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VAQORAAcid Halides & AnhydridesAvailable on request
1,8-Naphthalic anhydride, 98%
Synonyms: Naphtho[1,8,8a-c,d]pyran-1,3-dione · 1,8-Naphthalic anhydride · Naphthalic anhydride · Naphthalic acid anhydride
CAS No.81-84-5
FormulaC12H6O3
Mol. weight198.17
Catalogue No.VQ-009078
Purity98%
HSN29332990
1,8-Naphthalic anhydride (CAS 81-84-5) – acylating agent, 98%. C12H6O3, MW 198.17. Order from Vaqora Chemicals with COA and global delivery.
Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing
About 1,8-Naphthalic anhydride, 98%
Vaqora Chemicals supplies 1,8-Naphthalic anhydride, an acylating agent registered under CAS number 81-84-5 with a typical assay of 98%. Its molecular formula is C12H6O3 and its molecular weight is 198.17 g/mol. Systematically, it is named 3-oxatricyclo[7.3.1.05,13]trideca-1(12),5,7,9(13),10-pentaene-2,4-dione. Alternative names: Naphtho[1,8,8a-c,d]pyran-1,3-dione and Naphthalic anhydride.
In its supplied form it is white to orange to green powder or chunks. Reported physical data include a melting point of 267-269 °C. Store sealed in a dry, well-ventilated location away from incompatible materials. It carries the GHS signal word “Warning” with 4 hazard statements. Review the Safety Data Sheet before use.
It is commonly used for organic synthesis and API synthesis. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.
We offer 1,8-Naphthalic anhydride in 100 g and 500 g packs with a batch-specific COA, and ship to customers worldwide.
Specifications & identifiers
| Product name | 1,8-Naphthalic anhydride, 98% |
|---|---|
| Catalogue No. | VQ-009078 |
| CAS Number | 81-84-5 |
| IUPAC name | 3-oxatricyclo[7.3.1.05,13]trideca-1(12),5,7,9(13),10-pentaene-2,4-dione |
| Molecular formula | C12H6O3 |
| Molecular weight | 198.17 g/mol |
| Exact mass | 198.0317 |
| Purity / assay | 98% |
| HSN code | 29332990 |
| InChIKey | GRSMWKLPSNHDHA-UHFFFAOYSA-N |
| SMILES | C1=CC2=C3C(=C1)C(=O)OC(=O)C3=CC=C2 |
| PubChem CID | 6693 |
| Physical form | Powder |
|---|---|
| Appearance | White to orange to green powder or chunks |
| Melting point | 267-269 °C |
| LogP (XLogP3) | 2.3 |
| H-bond donors / acceptors | 0 / 3 |
| TPSA | 43.4 Ų |
| Synonyms | Naphtho[1,8,8a-c,d]pyran-1,3-dione, 1,8-Naphthalic anhydride, Naphthalic anhydride, Naphthalic acid anhydride, 1,8-Naphthalic acid anhydride, Protect (agrochemical), 1H,3H-Naphtho[1,8-cd]pyran-1,3-dione, 1,8-Naphthalenedicarboxylic acid anhydride, 1H,3H-Naphtho(1,8-cd)pyran-1,3-dione, Benzo[de]isochromene-1,3-dione, 1,8-Naphthalenedicarboxylic anhydride, Naphthalene-1,8-dicarboxylic anhydride |
Safety & hazard information (GHS)
Signal word: Warning
Hazard statements
H315Causes skin irritationH317May cause an allergic skin reactionH319Causes serious eye irritationH335May cause respiratory irritation
Precautionary statements: P261, P264, P264 + P265, P271, P272, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P333 + P317, P337 + P317, P362 + P364, P403 + P233, 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 1,8-Naphthalic anhydride, 98%?
The CAS Registry Number of 1,8-Naphthalic anhydride, 98% is 81-84-5. It is also known as Naphtho[1,8,8a-c,d]pyran-1,3-dione, 1,8-Naphthalic anhydride, Naphthalic anhydride.
What is the molecular formula and molecular weight of 1,8-Naphthalic anhydride, 98%?
1,8-Naphthalic anhydride, 98% has the molecular formula C12H6O3 and a molecular weight of 198.17 g/mol. Its IUPAC name is 3-oxatricyclo[7.3.1.05,13]trideca-1(12),5,7,9(13),10-pentaene-2,4-dione.
Which grade and pack sizes of 1,8-Naphthalic anhydride, 98% can I order?
We supply 1,8-Naphthalic anhydride, 98% in (98%) grade, in 100 g, 500 g packs. Larger bulk quantities and custom packing are quoted on request.
Do you provide a COA and SDS with 1,8-Naphthalic anhydride, 98%?
Yes. Every lot of 1,8-Naphthalic anhydride, 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 1,8-Naphthalic anhydride, 98% be shipped internationally?
Yes. 1,8-Naphthalic anhydride, 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.
Enquire about 1,8-Naphthalic anhydride, 98%
We reply within one business day with price, pack options, lead time and documentation.
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