Trimesic acid
Also known as: 1,3,5-Benzenetricarboxylic acid, Trimesinic acid, Trimesitinic acid, 1,3,5-Tricarboxybenzene, benzene-1,3,5-tricarboxylic acid, 5-Carboxyisophthalic acid
Trimesic acid (CAS 554-95-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H6O6 and a molecular weight of 210.14 g/mol. Key properties include a melting point of >300 °C(lit.), a boiling point of 561.4±45.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 307.4±25.2 °C. 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. It is listed by 1 supplier, from 1.52 to 3.28 CNY. Record last updated Nov 3, 2026.
- CAS No.
- 554-95-0
- Jingsj CID
- J-1976203-8
- Molecular Formula
- C9H6O6
- Molecular Weight
- 210.14 g/mol
- Category
- Organic Acids
- Last updated
- 11/3/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | 99% 500g | ¥760.00 | $0.23 /gBest ¥1.52/g CNY | CN China MOQ 500g | |
In Stock | 98% 100g | ¥195.00 | $0.29 /g ¥1.95/g CNY | CN China MOQ 100g | |
In Stock | 98% 25g | ¥82.00 | $0.49 /g ¥3.28/g CNY | CN China MOQ 25g |
Physicochemical Properties
| Melting Point | >300 °C(lit.) |
|---|---|
| Boiling Point | 561.4±45.0 °C at 760 mmHg |
| Density | 1.7±0.1 g/cm3 |
| Flash Point | 307.4±25.2 °C |
| Exact Mass | 210.016434 |
| PSA | 111.90000 |
| LogP | 1.51 |
| Vapor Pressure | 0.0±1.6 mmHg at 25°C |
| Refractive Index | 1.663 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2917399090 |
|---|---|
| Summary | 2917399090 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 Trimesic acid?
The CAS number of Trimesic acid is 554-95-0.
What are the molecular formula and molecular weight of Trimesic acid?
Trimesic acid has molecular formula C9H6O6 and molecular weight 210.14 g/mol.
Which suppliers offer Trimesic acid?
1 supplier(s) listed; reference unit price ¥1.52–3.28 /g.
Is Trimesic acid hazardous?
Trimesic 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 Trimesic acid?
For Trimesic acid, Upstream Products: 1,3,5-Trichlorobenzene, Mesitylene, 5-Amino-3-methylisoxazole; Downstream Products: Dimethyl 5-(hydroxymethyl)isophthalate, 1,3,5-Benzenetricarbonyl trichloride, Triethyl 1,3,5-benzenetricarboxylate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Trimesic acid (CAS 554-95-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1976203-8 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.