Thymol blue sodium salt in ACS Reagent grade water 95% (dye content), Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Certificates
About this item
Synonyms: Sodium hydrogen 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis[5-methyl-2-(1-methylethyl)phenolate] S,S-dioxide, Sodium 4-(3-(4-hydroxy-5-isopropyl-2-methylphenyl)-1,1-dioxido-3H-benzo[c][1,2]oxathiol-3-yl)-2-isopropyl-5-methylphenolate, Thymol blue water soluble, Thymol Blue sodium
CAS Number:62625-21-2
:81012-93-3
Formula:C₂₇H₂₉NaO₅S
MDL Number:MFCD00151093
Density:1.19 g/cm³ (20 °C)
Molecular Weight:488.58 g/mol
Melting Pt:283
:M-Clarity™ quality level = MQ200
Storage Temperature:Room Temperature
EINECS:263-650-6
Specifications
- Environmentally Preferable:
Specifications
Specification Test Results
- Appearance (Colour):Conforms to Requirements
Red-Brown to Brown or Black - Appearance (Form):Powder to Crystalline Powder
- Infrared spectrum:Conforms to Structure
- Wavelength:593 - 599 nm
- Extinction Coefficient:≥33000
- TLC Consistent With 95% Dye Content:Conforms
- Clarity of Solution:Pass
- Visual Interval
pH 1.2, Red/Pink:Pass - Visual Interval
pH 2.2, Orange:Pass - Visual Interval
pH 2.8, Yellow:Pass - Visual Interval
pH 8.0, Yellow:Pass - Visual Interval
pH 8.4, Green:Pass
Specification Test Results
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