Eriochrome® black T For Molecular Biology

SKU:
MB339
CAS Number : 1787-61-7
Synonym : Mordant black 11, Chromegen black ET
Molecular Formula : C₂₀H₁₂N₃NaO₇S
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Eriochrome® black T For Molecular Biology is a blue azo dye that changes color when complexed with divalent metal ions. This EBT Indicator facilitates Complexometric Titration for a Metal Ion and supports any professional Molecular Biochemistry Hardness Test and assay.
CAS Number : 1787-61-7
Synonym : Mordant black 11, Chromegen black ET
Molecular Formula : C₂₀H₁₂N₃NaO₇S


Product Identifier

CAS No. 1787-61-7
EC No. 217-250-3
C.I. No. 14645
Molecular Formula C20H12N3NaO7S
Molecular Weight 461.38
Synonym Mordant black 11, Chromegen black ET
HS Code 3204 90 00
Storage Below 30°C
Shelf life 4 years

Technical Specification

Appearance Brownish-black to black crystals or powder or solid
Solubility 20 ppm in water yields clear red solution
DNases None detected
RNases None detected
Clarity of solution Passes test
Absorption maxima 615 - 625 nm (20 ppm in pH 10 ammonical buffer)
Specific Absorbance >= 250 (20 ppm in pH 10 ammonical buffer, at 625 nm)
Suitability as complexometric indicator Passes test
Loss on drying (at 105°C, 2 hr) <= 10.00%

Safety Information

Hazard Pictogram(s) Hazard Pictogram Exclamation MarkHazard Pictogram Environment
Signal Word Warning
Hazard Statement(s) H319-H411
Precautionary Statement(s) P273-P280-P305+P351+P338-P337+P313-P391-P501
UN No. 3077
Class 9
Packing Group III
RTECS -
WGK 2
CAS Number : 1787-61-7
Synonym : Mordant black 11, Chromegen black ET
Molecular Formula : C₂₀H₁₂N₃NaO₇S
More Information
Product Name Eriochrome® black T For Molecular Biology
SKU MB339
CAS No 1787-61-7
EC No. 217-250-3
Molecular formula C₂₀H₁₂N₃NaO₇S
Synonym Mordant black 11, Chromegen black ET
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