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VAQORAAcid Halides & AnhydridesAvailable on request
Trimellitic anhydride chloride, 98%
Synonyms: Benzene-1,2,4-tricarboxylic 1,2-anhydride 4-chloride · 4-(Chloroformyl)phthalic anhydride · Anhydrotrimellitic acid chloride · 5-Isobenzofurancarbonyl chloride, 1,3-dihydro-1,3-dioxo-
CAS No.1204-28-0
FormulaC9H3ClO4
Mol. weight210.57
Catalogue No.VQ-009171
Purity98%
HSN29171990
Trimellitic anhydride chloride (CAS 1204-28-0) – acylating agent, 98%. C9H3ClO4, MW 210.57. Buy from Vaqora Chemicals with COA and worldwide shipping.
Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing
About Trimellitic anhydride chloride, 98%
Vaqora Chemicals supplies Trimellitic anhydride chloride, an acylating agent registered under CAS number 1204-28-0, specified at 98% purity. With the molecular formula C9H3ClO4, it has a molar mass of 210.57 g/mol. Systematically, it is named 1,3-dioxo-2-benzofuran-5-carbonyl chloride. Alternative names: 4-(Chloroformyl)phthalic anhydride and Anhydrotrimellitic acid chloride.
It is supplied as white to off-white powder or solid or crystals. Literature values give a melting point of 66-68 °C. Keep the material at 2–8 °C and protect it from moisture. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.
Key uses span optics and photonics and organic synthesis. It is used across pharmaceutical manufacturing, academic and industrial research and electronics and semiconductors.
Vaqora Chemicals supplies Trimellitic anhydride chloride in 100 g, 500 g and 25 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.
Typical applications
- Optics & photonics
- Organic synthesis
Industries
Specifications & identifiers
| Product name | Trimellitic anhydride chloride, 98% |
|---|---|
| Catalogue No. | VQ-009171 |
| CAS Number | 1204-28-0 |
| IUPAC name | 1,3-dioxo-2-benzofuran-5-carbonyl chloride |
| Molecular formula | C9H3ClO4 |
| Molecular weight | 210.57 g/mol |
| Exact mass | 209.972 |
| Purity / assay | 98% |
| HSN code | 29171990 |
| InChIKey | NJMOHBDCGXJLNJ-UHFFFAOYSA-N |
| SMILES | C1=CC2=C(C=C1C(=O)Cl)C(=O)OC2=O |
| PubChem CID | 70998 |
| Physical form | Crystalline |
|---|---|
| Appearance | White to off-white powder or solid or crystals |
| Melting point | 66-68 °C |
| LogP (XLogP3) | 1.8 |
| H-bond donors / acceptors | 0 / 4 |
| TPSA | 60.4 Ų |
| Storage | 2–8 °C |
| Synonyms | Benzene-1,2,4-tricarboxylic 1,2-anhydride 4-chloride, 4-(Chloroformyl)phthalic anhydride, Anhydrotrimellitic acid chloride, 5-Isobenzofurancarbonyl chloride, 1,3-dihydro-1,3-dioxo-, Trimellitic acid anhydride chloride, Trimellitic anhydride acid chloride, 4-(Chlorocarbonyl)phthalic anhydride, 1,3-Dioxo-1,3-dihydro-2-benzofuran-5-carbonyl chloride, Phthalic anhydride, 4-(chloroformyl)-, Trimellitic anhydride monochloride, 1,3-Benzofurandione-5-carbonyl chloride, Trimellitic anhydride monoacid chloride |
Safety & hazard information (GHS)
Signal word: Danger
Hazard statements
H314Causes severe skin burns and eye damageH318Causes serious eye damage
Precautionary statements: P260, P264, P264 + P265, P280, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P317, P321, P363, P405, P501
Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.
Documents
Frequently asked questions
What is the CAS number of Trimellitic anhydride chloride, 98%?
The CAS Registry Number of Trimellitic anhydride chloride, 98% is 1204-28-0. It is also known as Benzene-1,2,4-tricarboxylic 1,2-anhydride 4-chloride, 4-(Chloroformyl)phthalic anhydride, Anhydrotrimellitic acid chloride.
What is the molecular formula and molecular weight of Trimellitic anhydride chloride, 98%?
Trimellitic anhydride chloride, 98% has the molecular formula C9H3ClO4 and a molecular weight of 210.57 g/mol. Its IUPAC name is 1,3-dioxo-2-benzofuran-5-carbonyl chloride.
Which grade and pack sizes of Trimellitic anhydride chloride, 98% can I order?
We supply Trimellitic anhydride chloride, 98% in (98%) grade, in 100 g, 500 g, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.
Do you provide a COA and SDS with Trimellitic anhydride chloride, 98%?
Yes. Every lot of Trimellitic anhydride chloride, 98% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.
Can Trimellitic anhydride chloride, 98% be shipped internationally?
Yes. Trimellitic anhydride chloride, 98% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.
How should Trimellitic anhydride chloride, 98% be stored?
2–8 °C. Keep the container tightly closed and refer to the SDS for full handling guidance.
Enquire about Trimellitic anhydride chloride, 98%
We reply within one business day with price, pack options, lead time and documentation.
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