General Lab Products & Reviews

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Trusted information for laboratory scientists on General Lab products and techniques on SelectScience, including incubators, autoclaves, light microscopy and pH meters.

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Tetrahydrofuran GPC grade (A2435)

AppliChem GmbH

additional product description: To be used in gel permeation chromatography, filtered through 0.2 μm filter.Stabilization: non-stabilizedBoiling point: 66°Cn 20°C/D: 1.4072Density (d 25°C/4°C): 0.889Melting point: -89°CFormula: C4H8OM: 72.11 g/molCAS-No.: 109-99-9HS-No.: 29321100EC-No.: 203-726-8Storage: RTLGK: 3 ADisposal: 1R: 11-19-36/37S: 16-29-33hazardidentification: irritant, highly flammableClass/PG: 3/IIUN-No.: UN2056WG…

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Thymol blue sodium salt water-soluble (A2436)

AppliChem GmbH

2. Transition interval: pH 7.8 - 9.5 (green-yellowish - blue)Melting range: 283 - 285°C (dec.)1. Transition interval: pH 1.2 - 2.8 (violet - brownish)Formula: C27H29NaO5SM: 488.58 g/molCAS-No.: 62625-21-2HS-No.: 29349990EC-No.: 263-650-6Storage: RTLGK: 10 - 13Disposal: 3Specification:

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