ETHYL RED
- CAS NO.：76058-33-8
- Empirical Formula: C17H19N3O2
- Molecular Weight: 297.35
- MDL number: MFCD00002427
- EINECS: 999-999-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-04-23 13:52:06
What is ETHYL RED?
Chemical properties
dark red powder
The Uses of ETHYL RED
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.]
Properties of ETHYL RED
| 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 information for ETHYL RED
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for ETHYL RED
ETHYL RED manufacturer
New Products
(S)-3-Aminobutanenitrile hydrochloride 4-Methylphenylacetic acid N-Boc-D-alaninol N-BOC-D/L-ALANINOL Tert-butyl bis(2-chloroethyl)carbamate 3-Morpholino-1-(4-nitrophenyl)-5,6-dihydropyridin- 2(1H)-one Furan-2,5-Dicarboxylic Acid Tropic acid 1-Bromo-3,5-Di-Tert-Butylbenzene S-2-CHLORO PROPIONIC ACID ETHYL ISOCYANOACETATE 2-Bromo-1,3-Bis(Dimethylamino)Trimethinium Hexafluorophosphate 4-IODO BENZOIC ACID 3-NITRO-2-METHYL ANILINE 1-(2,4-DICHLOROPHENYL) ETHANAMINE (2-Hydroxyphenyl)acetonitrile 4-Bromopyrazole 2-(Cyanocyclohexyl)acetic acid 4-methoxy-3,5-dinitropyridine 1-(4-(aminomethyl)benzyl)urea hydrochloride 2-aminopropyl benzoate hydrochloride diethyl 2-(2-((tertbutoxycarbonyl)amino) ethyl)malonate tert-butyl 4- (ureidomethyl)benzylcarbamate Ethyl-2-chloro((4-methoxyphenyl)hydrazono)acetateRelated products of tetrahydrofuran
You may like
-
76058-33-8 Ethyl Red 90%View Details
76058-33-8 -
Ethyl red 95% CAS 76058-33-8View Details
76058-33-8 -
Ethyl Red [not Cyanin dyes] CAS 76058-33-8View Details
76058-33-8 -
1975-50-4 98%View Details
1975-50-4 -
2-HYDROXY BENZYL ALCOHOL 98%View Details
90-01-7 -
2-Chloro-1,3-Bis(Dimethylamino)Trimethinium Hexafluorophosphate 221615-75-4 98%View Details
221615-75-4 -
14714-50-2 (2-Hydroxyphenyl)acetonitrile 98+View Details
14714-50-2 -
118753-70-1 98+View Details
118753-70-1
Statement: All products displayed on this website are only used for non medical purposes such as industrial applications or scientific research, and cannot be used for clinical diagnosis or treatment of humans or animals. They are not medicinal or edible.