disodium 6-hydroxy-5-[(3-sulphonatophenyl)azo]naphthalene-2-sulphonate
disodium 6-hydroxy-5-[(3-sulphonatophenyl)azo]naphthalene-2-sulphonate Basic information
- Product Name:
- disodium 6-hydroxy-5-[(3-sulphonatophenyl)azo]naphthalene-2-sulphonate
- Synonyms:
-
- disodium 6-hydroxy-5-[(3-sulphonatophenyl)azo]naphthalene-2-sulphonate
- CI 15980
- 2-Naphthalenesulfonic acid, 6-hydroxy-5-(3-sulfophenyl)azo-, disodium salt
- E 111
- ORANGEGGN
- CIFOODORANGE2
- FOODORANGE2
- 6-Hydroxy-5-(m-sodiooxysulfonylphenylazo)-2-naphthalenesulfonic acid sodium salt
- CAS:
- 2347-72-0
- MF:
- C16H10N2Na2O7S2
- MW:
- 452.36934
- EINECS:
- 219-073-7
- Mol File:
- 2347-72-0.mol
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disodium 6-hydroxy-5-[(3-sulphonatophenyl)azo]naphthalene-2-sulphonate Chemical Properties
- LogP
- -0.095 (est)
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disodium 6-hydroxy-5-[(3-sulphonatophenyl)azo]naphthalene-2-sulphonate Usage And Synthesis
Preparation
3-Aminobenzenesulfonic acid diazo, and 6-Hydroxynaphthalene-2-sulfonic acid coupling.
Properties and Applications
bright orange. Soluble in water for golden brown, slightly soluble in ethanol for light golden brown. The strong sulfuric acid in orange, orange for gold after diluted. The dye solution to join strong hydrochloric acid for golden brown; Add thick sodium hydroxide solution for red light orange brown.
disodium 6-hydroxy-5-[(3-sulphonatophenyl)azo]naphthalene-2-sulphonate Supplier
Shanghai BeiZhuo Biotech Co., Ltd.
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