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Product Details:
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| Product Names: | 4-Bromo-1,8-naphthalic Anhydride | CAS NO.: | CAS NO.81-86-7，21563-29-1 |
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| Color: | White To Light Yellow Powder To Crystaline | Purity: | 98% |
| Density: | 1.812g/cm3 | Molecular Weight: | 277.07 |
| Molecular Formula: | C12H5BrO3 | H-Bond Acceptor: | 3 |
| Shelf Life: | 24months | Application: | Fine Chemical Intermediate; Dyestuff Intermediates |
| High Light: | 277.07 Orange Fluorescent Dyes,ISO9001 fluorescence dye,ISO9001 Orange Fluorescent Dyes |
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Fluorescent Orange Dyes Intermediates 4-Bromo-1,8-Naphthalic Anhydride CAS NO.81-86-7
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.
On the other hand, 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 |
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CAS Number |
81-86-7,21563-29-1 |
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Appearance&Physical State |
Off-white to beige and faint brown to light brown powder |
| Purity | 98% |
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Soluble |
higher solubility in acetone, lowest solubility in the methanol and ethanol |
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Melting Point |
217-219ºC |
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Density |
1.812 g/cm3 |
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Molecular Weight |
277.07 |
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Storage Condition |
well-closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. |
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Use |
Fine Chemical Intermediate; Dyestuff Intermediates;Mainly used for the preparation of fluorescent yellow, fluorescent orange and other dyes. |
3. Structural Formula:
4. Sample Inspection:
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