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Nadic acid

Also known as: bicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid, 5-norbornene-2,3-dicarboxylic acid, 5-norbornene-endo-2,3-dicarboxylic acid, 3,6-endomethylene-1,2,3,6-tetrahydrophthalic acid, carbic acid, endo-methylenetetrahydrophthalic acid, cis-5-norbornene-endo-2,3-dicarboxylic acid, MFCD00152680, EINECS 223-301-0

Nadic acid (CAS 3813-52-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H10O4 and a molecular weight of 182.173 g/mol. Key properties include a melting point of 175ºC (DEC.), a boiling point of 419.8±45.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 221.8±25.2 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3813-52-3
Jingsj CID
J-31623-4
Molecular Formula
C9H10O4
Molecular Weight
182.173 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point175ºC (DEC.)
Boiling Point419.8±45.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point221.8±25.2 °C
Exact Mass182.057907
PSA74.60000
LogP0.35
Vapor Pressure0.0±2.1 mmHg at 25°C
Refractive Index1.601

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H312 — Harmful in contact with skin
  • H332 — Harmful if inhaled
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2917209090
Summary2917209090 other cyclanic, cyclenic or cyclotherpenic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。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 Nadic acid?

The CAS number of Nadic acid is 3813-52-3.

What are the molecular formula and molecular weight of Nadic acid?

Nadic acid has molecular formula C9H10O4 and molecular weight 182.173 g/mol.

Is Nadic acid hazardous?

Nadic acid has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.

What are the upstream and downstream products of Nadic acid?

For Nadic acid, Upstream Products: Cyclopentadiene, Fumaric acid, Nadic anhydride.

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

Last updated:

How to cite: Jingsj. "Nadic acid (CAS 3813-52-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-31623-4 (accessed 2026-11-09).

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