Bromophenol Blue Indicator

ürün Kodu : 108122.0005

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Description
Catalogue Number 108122
Synonyms 3,3',5,5'-Tetrabromophenolsulfonphthalein, BPB
Product Information
CAS number 115-39-9
EC number 204-086-2
Grade ACS,Reag. Ph Eur
Hill Formula C₁₉H₁₀Br₄O₅S
Molar Mass 669.98 g/mol
HS Code 2934 99 90
Structure formula Image Structure formula Image
Quality Level MQ200
Physicochemical Information
Melting Point 270 - 273 °C (decomposition)
Bulk density 730 kg/m3
Safety Information according to GHS
Storage class 10 - 13 Other liquids and solids
WGK WGK 3 highly hazardous to water
Disposal 3
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
Storage Store at +2°C to +30°C.
Specifications
Identity (UV/VIS-Spectrum) passes test
Clarity of solution (1 g/l; ethanol) passes test
Transition range pH 3.0 - pH 4.6 greenish yellow - blue violet
Absorption maximum λ 1 max. (buffer pH 3.0) 434 - 439 nm
Absorption maximum λ 2 max. (buffer pH 4.6) 590 - 593 nm
Spec. Absorptivity A 1%/1cm (λ 1 max.; 0.005 g/l; buffer pH 3.0; calc. on dried substances) 350 - 400
Spec. Absorptivity A 1%/1cm (λ 2 max.; 0.005 g/l; buffer pH 4.6; calc. on dried substances) 940 - 1050
Loss on drying (110 °C) ≤ 2 %
Transition range (according to ACS) passes test
Sensitivity test passes test

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