Molekula
1,3,5-Benzenetricarboxylic acid
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
1,3,5-Benzenetricarboxylic acid (trimesic acid) is an aromatic tricarboxylic acid used in polymer synthesis, pharmaceutical intermediates, and as a chelating agent in industrial applications. It appears as a white crystalline solid with high thermal stability. CAS 554-95-0, molecular formula C6H3(CO2H)3, molecular weight 210.14 g/mol. Store at ambient temperature. Signal word: Warning. Molekula supplies 1,3,5-Benzenetricarboxylic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
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100 g — £68.40 per pack ex VAT · £82.08 inc. VAT
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Specifications
| Property | Value |
|---|---|
| Appearance | Off white/ beige crystalline powder |
| Loss on Drying | ≤ 0.5% |
| Assay | ≥ 99% |
| Acid Value (mg KOH/g) | 780 - 800 |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 250 °C |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Vapour Pressure | 0.00000003 mmHg |
Source: PubChem CID 11138 (Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 51985383 |
| CAS Number | 554-95-0 |
| IUPAC Name | benzene-1,3,5-tricarboxylic acid |
| EC Number | 209-077-7 |
| Molecular Formula | C6H3(CO2H)3 |
| Molecular Weight | 210.14 |
| Exact Mass | 210.0164 |
| SMILES | C1=C(C=C(C=C1C(=O)O)C(=O)O)C(=O)O |
| InChIKey | QMKYBPDZANOJGF-UHFFFAOYSA-N |
| InChI | InChI=1S/C9H6O6/c10-7(11)4-1-5(8(12)13)3-6(2-4)9(14)15/h1-3H,(H,10,11)(H,12,13)(H,14,15) |
| PubChem CID | 11138 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29173930 |
| Tariff Code | 2917398590 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 1,3,5-Tricarboxybenzene
- 1,5-Tricarboxybenzene
- 5-Carboxyisophthalic acid
- benzene-1,3,5-carboxylic acid
- benzene-1,3,5-tricarboxylic acid
- H3BTCt
- Trimesic acid
- TrimesicAcid; BTC
- Trimesinic acid
- Trimesitinic acid
Frequently asked questions
What is 1,3,5-Benzenetricarboxylic acid (trimesic acid) commonly used for?
It is primarily used as a monomer in the synthesis of polyesters, polyamides, and other polymers, as well as in the production of chelating agents and pharmaceutical intermediates.
What is the chemical formula and molecular weight of 1,3,5-Benzenetricarboxylic acid?
The chemical formula is **C₆H₃(CO₂H)₃**, and the molecular weight is **210.14 g/mol**.
How should 1,3,5-Benzenetricarboxylic acid be stored?
Store in a tightly sealed container at **ambient temperature**, away from moisture and direct sunlight.
What purity grades of 1,3,5-Benzenetricarboxylic acid does Molekula supply?
Molekula supplies **technical grade** and **reagent grade** (99%+ purity) for research and industrial applications.
Can Molekula supply 1,3,5-Benzenetricarboxylic acid in bulk quantities?
Yes, we offer bulk quantities (minimum order quantities vary by grade; contact us for specific details).
What documentation comes with an order of 1,3,5-Benzenetricarboxylic acid?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and a **product specification sheet**.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.