

4,4'-Stilbenedicarboxylic acid (CAS 100-31-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C16H12O4 and a molecular weight of 268.264 g/mol. Key properties include a melting point of >300°C, a boiling point of 518.5±39.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 281.4±23.6 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.
100-31-2
Jingsj CID
J-20135-4
Molecular Formula
C16H12O4
Molecular Weight
268.264 g/mol
Category
Organic Acids
Last updated
11/3/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point>300°C
Boiling Point518.5±39.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point281.4±23.6 °C
Exact Mass268.073547
PSA74.60000
LogP3.79
Vapor Pressure0.0±1.4 mmHg at 25°C
Refractive Index1.713

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2917399090
Summary2917399090 aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 4,4'-Stilbenedicarboxylic acid?

The CAS number of 4,4'-Stilbenedicarboxylic acid is 100-31-2.

What are the molecular formula and molecular weight of 4,4'-Stilbenedicarboxylic acid?

4,4'-Stilbenedicarboxylic acid has molecular formula C16H12O4 and molecular weight 268.264 g/mol.

Is 4,4'-Stilbenedicarboxylic acid hazardous?

4,4'-Stilbenedicarboxylic acid has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.

What are the upstream and downstream products of 4,4'-Stilbenedicarboxylic acid?

For 4,4'-Stilbenedicarboxylic acid, Upstream Products: Triethoxyvinylsilane, 4-Bromobenzoic acid, 4-Iodobenzoic acid; Downstream Products: dimethyl trans-stilbene-4,4'-dicarboxylate.

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

Last updated:

How to cite: Jingsj. "4,4'-Stilbenedicarboxylic acid (CAS 100-31-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20135-4 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.