Acid chrome blue K
Acid chrome blue K Basic information
- Product Name:
- Acid chrome blue K
- Synonyms:
-
- 4,5-Dihydroxy-3-[(2-hydroxy-5-sulfophenyl)azo]-2,7-naphthalenedisulfonic acid trisodium salt
- C.I.Mordant Blue 31
- Chrome Blue K
- Acid Chrome Blue K
- 2,7-Naphthalenedisulfonicacid, 4,5-dihydroxy-3-[2-(2-hydroxy-5-sulfophenyl)diazenyl]-, sodium salt (1:3)
- C.I.16675
- Chrome fast navy blue R
- Acid chrome blue K ISO 9001：2015 REACH
- CAS:
- 3270-25-5
- MF:
- C16H13N2NaO12S3
- MW:
- 544.45
- EINECS:
- 999-999-2
- Mol File:
- 3270-25-5.mol
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Acid chrome blue K Chemical Properties
- CAS DataBase Reference
- 3270-25-5(CAS DataBase Reference)
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Acid chrome blue K Usage And Synthesis
Preparation
3-Amino-4-hydroxybenzenesulfonic acid diazotization, and 4,5-Dihydroxynaphthalene-2,7-disulfonic acid coupling.
Properties and Applications
red light navy blue. Soluble in water and ethanol. In concentrated sulfuric acid to purple, dilution after blue light pink; In concentrated nitric acid for dark orange to yellow brown. Dye aqueous solution and sodium hydroxide as yellow solution.
| Standard | Ironing Fastness | Light Fastness | Fulling | Persperation Fastness | Soaping | Water | |
| Alkali | Acid | ||||||
| ISO | 4-5 | 5 | 5 | 2-3 | 4-5 | 5 | 5 |
Acid chrome blue KSupplier
Shanghai Hanhong Scientific Co.,Ltd.
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- 021-54306202 13764082696;
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Tangshan Moneide Trading Co., Ltd.
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- 0315-8309571 15633399667
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Sinopharm Chemical Reagent Co,Ltd.
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- 86-21-63210123
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Hangzhou Yuhao Chemical Technology Co., Ltd
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- 0571-82693216
- info@yuhaochemical.com
ShangHai YuanYe Biotechnology Co., Ltd.
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- 021-61312847 13636370518
- shyysw007@163.com