Millipore Sigma Vibrant Logo

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
View Products on Sigmaaldrich.com
107241
View Pricing & Availability

Overview

Replacement Information

Key Spec Table

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

Pricing & Availability

Catalogue Number AvailabilityPackaging Qty/Pack Price Quantity
1.07241.0005
Retrieving availability...
—
Limited Availability Limited Availability
In Stock 
Discontinued
Limited Quantities Available
Availability to be confirmed
    Remaining : Will advise
      Remaining : Will advise
      Will advise
      Contact Customer Service
      Contact Customer Service

      		 Glass bottle 5 g
      Retrieving price...
      Price could not be retrieved
      Minimum Quantity is a multiple of
      Maximum Quantity is
      Upon Order Completion More Information
      You Saved ()
       
      —
      Request Pricing
      		 —
      Description
      Catalogue Number107241
      DescriptionPhenol red
      References
      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 99
      Structure formula ImageStructure formula Image
      Quality LevelMQ200
      Applications
      Biological Information
      Physicochemical Information
      Melting Point>300 °C
      Bulk density200 - 300 kg/m3
      Solubility0.77 g/l
      Dimensions
      Materials Information
      Toxicological Information
      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.
      Safety Information
      Product Usage Statements
      Storage and Shipping Information
      StorageStore at +5°C to +30°C.
      Packaging Information
      Transport Information
      Supplemental Information
      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
      1.07241.0005 04022536088822

      Related Products & Applications

      Accessories (Secondary)

      Catalogue Number Description  
      110987 Phenol-red broth (base) Show Pricing & Availability

      Categories

      Analytics and Sample Preparation > Reagents for Pharmacopoeia Analysis > Indicators for Pharmacopoeia Analysis
      Reagents, Chemicals and Labware > Inorganic Reagents > Safety Products and General Applications > Indicators > Acid Alkali Indicators or pH Indicators