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MERCK 108121.0005 Bromocresol Green indicator ACS CAS No.76-60-8 (SD.M.108121.0005)

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MERCK 108121.0005 Bromocresol Green indicator ACS CAS No.76-60-8
 

Description
Catalogue Number 108121
Synonyms 3,3',5,5'-Tetrabromo-m-cresolsulfonphthalein, BCG
Product Information
CAS number 76-60-8
EC number 200-972-8
Grade ACS,Reag. Ph Eur
Hill Formula C₂₁H₁₄Br₄O₅S
Molar Mass 698.04 g/mol
HS Code 2934 99 99
Structure formula Image Structure formula Image
Quality Level MQ200
Physicochemical Information
Melting Point 217 - 218 °C
Bulk density 350 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 NoTempLimit
Specifications
Identity (UV/VIS-Spectrum) passes test
Clarity of solution (1 g/l; ethanol) passes test
Transition range pH 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 test passes test
Global Trade Item Number
Catalogue Number GTIN
1081210001 04022536100678
1081210005 04022536100685
1081210025 04022536100692
Etiketler
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