Congo red 25g

Congo red (C.I. 22120) for microscopy 0322 It is not required to list the identified uses because the substance is not subject to registration according to REACH (< 1 t/a). Disodium-3,3′[[1,1-biphenyl]-4,4′-diyl(bis(azo)]bis(4-aminonaphthalin-1-sulfonate), Direct Red 28 1.2 Relevant identified uses of the substance or mixture and uses advised against Relevant identified uses: Laboratory chemical Laboratory and analytical use Uses advised against: Do not use for products which come into contact with foodstuffs. Do not use for private purposes (household). Safety data sheet **SECTION 1: Identification of the substance/mixture and Company** **SECTION 2: Hazards identification** 2.1 Classification of the substance or mixture Classification according to Regulation (EC) No 1272/2008 (CLP) Section Hazard class Category Hazard class and category **Hazard statement** 3.6 Carcinogenicity 1B Carc. 1B H350 3.7 Reproductive toxicity 2 Repr. 2 H361d For full text of abbreviations: see SECTION 16 2.2 Label elements Labelling according to Regulation (EC) No 1272/2008 (CLP) Signal word Danger Pictograms GHS08 **Hazard statements** H350 May cause cancer H361d Suspected of damaging the unborn child **Precautionary statements** Precautionary statements – prevention P202 Do not handle until all safety precautions have been read and understood Precautionary statements – response P308+P313 IF exposed or concerned: Get medical advice/attention For professional users only Labelling of packages where the contents do not exceed 125 ml Signal word: Danger Symbol(s) H350 May cause cancer. H361d Suspected of damaging the unborn child. P202 Do not handle until all safety precautions have been read and understood. P308+P313 IF exposed or concerned: Get medical advice/attention. • Molecular formula: C₃₂H₂₂N₆Na₂O₆S₂ • Molar mass: 696,7 g/mol • CAS No: 573-58-0 • EC No: 209-358-4 • Index No: 611-027-00-8 Physical state solid Form powder Colour red brown Odour characteristic Melting point/freezing point 360 °C Boiling point or initial boiling point and boiling range not determined Flammability this material is combustible, but will not ignite readily Lower and upper explosion limit not determined Flash point not applicable Auto-ignition temperature not determined Decomposition temperature not relevant pH (value) 6,7 (in aqueous solution: 10 g/l, 20 °C) Kinematic viscosity not relevant Solubility(ies) Water solubility 25 g/l at 20 °C Partition coefficient Partition coefficient n-octanol/water (log value): 2,63 (calculated value) Vapour pressure not determined Density and/or relative density Density not determined Relative vapour density information on this property is not available Bulk density 600 – 700 kg/m³ Particle characteristics No data available. Other safety parameters Oxidising properties none • Congo red (C.I. 22120) for microscopy 0322 • Disodium-3,3′[[1,1-biphenyl]-4,4′-diyl(bis(azo)]bis(4-aminonaphthalin-1-sulfonate), Direct Red 28 • Laboratory chemical • Not for use with foodstuffs or private purposes