Direct red 80 25% (dye content), Sigma-Aldrich®

Supplier: SIGMA-ALDRICH MICROSCOPY

Synonyms: CI 35780Sirius RedSirius Red F3BPicro-Sirius Red

M-Clarity™ quality level = MQ200

365548-25GEA 136 GBP
365548-25G 365548-5G
Direct red 80 25% (dye content), Sigma-Aldrich®
Direct Red 80

Direct Red 80 (C.I. 35780) is an extremely hydrophilic, very large tetrakisazo hexasulfonated anionic dye that has a large, planar aromatic system.It is also known as Sirius red F3B, chlorantine fast red 7BLN or 5BRL, durazol brilliant red B, pontamine fast red 7BNL, and sirius fast red.

Formula: C₄₅H₂₆N₁₀Na₆O₂₁S₆
MW: 1373,051 g/mol
Storage Temperature: Room Temperature
MDL Number: MFCD00054389
CAS Number: 2610-10-8
EINECS: 220-027-3

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Specification Test Results

Appearance (Form) Powder
Infrared spectrum Conforms to Structure
Wavelength, c = 0.03 g/L; Water 524 - 530 nm
Extinction Coefficient ≥32000
Wavelength 277 - 283 nm
Extinction Coefficient ≥12000
Wavelength 223 - 235 nm
Extinction Coefficient ≥15000
Carbon ≥9.4 %
Nitrogen ≥2.4 %

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