Eriochrome black T indicator solution
2g/L, Medium: H2O
Reagent
Code: #181072
Alias
chrome black T; elechrome black T, wool chrome black T, media black T, acidic media black T
CAS Number
1787-61-7
science Other reagents with same CAS 1787-61-7
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Molecular Information
Weight
461.38 g/mol
Formula
C₂₀H₁₂N₃NaO₇S
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Registry Numbers
EC Number
217-250-3
MDL Number
MFCD00003935
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Storage & Handling
Storage
Room temperature
description Product Description
Used as an indicator in complexometric titrations, particularly for the determination of water hardness. It detects the presence of metal ions such as calcium and magnesium. During titration with EDTA, the color changes from wine red to blue at the endpoint, signaling completion. Commonly used in water quality testing and industrial water treatment processes.
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