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108176 Thymol blue

indicator ACS,Reag. Ph Eur

Thymol blue MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.

Synonyms: Thymolsulfonphthalein

CAS #: 76-61-9 EC Number: 200-973-3 Molar Mass: 466.60 g/mol Hill Formula: C₂₇H₃₀O₅S Grade: ACS,Reag. Ph Eur
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Overview

Key Spec Table

CAS #EC NumberHill FormulaMolar MassGrade Value
76-61-9200-973-3C₂₇H₃₀O₅S466.60 g/molACS,Reag. Ph Eur

Products

Catalogue NumberPackaging Qty/Pack
1081760005 Glass bottle 5 g
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1081760025 Glass bottle 25 g
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Description
Catalogue Number108176
SynonymsThymolsulfonphthalein
Product Information
CAS number76-61-9
EC number200-973-3
GradeACS,Reag. Ph Eur
Hill FormulaC₂₇H₃₀O₅S
Molar Mass466.60 g/mol
HS Code2934 99 99
Structure formula ImageStructure formula Image
Quality LevelMQ200
Physicochemical Information
Density0.979 g/cm3
Melting Point221 °C (decomposition)
Bulk density350 kg/m3
Solubility0.11 g/l
Safety Information according to GHS
Storage class10 - 13 Other liquids and solids
WGKWGK 3 highly hazardous to water
Disposal3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
Storage and Shipping Information
StorageStore at +15°C to +25°C.
Specifications
Clarity of solution (1 g/l; ethanol)passes test
Identity (UV/VIS-Spectrum)passes test
1st transition rangepH 1.2 - pH 2.8 violet red - brownish yellow
2nd transition rangepH 7.8 - pH 9.5 greenish yellow - blue
Absorption maximum λ 1 max. (buffer pH 1,2)543 - 547 nm
Absorption maximum λ 2 max. (buffer pH 2,8)431 - 437 nm
Absorption maximum λ 3 max. (buffer pH 7.8)431 - 437 nm
Absorption maximum λ 4 max. (buffer pH 9.5)594 - 598 nm
Spec. Absorptivity A 1%/1cm (λ 1 max.; 0.01 g/l; buffer pH 1,2; calc. on dried substances)580 - 720
Spec. Absorptivity A 1%/1cm (λ 2 max.; 0.01 g/l; buffer pH 2,8; calc. on dried substances)250 - 370
Spec. Absorptivity A 1%/1cm (λ 3 max.; 0.01 g/l; buffer pH 7.8; calc. on dried substances)250 - 370
Spec. Absorptivity A 1%/1cm (λ 4 max.; 0.01 g/l; buffer pH 9.5; calc. on dried substances)580 - 700
Loss on drying (110 °C)≤ 5 %
Transition range (according to ACS)passes test
Sensitivity testpasses test
Global Trade Item Number
Catalogue Number GTIN
1081760005 04022536101279
1081760025 04022536101286