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Product Details:
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| CAS NO.: | CAS NO.81-86-7，21563-29-1 | Product Name: | 4-Bromo-1,8-naphthalenedicarboxylic Anhydride |
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| Color: | Off-white To Beige And Faint Brown To Light Brown Powder | Purity: | 98% |
| Chlorine Concentration: | 26.40% | Molecular Formula: | C12H5BrO3 |
| Molecular Weight: | 277.07 | Density: | 1.812g/cm3 |
| Shelf Life: | 24months | Use: | Yellow, Orange Dyes And Fluorescent Polymers |
| High Light: | 81-86-7 Solvent Orange Dyes,Solvent 21563-29-1,4Br Solvent Orange Dyes |
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Fluorescent Orange Dyes Intermediates CAS NO.81-86-7,21563-29-1
1. Product Description:
4-Bromo-1,8-Naphthalic Anhydride is a kind of new intermediate. In the industry of dyestuff, raw materials with high quality play an important role in the whole production procedure. As the raw material, 4-Bromo-1,8-Naphthalic Anhydride is a good intermediate of solvent dyes. It is mainly used for the preparation of fluorescent yellow, fluorescent orange and other dyes.
4-Bromo-1,8-Naphthalic Anhydride is also used as an important intermediate of fluorescent brightener especially for fluorescent polymers. Fine Chemical Intermediate and Dyestuff Intermediates are its main application ranges.
2.Specification:
| Product Name | 4-Bromo-1,8-Naphthalic Anhydride |
| CAS Number | CAS NO.81-86-7,21563-29-1 |
| Appearance&Physical State | Off-white to beige and faint brown to light brown powder |
| Purity | 98% |
| Soluble | higher solubility in acetone, lowest solubility in the methanol and ethanol |
| Melting Point | 217-219ºC |
| Density | 1.812 g/cm3 |
| Molecular Weight | 277.07 |
| Storage Condition | well-closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. |
| Use | Fine Chemical Intermediate; Dyestuff Intermediates;Mainly used for the preparation of fluorescent yellow, fluorescent orange and other dyes. |
3. Structural Formula:
4. Catalogue:
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