Naphthol green B
Structural formula | ||||||||||||||||
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General | ||||||||||||||||
Surname | Naphthol green B | |||||||||||||||
other names |
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Molecular formula | C 30 H 15 FeN 3 Na 3 O 15 S 3 | |||||||||||||||
Brief description |
dark green powder |
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properties | ||||||||||||||||
Molar mass | 878.46 g mol −1 | |||||||||||||||
Physical state |
firmly |
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density |
620 kg m −3 ( bulk density ) |
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solubility |
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safety instructions | ||||||||||||||||
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As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . |
Naphthol green B is an extremely lightfast green dye from the class of acid dyes and belongs to the nitroso compounds , the absorption maximum is 714 nm (water). It is the simply sulfonated derivative of Naphthol Green Y ( CI 10005), with three molecules forming a complex with Fe 3+ . The pH value (10 g / l H 2 O, 20 ° C) is 9.3.
use
Industrially, naphthol green B is used to dye wool , nylon , paper , anodized aluminum and soap .
It was also used for multiple staining of animal cells.
literature
- Richard W. Horobin, John A. Kiernan: Conn's Biological Stains: A Handbook of Dyes, Stains and Fluorochromes for Use in Biology and Medicine. 10th edition. BIOS Scientific Publ., Oxford 2002, ISBN 1-85996-099-5 , pp. 101-102.
Individual evidence
- ↑ a b c d e data sheet Naphthol Green B, Technical grade at Sigma-Aldrich , accessed on October 25, 2014 ( PDF ).
- ↑ Data sheet naphthol green B (PDF) from Carl Roth , accessed on October 26, 2014.
- ↑ Naphthol Green B ( Memento of the original from October 25, 2014 in the Internet Archive ) Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. . Santa Cruz Biotech.