| Identification | More | [Name]
ETHYL RED | [CAS]
76058-33-8 | [Synonyms]
2-[4-(DIETHYLAMINO)PHENYLAZO]BENZOIC ACID
4-(DIETHYLAMINO)AZOBENZENE-2'-CARBOXYLIC ACID
DIETHYL RED
ETHYL RED
LABOTEST-BB LT00452774
ETHYL RED 97%
Ethyl Red, pure
Ethyl Red [not Cyanin dyes]
Ethyl Red Indicator
o-(p-Diethylaminophenylazo)benzoic acid | [EINECS(EC#)]
999-999-2 | [Molecular Formula]
C17H19N3O2 | [MDL Number]
MFCD00002427 | [Molecular Weight]
297.35 | [MOL File]
76058-33-8.mol |
| Chemical Properties | Back Directory | [Appearance]
dark red powder | [Melting point ]
135 °C | [Boiling point ]
438.86°C (rough estimate) | [density ]
1.0871 (rough estimate) | [refractive index ]
1.6500 (estimate) | [solubility ]
Solubility Almost insoluble in water; slightly soluble in ethanol, soluble in benzene | [form ]
powder | [pka]
5.42(at 25℃) | [color ]
Red | [PH Range]
Red (4.5) to yellow (6.5) | [λmax]
447nm | [BRN ]
3366056 | [Major Application]
Optical materials, photoresists, flexible electronic circuitry, adhesives, textiles, method for counting leukocytes, enzyme binding assays, DNA chips | [CAS DataBase Reference]
76058-33-8(CAS DataBase Reference) |
| Safety Data | Back Directory | [Hazard Codes ]
Xn | [Risk Statements ]
R32:Contact with acids liberates very toxic gas.
R20/21:Harmful by inhalation and in contact with skin . | [Safety Statements ]
S22:Do not breathe dust .
S24/25:Avoid contact with skin and eyes . | [HS Code ]
29270000 |
| Hazard Information | Back Directory | [Chemical Properties]
dark red powder | [Uses]
Indicator: pH 4.5 (red) to pH 6.5 (yellow) | [Purification Methods]
Ethyl Red [2-(4-diethylaminophenylazo)benzoic acid] M 297.4, m 135o, 150-1 5 2o, pK1 2.5, pK2 9.5. Crystallise the acid dye from EtOH/diethyl ether or toluene. It is an indicator: pH 4.4 (red) and 6.2 (yellow). UV: max 447nm. [Beilstein 16 I 316.] |
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| Company Name: |
Alfa Aesar
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| Tel: |
400-6106006 |
| Website: |
http://chemicals.thermofisher.cn |
| Company Name: |
Energy Chemical
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| Tel: |
021-021-58432009 400-005-6266 |
| Website: |
http://www.energy-chemical.com |
| Company Name: |
Maya High Purity Chemicals
|
| Tel: |
+86 (573) 82222445 (0)18006601000 452520369 |
| Website: |
www.chemicalbook.com/ShowSupplierProductsList15221/0.htm |
| Company Name: |
Spectrum Chemical Manufacturing Corp.
|
| Tel: |
021-021-021-67601398-809-809-809 15221380277 |
| Website: |
www.spectrumchemical.com/oa_html/index.jsp?minisite=10020&respid=22372&language=us |
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