2-[2,4-DINITROPHENYLAZO]NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT
Nitrazine Yellow
CAS: 5423-07-4
Molecular Formula: C16H11N4NaO11S2
2-[2,4-DINITROPHENYLAZO]NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT - Names and Identifiers
| Name | Nitrazine Yellow |
| Synonyms | CI 14890 CI NO 14890 NITRAZOL YELLOW Nitrazine Yellow NITRAZINE YELLOW 2-[2,4-DINITROPHENYLAZO]NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT 2-(2,4-DINITROPHENYLAZO)-1-NAPHTHOL-3,6-DISULFONIC ACID, DISODIUM SALT 2-(2,4-DINITROPHENYLAZO)-1-HYDROXYNAPHTHALENE-3,6-DISULFONIC ACID DISODIUM SALT 3-(2,4-DINITROPHENYLAZO)-4-HYDROXY-2,7-NAPHTHALENEDISULFONIC ACID, DISODIUM SALT |
| CAS | 5423-07-4 |
| EINECS | 226-549-8 |
| InChI | InChI=1/C16H10N4O11S2/c21-16-11-3-2-10(32(26,27)28)5-8(11)6-14(33(29,30)31)15(16)18-17-12-4-1-9(19(22)23)7-13(12)20(24)25/h1-7,17H,(H,26,27,28)(H,29,30,31)/b18-15- |
2-[2,4-DINITROPHENYLAZO]NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT - Physico-chemical Properties
| Molecular Formula | C16H11N4NaO11S2 |
| Molar Mass | 522.39 |
| Density | 1.94g/cm3 |
| Melting Point | >250°C |
| Water Solubility | Dissolve in water at 1mg/ml |
| Solubility | Soluble in water |
| Appearance | Powder |
| Color | Brown to yellow to orange |
| Maximum wavelength(λmax) | 586nm |
| Storage Condition | 2-8°C |
| Sensitive | Easily absorbing moisture |
| Refractive Index | 1.783 |
| MDL | MFCD00003938 |
| Physical and Chemical Properties | Brown powder, soluble in water, dilute acid and dilute alkali. The maximum absorption wavelength is 586nm. |
| Use | A pH indicator with a variety of applications |
2-[2,4-DINITROPHENYLAZO]NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT - Risk and Safety
| Hazard Symbols | F - Flammable |
| Risk Codes | 5 - Heating may cause an explosion |
| Safety Description | S15 - Keep away from heat. S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 29270000 |
2-[2,4-DINITROPHENYLAZO]NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT - Introduction
Nitrazine Yellow is a pH indicator with a variety of applications.
Last Update：2022-10-16 17:26:06
2-[2,4-DINITROPHENYLAZO]NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT - Reference Information
| physicochemical properties | brown powder, soluble in water, dilute acid and dilute alkali. The maximum absorption wavelength was 586nm. |
| Use | acid-base indicator, pH6.0 (yellow) -7.0 (blue). |
| Color index | 14890 |
| EPA chemical substance information | information is provided by: ofmpeb.epa.gov (external link) |
Last Update：2024-04-09 21:04:16
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View History
2-[2,4-DINITROPHENYLAZO]NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT
FMOC-ORN[TRT(4-CH3)]-OH
Silane, (4-chlorophenyl)triethoxy-
2-Propenoic acid, ethyl ester, polymer with N-(hydroxymethyl)-2-propenamide and 2-propenenitrile
N6-[(PHENYLMETHOXY)CARBONYL]-R-LYSINE
SDI
3-Fluoro-p-cresol
3X FLAG peptide,Met-Asp-Tyr-Lys-Asp-His-Asp-Gly-Asp-Tyr-Lys-Asp-His-Asp-Ile-Asp-Tyr-Lys-Asp-Asp-Asp-Asp-Lys,MDYKDHDGDYKDHDIDYKDDDDK
Pazopanib Impurity 105
Dimethylethanolamine
FMOC-ORN[TRT(4-CH3)]-OH
Silane, (4-chlorophenyl)triethoxy-
2-Propenoic acid, ethyl ester, polymer with N-(hydroxymethyl)-2-propenamide and 2-propenenitrile
N6-[(PHENYLMETHOXY)CARBONYL]-R-LYSINE
SDI
3-Fluoro-p-cresol
3X FLAG peptide,Met-Asp-Tyr-Lys-Asp-His-Asp-Gly-Asp-Tyr-Lys-Asp-His-Asp-Ile-Asp-Tyr-Lys-Asp-Asp-Asp-Asp-Lys,MDYKDHDGDYKDHDIDYKDDDDK
Pazopanib Impurity 105
Dimethylethanolamine