ChemicalBook > Product Catalog > Analytical Chemistry > Analysis reagents > Spectral Analysis > CHROMOTROPE 2B
CHROMOTROPE 2B
CHROMOTROPE 2B Basic information
- Product Name:
- CHROMOTROPE 2B
- Synonyms:
-
- 2,7-Naphthalenedisulfonicacid,4,5-dihydroxy-3-[(4-nitrophenyl)azo-]-,disodiumsalt
- 7-naphthalenedisulfonicacid,4,5-dihydroxy-3-[(4-nitrophenyl)azo]-disodium
- AcidRed176(16575)
- Chromotropicacid2B
- C.I.Acid Red 176
- C.I.Mordant Black 93
- Chromotrope Red 4B
- Sodium 2-(p-nitrophenylazo)chromotropate
- CAS:
- 548-80-1
- MF:
- C16H12N3NaO10S2
- MW:
- 493.39
- EINECS:
- 208-959-9
- Mol File:
- 548-80-1.mol
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CHROMOTROPE 2B Chemical Properties
- Melting point:
- 300 °C
- Colour Index
- 16575
- form
- Crystalline Powder
- color
- Dark green to dark purple
- Merck
- 14,2240
- BRN
- 4109733
- CAS DataBase Reference
- 548-80-1(CAS DataBase Reference)
- EPA Substance Registry System
- 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-[(4-nitrophenyl)azo]-, disodium salt (548-80-1)
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MSDS
- Language:English Provider:SigmaAldrich
- Language:English Provider:ACROS
- Language:English Provider:ALFA
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CHROMOTROPE 2B Usage And Synthesis
Chemical Properties
dark green to dark purple crystalline powder
Uses
Chromotrope 2B is a chromotropic acid azo dye and a groundwater pollutant removed from the environment via photoelectrochemical mineralization.
Uses
As a dye; as a reagent for boric acid or borates.
Preparation
4-Nitrobenzenamine diazo, and 4,5-Dihydroxynaphthalene-2,7-disulfonic acid?coupling.
Properties and Applications
blue-ray red. Soluble in water for yellow light red, not soluble in alcohol. The strong sulfuric acid for dark purple, diluted into yellow light red solution. In water solution to join hydrochloric acid solution to become yellow, add sodium hydroxide for blue-ray red.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 6-7 | 4 | 4 | 4-5 | ||||
CHROMOTROPE 2B Preparation Products And Raw materials
Raw materials
CHROMOTROPE 2BSupplier
J & K SCIENTIFIC LTD.
- Tel
- 010-82848833 400-666-7788
- jkinfo@jkchemical.com
Alfa Aesar
- Tel
- 400-6106006
- saleschina@alfa-asia.com
TCI (Shanghai) Development Co., Ltd.
- Tel
- 021-67121386
- Sales-CN@TCIchemicals.com
Energy Chemical
- Tel
- 021-021-58432009 400-005-6266
- sales8178@energy-chemical.com
Shanghai Hanhong Scientific Co.,Ltd.
- Tel
- 021-54306202 13764082696
- info@hanhongsci.com
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CHROMOTROPE 2B(548-80-1)Related Product Information
- CHROMOTROPE 2B
- 6-Amino-4-hydroxy-2-naphthalenesulfonic acid
- 6-Amino-2-naphthalenesulfonic acid
- 1,8-Dihydroxynaphthylene-3,6-disulfonic acid
- CHROMOTROPE 2R,Chromotrope2R,94%,Chromotrope 2R, pure,Chromotrope N-2R
- 3-Hydroxythiophenol
- 2,7-Naphthalenedisulfonic acid disodium salt
- 1-Naphthol
- 3-AMINO-5-HYDROXY-2,7-NAPHTHALENEDISULFONIC ACID MONOSODIUM SALT
- 2-Naphthylamine
- 8-Hydroxy-2-naphthylamine-3,6-disulfonic acid
- 4-NITROAZOBENZENE TECH. 90
- Disodium 3-aminonaphthalene-2,7-disulphonate
- 1-Naphthol-3,6-disulfonic acid disodium salt
- Naphthalene-2,7-disulfonic acid
- Naphthalene-2-sulfonic acid
- 1-Naphthol-3,6-disulfonic acid
- CHROMOTROPIC ACID SODIUM SALT