disodium 3-hydroxy-4-[(4-nitrophenyl)azo]naphthalene-2,7-disulphonate
beta-Naphthol Violet
CAS: 7143-21-7
Molecular Formula: C16H9N3Na2O9S2
disodium 3-hydroxy-4-[(4-nitrophenyl)azo]naphthalene-2,7-disulphonate - Names and Identifiers
| Name | beta-Naphthol Violet |
| Synonyms | á-naphthol violet BETA-NAPHTHOL VIOLET beta-Naphthol Violet LABOTEST-BB LT00455767 1-(4-NITROPHENYLAZO)-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT Disodium 3-Hydroxy-4-[(4-nitrophenyl)azo]-2,7-naphthalenedisulfonate disodium 3-hydroxy-4-[(4-nitrophenyl)azo]naphthalene-2,7-disulphonate 3-Hydroxy-4-[(4-nitrophenyl)azo]naphthalene-2,7-disulfonic acid disodium salt (4Z)-4-[(4-nitrophenyl)hydrazono]-3-oxo-3,4-dihydronaphthalene-2,7-disulfonic acid |
| CAS | 7143-21-7 |
| EINECS | 230-443-7 |
| InChI | InChI=1/C16H11N3O9S2/c20-16-14(30(26,27)28)8-9-7-12(29(23,24)25)5-6-13(9)15(16)18-17-10-1-3-11(4-2-10)19(21)22/h1-8,17H,(H,23,24,25)(H,26,27,28)/b18-15- |
disodium 3-hydroxy-4-[(4-nitrophenyl)azo]naphthalene-2,7-disulphonate - Physico-chemical Properties
| Molecular Formula | C16H9N3Na2O9S2 |
| Molar Mass | 497.37 |
| Density | 1.8g/cm3 |
| Water Solubility | Soluble in water. |
| Appearance | Solid |
| Color | Brownish red powder |
| Odor | Characteristic odour |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.749 |
| MDL | MFCD00021457 |
disodium 3-hydroxy-4-[(4-nitrophenyl)azo]naphthalene-2,7-disulphonate - Risk and Safety
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37 - Wear suitable gloves. |
disodium 3-hydroxy-4-[(4-nitrophenyl)azo]naphthalene-2,7-disulphonate - Introduction
beta-napthol Violet is an organic synthetic dye with the chemical formula C20H14N2O, which is a dark purple crystalline powder. The following is a description of some of the properties, uses, methods, and safety information about beta-napthol Violet:
Nature:
- beta-napthol Violet is an organic solvent-soluble solid that is soluble in acids, alcohols, and ketones. It has low solubility in water.
The molecule of-beta-napthol Violet has a conjugated system, which makes it have the ability to strongly absorb ultraviolet and visible light, so it presents a strong dark purple.
Use:
- beta-napthol Violet is a commonly used dye that is widely used in the textile, printing and dyeing, leather and paper industries to dye fibers, fabrics, leather and paper.
- beta-napthol Violet can also be used as a biological dye for staining cells and nucleic acids in cell biology and molecular biology.
-It can also be used for the preparation of certain indicators and chemical analysis reagents.
Preparation Method:
The preparation of-beta-napthol Violet is usually obtained by the reaction of naphthalene and hydroquinone under appropriate conditions.
-In the reaction, naphthalene and hydroquinone react under acidic conditions to form intermediates, and form beta-napthol Violet through further oxidation, polymerization and other steps. The preparation process needs to control the reaction conditions, reaction temperature and reaction time and other parameters.
Safety Information:
- beta-napthol Violet is an organic synthetic dye, which has certain toxicity and should be used with care.
-Take appropriate safety precautions when using or preparing beta-napthol Violet, including wearing protective gloves, glasses and clothing, and avoiding inhalation or contact with skin.
-When treating the waste liquid of beta-napthol Violet, the correct waste liquid treatment method should be followed to prevent pollution to the environment.
Please note that the information provided above is for informational purposes only. When using or preparing beta-napthol Violet, you should follow the relevant specifications and safe operation guidelines, and consult professionals in time.
Nature:
- beta-napthol Violet is an organic solvent-soluble solid that is soluble in acids, alcohols, and ketones. It has low solubility in water.
The molecule of-beta-napthol Violet has a conjugated system, which makes it have the ability to strongly absorb ultraviolet and visible light, so it presents a strong dark purple.
Use:
- beta-napthol Violet is a commonly used dye that is widely used in the textile, printing and dyeing, leather and paper industries to dye fibers, fabrics, leather and paper.
- beta-napthol Violet can also be used as a biological dye for staining cells and nucleic acids in cell biology and molecular biology.
-It can also be used for the preparation of certain indicators and chemical analysis reagents.
Preparation Method:
The preparation of-beta-napthol Violet is usually obtained by the reaction of naphthalene and hydroquinone under appropriate conditions.
-In the reaction, naphthalene and hydroquinone react under acidic conditions to form intermediates, and form beta-napthol Violet through further oxidation, polymerization and other steps. The preparation process needs to control the reaction conditions, reaction temperature and reaction time and other parameters.
Safety Information:
- beta-napthol Violet is an organic synthetic dye, which has certain toxicity and should be used with care.
-Take appropriate safety precautions when using or preparing beta-napthol Violet, including wearing protective gloves, glasses and clothing, and avoiding inhalation or contact with skin.
-When treating the waste liquid of beta-napthol Violet, the correct waste liquid treatment method should be followed to prevent pollution to the environment.
Please note that the information provided above is for informational purposes only. When using or preparing beta-napthol Violet, you should follow the relevant specifications and safe operation guidelines, and consult professionals in time.
Last Update：2024-04-10 22:29:15
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View History
disodium 3-hydroxy-4-[(4-nitrophenyl)azo]naphthalene-2,7-disulphonate
CHEMBRDG-BB 4022585
2056919-15-2
5'-AMINO-4''-BROMO-3-NITRO-[1,1':3',1'']TERPHENYL-4',6'-DICARBONITRILE
4-OXO-4H-CHROMENE-3-CARBALDEHYDE OXIME
1-(3,4-DICHLOROPHENYL)CYCLOHEXANECARBONITRILE
N-(3-CHLOROPHENYL)-6-{[4-(2-FUROYL)PIPERAZIN-1-YL]METHYL}-1,3,5-TRIAZINE-2,4-DIAMINE
ASISCHEM D50952
127910-31-0
N-(AMINOCARBONYL)-2-(2-NITROPHENOXY)ACETAMIDE
CHEMBRDG-BB 4022585
2056919-15-2
5'-AMINO-4''-BROMO-3-NITRO-[1,1':3',1'']TERPHENYL-4',6'-DICARBONITRILE
4-OXO-4H-CHROMENE-3-CARBALDEHYDE OXIME
1-(3,4-DICHLOROPHENYL)CYCLOHEXANECARBONITRILE
N-(3-CHLOROPHENYL)-6-{[4-(2-FUROYL)PIPERAZIN-1-YL]METHYL}-1,3,5-TRIAZINE-2,4-DIAMINE
ASISCHEM D50952
127910-31-0
N-(AMINOCARBONYL)-2-(2-NITROPHENOXY)ACETAMIDE