Molekula
4-Bromo-1,8-naphthalic anhydride
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
4-Bromo-1,8-naphthalic anhydride is a brominated aromatic compound primarily used as a precursor in organic synthesis, particularly for dyes, pigments, and pharmaceutical intermediates. It serves as a key building block in the production of high-performance polymers and specialty chemicals. This chemical has a CAS number of 81-86-7, with the molecular formula C12H5BrO3 and a molecular weight of 277.07 g/mol. It is stable under ambient storage conditions and carries a signal word of "Warning" for handling precautions. Molekula supplies 4-Bromo-1,8-naphthalic anhydride 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
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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Specifications
| Property | Value |
|---|---|
| Appearance | Light pink or white crystalline powder |
| Moisture | ≤0.5% |
| Assay HPLC | ≥98% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 89993080 |
| CAS Number | 81-86-7 |
| IUPAC Name | 8-bromo-3-oxatricyclo[7.3.1.05,13]trideca-1(12),5(13),6,8,10-pentaene-2,4-dione |
| EC Number | 201-382-3 |
| Molecular Formula | C12H5BrO3 |
| Molecular Weight | 277.07 |
| Exact Mass | 275.9422 |
| SMILES | C1=CC2=C(C=CC3=C2C(=C1)C(=O)OC3=O)Br |
| InChIKey | DTUOTSLAFJCQHN-UHFFFAOYSA-N |
| InChI | InChI=1S/C12H5BrO3/c13-9-5-4-8-10-6(9)2-1-3-7(10)11(14)16-12(8)15/h1-5H |
| PubChem CID | 66493 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29173970 |
| Tariff Code | 2917398590 |
Safety & GHS
-
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
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Russian, 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
- 1H,3H-Naphtho[1,8-cd]pyran-1,3-dione, 6-bromo-
- 4-Bromo-1,8-naphthalenedicarboxylic Anhydride
- 4-Bromo-1,8-Naphthaltc anhydride
- 4-bromonaphthalene-1,8-dicarboxylic anhydride
- 6-Bromo-1H,3H-benzo[de]isochromene-1,3-dione
- 6-bromo-1h,3h-naphtho[1,8-cd]pyran-1,3-dione
- 6-bromo-1H,3H-naphtho[l,8-cd]pyran-1,3-dione
- 6-bromo-2-oxa-1H,3H-phenalene-1,3-dione
- 6-Bromobenzo[de]isochromene-1,3-dione
- 8-bromo-3-oxatricyclo[7.3.1.05,13]trideca-1(12),5(13),6,8,10-pentaene-2,4-dione
Frequently asked questions
What is 4-Bromo-1,8-naphthalic anhydride commonly used for?
It is primarily used as a precursor in organic synthesis, particularly for dyes, pigments, and pharmaceutical intermediates.
What is the chemical formula and molecular weight of 4-Bromo-1,8-naphthalic anhydride?
The formula is **C₁₂H₅BrO₃**, and the molecular weight is **277.07 g/mol**.
How should 4-Bromo-1,8-naphthalic anhydride be stored?
Store at **ambient temperature** in a cool, dry place, away from incompatible substances.
What grades or purities of 4-Bromo-1,8-naphthalic anhydride does Molekula offer?
Molekula supplies it in **high-purity (98%+)** analytical and synthesis grades.
Can Molekula supply 4-Bromo-1,8-naphthalic anhydride in bulk quantities?
Yes, bulk quantities are available upon request—contact our sales team for custom packaging options.
What documentation is provided with an order of 4-Bromo-1,8-naphthalic anhydride?
Each order includes a **Certificate of Analysis (CoA)**, Safety Data Sheet (SDS), and batch-specific documentation.
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.