Ethyl orange
Indicator grade
Reagent
Code: #127056
Alias
Ethyl orange sodium salt; 4-diethylaminoazobenzene-4'-sulfonic acid sodium salt; 4-(4-diethylamino)phenylazobenzenesulfonic acid sodium salt
CAS Number
62758-12-7
science Other reagents with same CAS 62758-12-7
blur_circular Chemical Specifications
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Molecular Information
Weight
355.39 g/mol
Formula
C₁₆H₁₈N₃NaO₃S
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Registry Numbers
EC Number
263-716-4
MDL Number
MFCD00007503
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Storage & Handling
Storage
room temperature
description Product Description
Ethyl orange is primarily used as a pH indicator in various analytical and laboratory applications. It is particularly effective in titration processes to determine the acidity or alkalinity of a solution. The compound changes color at a pH range of 3.0 to 4.8, transitioning from red in acidic conditions to yellow in basic conditions, making it useful for identifying pH shifts in chemical reactions. Additionally, ethyl orange is employed in dyeing and staining procedures in biological and histological studies, where it helps to differentiate cellular structures under microscopic examination. Its stability and distinct color change properties make it a reliable tool in both educational and research settings.
format_list_bulleted Product Specification
| Test Parameter | Specification |
|---|---|
| Transition Interval (pH) | 3-4.8 |
| Appearance | Orange Solid |
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