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108121 Bromocresol green

108121
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Overview

Key Spec Table

CAS #EC NumberHill FormulaMolar MassGrade Value
76-60-8200-972-8C₂₁H₁₄Br₄O₅S698.04 g/molACS,Reag. Ph Eur

Products

Catalogue NumberPackaging Qty/Pack
1081210001 Glass bottle 1 g
1081210005 Glass bottle 5 g
1081210025 Glass bottle 25 g
Description
Catalogue Number108121
Synonyms3,3',5,5'-Tetrabromo-m-cresolsulfonphthalein, BCG
Product Information
CAS number76-60-8
EC number200-972-8
GradeACS,Reag. Ph Eur
Hill FormulaC₂₁H₁₄Br₄O₅S
Molar Mass698.04 g/mol
HS Code2934 99 99
Structure formula ImageStructure formula Image
Quality LevelMQ200
Physicochemical Information
Melting Point217 - 218 °C
Bulk density350 kg/m3
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
StorageNoTempLimit
Specifications
Identity (UV/VIS-Spectrum)passes test
Clarity of solution (1 g/l; ethanol)passes test
Transition rangepH 3.8 - pH 5.4 yellowish green - blue
Absorptions maximum λ 1 max. (buffer pH 3.8)438 - 445 nm
Absorptions maximum λ 2 max. (buffer pH 5.4)615 - 618 nm
Spec. Absorptivity A 1%/1cm (λ 1 max.; 0.01 g/l; buffer pH 3.8; calc. on dried substances)220 - 280
Spec. Absorptivity A 1%/1cm (λ 2 max.; 0.01 g/l; buffer pH 5.4; calc. on dried substances)460 - 590
Loss on drying (110 °C)≤ 3 %
Transition range (according to ACS)passes test
Transition interval (according Reag. Ph Eur)pH 3.6 - pH 5.2 yellow - blue
Sensitivity testpasses test
Global Trade Item Number
Catalogue Number GTIN
1081210001 04022536100678
1081210005 04022536100685
1081210025 04022536100692