Skip to main content
Jingsj
.mol.sdf

cis-1,2,3,4-cyclopentanetetracarboxylic acid

Also known as: cis,cis,cis,cis-1,2,3,4-cyclopentanetetracarboxylic acid, cyclopentane-1,2,3,4-tetracarboxylic acid, CPTA, MFCD00001377, EINECS 223-256-7, r-1,c-2,c-3,c-4-cyclopentanetetracarboxylic acid

cis-1,2,3,4-cyclopentanetetracarboxylic acid (CAS 3786-91-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H10O8 and a molecular weight of 246.171 g/mol. Key properties include a melting point of 192 °C, a boiling point of 495.6±45.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 267.6±25.2 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H311 — Toxic in contact with skin and H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3786-91-2
Jingsj CID
J-1089258-7
Molecular Formula
C9H10O8
Molecular Weight
246.171 g/mol
Category
Organic Acids
Last updated
8/21/2026
Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point192 °C
Boiling Point495.6±45.0 °C at 760 mmHg
Density1.8±0.1 g/cm3
Flash Point267.6±25.2 °C
Exact Mass246.037567
PSA149.20000
LogP-1.31
Vapor Pressure0.0±2.7 mmHg at 25°C
Refractive Index1.606

GHS Safety & Compliance

Corrosion / Acute ToxicitySignal word: Danger
  • H301 — Toxic if swallowed
  • H311 — Toxic in contact with skin
  • H314 — Causes severe skin burns and eye damage
  • H331 — Toxic if inhaled

Frequently Asked Questions

What is the CAS number of cis-1,2,3,4-cyclopentanetetracarboxylic acid?

The CAS number of cis-1,2,3,4-cyclopentanetetracarboxylic acid is 3786-91-2.

What are the molecular formula and molecular weight of cis-1,2,3,4-cyclopentanetetracarboxylic acid?

cis-1,2,3,4-cyclopentanetetracarboxylic acid has molecular formula C9H10O8 and molecular weight 246.171 g/mol.

Is cis-1,2,3,4-cyclopentanetetracarboxylic acid hazardous?

cis-1,2,3,4-cyclopentanetetracarboxylic acid has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H311 — Toxic in contact with skin; H314 — Causes severe skin burns and eye damage.

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

Last updated:

How to cite: Jingsj. "cis-1,2,3,4-cyclopentanetetracarboxylic acid (CAS 3786-91-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1089258-7 (accessed 2026-11-09).

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