Bromophenol Red İndicator

ürün Kodu : 103023.0005

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Ürün Grubu : Merck Kimyasalları

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Description
Catalogue Number 103023
Synonyms 3',3''-Dibromophenolsulfonphthalein, BPR
Product Information
CAS number 2800-80-8
EC number 220-538-1
Hill Formula C₁₉H₁₂Br₂O₅S
Molar Mass 512.20 g/mol
HS Code 2934 99 90
Structure formula Image Structure formula Image
Quality Level MQ200
Physicochemical Information
Melting Point 230 °C (decomposition)
Bulk density 770 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
Transition range pH 4.7 - pH 6.3 yellow to purple
Absorption maximum λ 1 (buffer pH 4.7) 435 - 440 nm
Absorption maximum λ 2 (buffer pH 6.3) 574 - 577 nm
Spec. Absorptivity A 1%/1cm (λ1max; 0.01 g/l; buffer pH 4.7; calculated on anhydrous substance) ≥ 380
Spec. Absorptivity A 1%/1cm (λ2max; 0.01 g/l; Puffer pH 6.3; calculated on anhydrous substance) ≥ 760
Water (according to Karl Fischer) ≤ 5 %

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