Skip to main content

Mellitic acid

Also known as: Benzenehexacarboxylic acid, Benzene-1,2,3,4,5,6-hexacarboxylic acid, Hexacarboxybenzene, Mellic acid

Mellitic acid (CAS 517-60-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H6O12 and a molecular weight of 342.16900 g/mol. Key properties include a melting point of >300ºC(lit.), a boiling point of 674.8ºC at 760mmHg, a density of 2.078g/cm3 and a flash point of 375.9ºC. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.
517-60-2
Jingsj CID
J-45206-2
Molecular Formula
C12H6O12
Molecular Weight
342.16900 g/mol
Category
Organic Acids
Last updated
11/3/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point>300ºC(lit.)
Boiling Point674.8ºC at 760mmHg
Density2.078g/cm3
Flash Point375.9ºC
Exact Mass341.98600
PSA223.80000
Refractive Index1.761

GHS Safety & Compliance

IrritantSignal word: Warning
  • 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 Mellitic acid?

The CAS number of Mellitic acid is 517-60-2.

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

Mellitic acid has molecular formula C12H6O12 and molecular weight 342.16900 g/mol.

Is Mellitic acid hazardous?

Mellitic acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of Mellitic acid?

For Mellitic acid, Upstream Products: Triphenylene, HEXAMETHYLBENZENE, Tetrachlorophthalic Acid Hemihydrate; Downstream Products: Trimesic acid, Carbon dioxide, HEXAMETHYLBENZENE.

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

Last updated:

How to cite: Jingsj. "Mellitic acid (CAS 517-60-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45206-2 (accessed 2026-11-09).

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