Product Details:
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CAS NO.: | CAS NO.81-86-7,21563-29-1 | Product Names: | 4-Bromo-1,8-naphthalenedicarboxylic Anhydride |
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Color: | White To Light Yellow Powder To Crystaline | Purity: | 98% |
Molecular Formula: | C12H5BrO3 | Density: | 1.812g/cm3 |
Molecular Weight: | 277.07 | H-Bond Acceptor: | 3 |
Shelf Life: | 24months | Application: | Fine Chemical Intermediate; Dyestuff Intermediates |
Highlight: | 81-86-7 fluorescent powder,21563 29 1 Fluorescent Orange Intermediate,21563 29 1 fluorescent powder |
Fluorescent Orange Intermediate CAS NO.81-86-7 4-Bromo-1,8-Naphthalic Anhydride
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. Sample Inspection:
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