Merck 103026 0025 Bromothymol Blue indicator Acs 25 GR.

Merck 103026 0025 Bromothymol Blue indicator Acs 25 GR.

215.36 ( KDV Dahil )

indicator ACS,Reag. Ph Eur CAS #: 76-59-5 EC Number: 200-971-2

Stok kodu: 103026.0025 Kategoriler: ,

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Description
Catalogue Number 103026
Synonyms 3′,3”-Dibromothymolsulfonphthalein, BTB

Product Information
CAS number 76-59-5
EC number 200-971-2
Grade ACS,Reag. Ph Eur
Hill Formula C₂₇H₂₈Br₂O₅S
Molar Mass 624.40 g/mol
HS Code 2934 99 90
Structure formula Image Structure formula Image
Quality Level MQ200

Physicochemical Information
Melting Point 201 °C
Bulk density 450 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 5.8 – pH 7.6 yellow – blue
Absorption maximum λ 1 max. (buffer pH 5.8) 430 – 435 nm
Absorption maximum λ 2 max. (buffer pH 7.6) 615 – 618 nm
Spec. Absorptivity A 1%/1cm (λ 1 max.; 0.005 g/l; buffer pH 5.8; calc. on dried substances) 260 – 305
Spec. Absorptivity A 1%/1cm (λ 2 max.; 0.005 g/l; buffer pH 7.6; calc. on dried substances) 455 – 530
Loss on drying (110 °C) ≤ 3 %
Transition range (according to ACS) passes test
Sensitivity test passes test
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