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pH Indicators

Browse our curated selection of pH Indicators from leading global manufacturers. Find research-grade reagents, certified standards, and specialty supplies backed by Cenmed's expert sourcing and technical support.

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  • rosolic acid (c09-1023-080)
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    R110706-25g

    Rosolic acid (C007B-253611)

    Price: $207.31
    List Price: $230.34
    p-Rosolic acid is a synthetic dye useful as a pH indicator between pH 5.0 - 6.8 with color changes from yellow to pink.A useful dye and pH indicator between pH 5.0- 6.8.
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    SKUR110706-25g
    MFR. NameAladdin Scientific
    Catalog No. C007B-253611
    Pack Size 1 EA
    Price:
    Price: $207.31
    List Price: $230.34
    Quantity:
     
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    Product Information

    Catalog No.
    C007B-253611
    Description
    p-Rosolic acid is a synthetic dye useful as a pH indicator between pH 5.0 - 6.8 with color changes from yellow to pink.A useful dye and pH indicator between pH 5.0- 6.8.
    CAS Number
    603-45-2
  • rosolic acid (c09-1023-081)
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    R110706-500g

    Rosolic acid (C007B-253612)

    Price: $1,810.82
    List Price: $2,012.03
    p-Rosolic acid is a synthetic dye useful as a pH indicator between pH 5.0 - 6.8 with color changes from yellow to pink.A useful dye and pH indicator between pH 5.0- 6.8.
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    SKUR110706-500g
    MFR. NameAladdin Scientific
    Catalog No. C007B-253612
    Pack Size 1 EA
    Price:
    Price: $1,810.82
    List Price: $2,012.03
    Quantity:
     
    The item has been added

    Product Information

    Catalog No.
    C007B-253612
    Description
    p-Rosolic acid is a synthetic dye useful as a pH indicator between pH 5.0 - 6.8 with color changes from yellow to pink.A useful dye and pH indicator between pH 5.0- 6.8.
    CAS Number
    603-45-2
  • rosolic acid (c09-1023-082)
    Add to Cart The item has been added
    R110706-5g

    Rosolic acid (C007B-253613)

    Price: $108.87
    List Price: $120.96
    p-Rosolic acid is a synthetic dye useful as a pH indicator between pH 5.0 - 6.8 with color changes from yellow to pink.A useful dye and pH indicator between pH 5.0- 6.8.
    Hide Price See Price
    SKUR110706-5g
    MFR. NameAladdin Scientific
    Catalog No. C007B-253613
    Pack Size 1 EA
    Price:
    Price: $108.87
    List Price: $120.96
    Quantity:
     
    The item has been added

    Product Information

    Catalog No.
    C007B-253613
    Description
    p-Rosolic acid is a synthetic dye useful as a pH indicator between pH 5.0 - 6.8 with color changes from yellow to pink.A useful dye and pH indicator between pH 5.0- 6.8.
    CAS Number
    603-45-2
  • rosolic acid (c09-1030-808)
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    R639576-100g

    Rosolic acid (C007B-260297)

    Price: $304.93
    List Price: $338.81
    p-Rosolic acid is a synthetic dye useful as a pH indicator between pH 5.0 - 6.8 with color changes from yellow to pink.A useful dye and pH indicator between pH 5.0- 6.8.
    Hide Price See Price
    SKUR639576-100g
    MFR. NameAladdin Scientific
    Catalog No. C007B-260297
    Pack Size 1 EA
    Price:
    Price: $304.93
    List Price: $338.81
    Quantity:
     
    The item has been added

    Product Information

    Catalog No.
    C007B-260297
    Description
    p-Rosolic acid is a synthetic dye useful as a pH indicator between pH 5.0 - 6.8 with color changes from yellow to pink.A useful dye and pH indicator between pH 5.0- 6.8.
    CAS Number
    603-45-2
  • rosolic acid (c09-1030-809)
    Add to Cart The item has been added
    R639576-25g

    Rosolic acid (C007B-260298)

    Price: $95.02
    List Price: $105.58
    p-Rosolic acid is a synthetic dye useful as a pH indicator between pH 5.0 - 6.8 with color changes from yellow to pink.A useful dye and pH indicator between pH 5.0- 6.8.
    Hide Price See Price
    SKUR639576-25g
    MFR. NameAladdin Scientific
    Catalog No. C007B-260298
    Pack Size 1 EA
    Price:
    Price: $95.02
    List Price: $105.58
    Quantity:
     
    The item has been added

    Product Information

    Catalog No.
    C007B-260298
    Description
    p-Rosolic acid is a synthetic dye useful as a pH indicator between pH 5.0 - 6.8 with color changes from yellow to pink.A useful dye and pH indicator between pH 5.0- 6.8.
    CAS Number
    603-45-2
  • rosolic acid (c09-1030-810)
    Add to Cart The item has been added
    R639576-5g

    Rosolic acid (C007B-260299)

    Price: $23.80
    List Price: $26.44
    p-Rosolic acid is a synthetic dye useful as a pH indicator between pH 5.0 - 6.8 with color changes from yellow to pink.A useful dye and pH indicator between pH 5.0- 6.8.
    Hide Price See Price
    SKUR639576-5g
    MFR. NameAladdin Scientific
    Catalog No. C007B-260299
    Pack Size 1 EA
    Price:
    Price: $23.80
    List Price: $26.44
    Quantity:
     
    The item has been added

    Product Information

    Catalog No.
    C007B-260299
    Description
    p-Rosolic acid is a synthetic dye useful as a pH indicator between pH 5.0 - 6.8 with color changes from yellow to pink.A useful dye and pH indicator between pH 5.0- 6.8.
    CAS Number
    603-45-2
  • schisantherin a
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    PHL89316-10MG

    SCHISANTHERIN A

    Price: $1,414.55
    List Price: $1,571.73
    General description This substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities). The exact value can be found on the certificate.
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    SKUPHL89316-10MG
    MFR. NamePhytoLab
    Catalog No. C005B-436248
    Pack Size 10 MG
    Price:
    Price: $1,414.55
    List Price: $1,571.73
    Quantity:
     
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    Product Information

    Catalog No.
    C005B-436248
    Description
    General description This substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities). The exact value can be found on the certificate.
    CAS Number
    58546-56-8
  • schisantherin b
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    PHL83542-10MG

    SCHISANTHERIN B

    Price: $931.25
    List Price: $1,034.72
    General description This substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities). The exact value can be found on the certificate.
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    SKUPHL83542-10MG
    MFR. NamePhytoLab
    Catalog No. C005B-436707
    Pack Size 10 MG
    Price:
    Price: $931.25
    List Price: $1,034.72
    Quantity:
     
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    Product Information

    Catalog No.
    C005B-436707
    Description
    General description This substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities). The exact value can be found on the certificate.
    CAS Number
    58546-55-7
  • selenic acid solution, 40 wt. % in water 100g
    141390-100G

    Selenic acid solution, 40 wt. % in water 100g

    Price: $831.44
    List Price: $923.83
    CAS: 7783-08-6 EC No: 231-979-4 MDL No: MFCD00012191 UN No: UN2922 Haz Class: 8 (6.1) Packing Group: II Liquid Linear Formula: H<sub>2</sub>SeO<sub>4</sub> MW: 144.97 Density (g/mL): 1.407
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    SKU141390-100G
    MFR. NameBEANTOWN CHEMICAL
    Catalog No. C003B-346737
    Pack Size 1 EA
    Price:
    Price: $831.44
    List Price: $923.83
    Quantity:
     

    Product Information

    Catalog No.
    C003B-346737
    Description
    CAS: 7783-08-6 EC No: 231-979-4 MDL No: MFCD00012191 UN No: UN2922 Haz Class: 8 (6.1) Packing Group: II Liquid Linear Formula: H<sub>2</sub>SeO<sub>4</sub> MW: 144.97 Density (g/mL): 1.407
    CAS Number
    7783-08-6
  • selenic acid solution, 40 wt. % in water 500g
    141390-500G

    Selenic acid solution, 40 wt. % in water 500g

    Price: $3,355.73
    List Price: $3,728.58
    CAS: 7783-08-6 EC No: 231-979-4 MDL No: MFCD00012191 UN No: UN2922 Haz Class: 8 (6.1) Packing Group: II Liquid Linear Formula: H<sub>2</sub>SeO<sub>4</sub> MW: 144.97 Density (g/mL): 1.407
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    SKU141390-500G
    MFR. NameBEANTOWN CHEMICAL
    Catalog No. C003B-350327
    Pack Size 1 EA
    Price:
    Price: $3,355.73
    List Price: $3,728.58
    Quantity:
     

    Product Information

    Catalog No.
    C003B-350327
    Description
    CAS: 7783-08-6 EC No: 231-979-4 MDL No: MFCD00012191 UN No: UN2922 Haz Class: 8 (6.1) Packing Group: II Liquid Linear Formula: H<sub>2</sub>SeO<sub>4</sub> MW: 144.97 Density (g/mL): 1.407
    CAS Number
    7783-08-6
  • sodium 1-octanesulfonate for surfactant (c15-1246-574)
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    1122920002

    SODIUM 1-OCTANESULFONATE FOR SURFACTANT (C005B-046989)

    Price: $205.53
    List Price: $228.37
    Analysis Note Assay (alkalimetric, calculated on dried substance): &#8805 99.0 % Identity (IR-spectrum): conforms pH (100&#8199g/l, water): 5.
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    SKU1122920002
    MFR. NameSigma-Aldrich
    Catalog No. C005B-046989
    Pack Size 2 GR
    Price:
    Price: $205.53
    List Price: $228.37
    Quantity:
     
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    Catalog No.
    C005B-046989
    Description
    Analysis Note Assay (alkalimetric, calculated on dried substance): &#8805 99.0 % Identity (IR-spectrum): conforms pH (100&#8199g/l, water): 5.
    CAS Number
    5324-84-5
  • sodium 1-octanesulfonate for surfactant (c15-1246-575)
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    1122920005

    SODIUM 1-OCTANESULFONATE FOR SURFACTANT (C005B-046990)

    Price: $246.13
    List Price: $273.48
    Analysis Note Assay (alkalimetric, calculated on dried substance): &#8805 99.0 % Identity (IR-spectrum): conforms pH (100&#8199g/l, water): 5.
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    SKU1122920005
    MFR. NameSigma-Aldrich
    Catalog No. C005B-046990
    Pack Size 5 GR
    Price:
    Price: $246.13
    List Price: $273.48
    Quantity:
     
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    Product Information

    Catalog No.
    C005B-046990
    Description
    Analysis Note Assay (alkalimetric, calculated on dried substance): &#8805 99.0 % Identity (IR-spectrum): conforms pH (100&#8199g/l, water): 5.
    CAS Number
    5324-84-5
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About pH Indicators

Cenmed Enterprises provides a comprehensive selection of pH Indicators products sourced from leading global manufacturers. Our catalog spans research-grade reagents, certified standards, and specialty compounds used across clinical, academic, and industrial laboratories worldwide.

With decades of expertise in laboratory supply distribution, we offer competitive pricing, reliable stock availability, and dedicated technical support. Whether you need small quantities for research or bulk orders for manufacturing, our team is ready to assist with sourcing, compliance documentation, and logistics.

Frequently Asked Questions

  • What documentation is provided with orders?

    All orders include a Certificate of Analysis (CoA), Safety Data Sheet (SDS), and a packing slip. Additional regulatory or compliance documentation can be requested at the time of order for products requiring special handling or import/export certification.

  • What is the minimum order quantity?

    Minimum order quantities vary by product and are listed on each product page. For bulk or custom quantity orders, please contact our sales team at 732-447-1100 or request a quote online for custom pricing.

  • How long does shipping take?

    Standard orders ship within 1–3 business days from our New Jersey distribution center. Expedited and international shipping options are available. Hazardous materials ship in compliance with IATA/DOT regulations and may require additional lead time.

  • Can I return a product?

    We accept returns on non-hazardous, unopened products within 30 days of delivery. Controlled substances, refrigerated items, and custom orders are non-returnable. To initiate a return, please complete the return request form and submit it to our customer service team for approval. Returns will be processed once your request has been reviewed and authorized.

  • Do you offer volume discounts?

    Yes. Volume pricing is available for most products in our catalog. Contact our sales team or use the "Request a Quote" feature to get custom pricing for your organization based on your annual purchase volume and specific product needs.

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