Merck 101369 0025 Neutral Red (C.i. 50040) indicator And For Microbiology 25 GR.

Merck 101369 0025 Neutral Red (C.i. 50040) indicator And For Microbiology 25 GR.

171.90 ( KDV Dahil )

indicator and for microbiology CAS #: 553-24-2 EC Number: 209-035-8

Stok kodu: 101369.0025 Kategoriler: , ,

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Description
Catalogue Number 101369

Product Information
CAS number 553-24-2
EC number 209-035-8
Hill Formula C₁₅H₁₇ClN₄
Molar Mass 288.78 g/mol
HS Code 3212 90 00
Structure formula Image Structure formula Image
Quality Level MQ200

Physicochemical Information
Melting Point 290 °C
pH value 3.1 (10 g/l, H₂O, 20 °C)
Bulk density 350 – 500 kg/m3
Solubility 50 g/l

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
Dye content (spectrophotometrically) ≥ 75 %
Identity (UV/VIS-Spectrum) passes test
Transition range pH 6.8 – pH 8.0 Violet red – orange yellow
Absorption maximum λmax. (ethanol 50 %) 540 – 543 nm
Absorption maximum λ 1 (buffer pH 6.8) 514 – 519 nm
Absorption maximum λ 2 (buffer pH 8.0) 452 – 455 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.005 g/l; ethanol 50 %) 1180 – 1610
Spec. Absorptivity A 1%/1cm (λ1max; 0.015 g/l; buffer pH 6.8; calc. on dried substances) 425 – 575
Spec. Absorptivity A 1%/1cm (λ2max; 0.015 g/l; buffer pH 8.0; calc. on dried substances) 395 – 535
TLC-Test passes test
Loss on drying (110 °C) ≤ 18 %
Suitability for microbiology passes test
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