ChemicalBook > Product Catalog > Organic Chemistry > Hydrocarbons and derivatives > calcium disodium bis[2-chloro-5-[(2-hydroxy-1-naphthyl)azo]-4-sulphonatobenzoate]
calcium disodium bis[2-chloro-5-[(2-hydroxy-1-naphthyl)azo]-4-sulphonatobenzoate]
calcium disodium bis[2-chloro-5-[(2-hydroxy-1-naphthyl)azo]-4-sulphonatobenzoate] Basic information
- Product Name:
- calcium disodium bis[2-chloro-5-[(2-hydroxy-1-naphthyl)azo]-4-sulphonatobenzoate]
- Synonyms:
-
- calcium disodium bis[2-chloro-5-[(2-hydroxy-1-naphthyl)azo]-4-sulphonatobenzoate]
- CI 15525
- PIGMENT RED 68
- Benzoic acid, 2-chloro-5-(2-hydroxy-1-naphthalenyl)azo-4-sulfo-, calcium sodium salt (2:1:2)
- C.I. PIGMENT RED 68)
- Pigment red 68 calcium-sodium salt (C.I. 15525)
- Bis[2-chloro-5-[(2-hydroxy-1-naphthalenyl)azo]-4-(sodiosulfo)benzoic acid]calcium salt
- 2-Chloro-5-((2-hydroxy-1-naphthalenyl)azo)-4-sulfobenzoic acid, calcium sodium salt (2:1:2)
- CAS:
- 5850-80-6
- MF:
- C34H18CaCl2N4Na2O12S2
- MW:
- 895.61986
- EINECS:
- 227-456-5
- Product Categories:
-
- Organics
- Mol File:
- 5850-80-6.mol
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calcium disodium bis[2-chloro-5-[(2-hydroxy-1-naphthyl)azo]-4-sulphonatobenzoate] Chemical Properties
- LogP
- 4.180 (est)
- EPA Substance Registry System
- Benzoic acid, 2-chloro-5-[(2-hydroxy-1-naphthalenyl)azo]-4-sulfo-, calcium sodium salt (2:1:2) (5850-80-6)
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calcium disodium bis[2-chloro-5-[(2-hydroxy-1-naphthyl)azo]-4-sulphonatobenzoate] Usage And Synthesis
Chemical Properties
Bright yellow light red. Excellent resistance to solvents such as ethanol, xylene and nitrocellulose. Thermal stability is 140°C. Acid and alkali resistance is poor, and there is migration phenomenon.
Uses
Calcium disodium bis[2-chloro-5-[(2-hydroxy-1-naphthyl)azo]-4-sulphonatobenzoate] is mainly used for printing ink, can also be used for the coloring of plastics.
Synthesis
Calcium disodium bis[2-chloro-5-[(2-hydroxy-1-naphthyl)azo]-4-sulphonatobenzoate] is prepared by diazotization of 2-chloro-5-amino-4-sulfobenzoic acid, coupling with β-naphthol, and precipitation of calcium salts.