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107241 Phenol red

indicator ACS

Phenol red MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.
CAS #: 143-74-8 EC Number: 205-609-7 Molar Mass: 354.38 g/mol Chemical Formula: (C₆H₄OH)₂C₇H₄SO₃ Hill Formula: C₁₉H₁₄O₅S Grade: ACS
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107241
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Overview

Key Spec Table

CAS #EC NumberHill FormulaChemical FormulaMolar MassGrade Value
143-74-8205-609-7C₁₉H₁₄O₅S(C₆H₄OH)₂C₇H₄SO₃354.38 g/molACS

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1072410005
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      1072410025
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          1072410100
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              		 Glass bottle 100 g
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              1072411000
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                  		 Metal can 1 kg
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                  Description
                  Catalogue Number107241
                  DescriptionPhenol red
                  Product Information
                  CAS number143-74-8
                  EC number205-609-7
                  GradeACS
                  Hill FormulaC₁₉H₁₄O₅S
                  Chemical formula(C₆H₄OH)₂C₇H₄SO₃
                  Molar Mass354.38 g/mol
                  HS Code2934 99 90
                  Structure formula ImageStructure formula Image
                  Quality LevelMQ200
                  Physicochemical Information
                  Melting Point>300 °C
                  Bulk density200 - 300 kg/m3
                  Solubility0.77 g/l
                  Safety Information according to GHS
                  Hazard Pictogram(s) Hazard Pictogram(s)
                  Hazard Statement(s)H315: Causes skin irritation.
                  H335: May cause respiratory irritation.
                  Precautionary Statement(s)P261: Avoid breathing dust/ fume/ gas/ mist/ vapours/ spray.
                  P264: Wash skin thoroughly after handling.
                  P271: Use only outdoors or in a well-ventilated area.
                  P280: Wear protective gloves.
                  P302 + P352: IF ON SKIN: Wash with plenty of water.
                  P304 + P340 + P312: IF INHALED: Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER/doctor if you feel unwell.
                  Signal WordWarning
                  RTECSSJ7490000
                  Storage class10 - 13 Other liquids and solids
                  WGKWGK 3 highly hazardous to water
                  Disposal3
                  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
                  StorageStore at +5°C to +30°C.
                  Specifications
                  Identity (UV/VIS-Spectrum)passes test
                  Clarity of solution (1 g/l; ethanol)passes test
                  1st transition rangepH 1.2 - pH 3.0 brownish orange - yellow
                  2nd transition rangepH 6.5 - pH 8.0 brownish yellow - red violet
                  Absorption maximum λ 1 max. (buffer pH 1,2)503 - 506 nm
                  Absorption maximum λ 2 max. (buffer pH 3,0)430 - 435 nm
                  Absorption maximum λ 3 max. (buffer pH 6.5)430 - 435 nm
                  Absorption maximum λ 4 max. (buffer pH 8,0)557 - 560 nm
                  Spec. Absorptivity A 1%/1cm (λ 1 max.; 0.005 g/l; buffer pH 1,2; calc. on dried substances)900 - 1150
                  Spec. Absorptivity A 1%/1cm (λ 2 max.; 0.005 g/l; buffer pH 3,0; calc. on dried substances)550 - 650
                  Spec. Absorptivity A 1%/1cm (λ 3 max.; 0.005 g/l; buffer pH 6.5; calc. on dried substances)550 - 650
                  Spec. Absorptivity A 1%/1cm (λ 4 max.; 0.005 g/l; buffer pH 8,0; calc. on dried substances)1000 - 1250
                  Loss on drying (110 °C)≤ 1
                  Transition range (according to ACS)pH 5,8 - pH 8,2 yellow - red
                  Global Trade Item Number
                  Catalogue Number GTIN
                  1072410005 04022536088822
                  1072410025 04022536088839
                  1072410100 04022536088846
                  1072411000 04022536088853