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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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  • pyruvic acid (c09-1017-587)
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    P421121-1ml

    Pyruvic acid (C007B-248827)

    Price: $138.29
    List Price: $153.65
    Pyruvic acid was used to study the cultivation of previously undescribed soil bacteria as micro colonies using soil substrate membrane system. Pyruvic acid was used to develop a new method for simultaneous determination of organic acids in red wine
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    SKUP421121-1ml
    MFR. NameAladdin Scientific
    Catalog No. C007B-248827
    Pack Size 1 EA
    Price:
    Price: $138.29
    List Price: $153.65
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    Product Information

    Catalog No.
    C007B-248827
    Description
    Pyruvic acid was used to study the cultivation of previously undescribed soil bacteria as micro colonies using soil substrate membrane system. Pyruvic acid was used to develop a new method for simultaneous determination of organic acids in red wine
    CAS Number
    127-17-3
  • pyruvic acid (c09-0999-491)
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    P104136-100g

    Pyruvic acid (C007B-399264)

    Price: $27.80
    List Price: $30.89
    Pyruvic acid was used to study the cultivation of previously undescribed soil bacteria as micro colonies using soil substrate membrane system. Pyruvic acid was used to develop a new method for simultaneous determination of organic acids in red wine
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    SKUP104136-100g
    MFR. NameAladdin Scientific
    Catalog No. C007B-399264
    Pack Size 1 EA
    Price:
    Price: $27.80
    List Price: $30.89
    Quantity:
     
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    Product Information

    Catalog No.
    C007B-399264
    Description
    Pyruvic acid was used to study the cultivation of previously undescribed soil bacteria as micro colonies using soil substrate membrane system. Pyruvic acid was used to develop a new method for simultaneous determination of organic acids in red wine
    CAS Number
    127-17-3
  • pyruvic acid (c09-0999-492)
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    P104136-25g

    Pyruvic acid (C007B-399265)

    Price: $19.80
    List Price: $22.00
    Pyruvic acid was used to study the cultivation of previously undescribed soil bacteria as micro colonies using soil substrate membrane system. Pyruvic acid was used to develop a new method for simultaneous determination of organic acids in red wine
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    SKUP104136-25g
    MFR. NameAladdin Scientific
    Catalog No. C007B-399265
    Pack Size 1 EA
    Price:
    Price: $19.80
    List Price: $22.00
    Quantity:
     
    The item has been added

    Product Information

    Catalog No.
    C007B-399265
    Description
    Pyruvic acid was used to study the cultivation of previously undescribed soil bacteria as micro colonies using soil substrate membrane system. Pyruvic acid was used to develop a new method for simultaneous determination of organic acids in red wine
    CAS Number
    127-17-3
  • pyruvic acid (c09-0999-493)
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    P104136-500g

    Pyruvic acid (C007B-399266)

    Price: $93.80
    List Price: $104.22
    Pyruvic acid was used to study the cultivation of previously undescribed soil bacteria as micro colonies using soil substrate membrane system. Pyruvic acid was used to develop a new method for simultaneous determination of organic acids in red wine
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    SKUP104136-500g
    MFR. NameAladdin Scientific
    Catalog No. C007B-399266
    Pack Size 1 EA
    Price:
    Price: $93.80
    List Price: $104.22
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    Catalog No.
    C007B-399266
    Description
    Pyruvic acid was used to study the cultivation of previously undescribed soil bacteria as micro colonies using soil substrate membrane system. Pyruvic acid was used to develop a new method for simultaneous determination of organic acids in red wine
    CAS Number
    127-17-3
  • quinaldine red indicator reagent ph eur, 5 g
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    1.02282.0005

    Quinaldine Red Indicator Reagent Ph Eur, 5 g

    Price: $950.76
    List Price: $1,056.40
    Grade: Reag. Ph Eur CAS No.: 117-92-0 Solubility: (20°C) practically insoluble Melting Point: 240°C (decomposition) Molar Mass: 430.33 g/mol Bulk Density: 290 kg/m3 Hill Formula: C21H23IN2
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    SKU1.02282.0005
    MFR. NameHACH
    Catalog No. C003B-231660
    Pack Size 1 EA
    Price:
    Price: $950.76
    List Price: $1,056.40
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    Catalog No.
    C003B-231660
    Description
    Grade: Reag. Ph Eur CAS No.: 117-92-0 Solubility: (20°C) practically insoluble Melting Point: 240°C (decomposition) Molar Mass: 430.33 g/mol Bulk Density: 290 kg/m3 Hill Formula: C21H23IN2
    CAS Number
    117-92-0
  • reagent refill, r-4491-dr
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    R-4491-DR

    Reagent Refill, R-4491-DR

    Price: $81.54
    List Price: $90.60
    Direct Reading Titrator Method (9859A70 and A71) For determining total (T) alkalinity in water Range of 0 to 200 ppm as CaCO<sub>3</sub> in 4 ppm increments Employs APHA Method 403. Sufficient for 50 tests at 200 ppm.
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    SKUR-4491-DR
    MFR. NameLAMOTTE CHEMICAL
    Catalog No. C003B-021094
    Pack Size 1 EA
    Price:
    Price: $81.54
    List Price: $90.60
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    Catalog No.
    C003B-021094
    Description
    Direct Reading Titrator Method (9859A70 and A71) For determining total (T) alkalinity in water Range of 0 to 200 ppm as CaCO<sub>3</sub> in 4 ppm increments Employs APHA Method 403. Sufficient for 50 tests at 200 ppm.
  • reflectoquant ph test in cooling lubricants method, 7.0: reflectometric with test strips
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    1.16898.0001

    Reflectoquant pH Test in cooling lubricants Method, 7.0: reflectometric with test strips

    Price: $174.67
    List Price: $194.08
    Reflectoquantr pH Test in cooling lubricants Method, 7.0: re
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    SKU1.16898.0001
    MFR. NameHACH
    Catalog No. C003B-228668
    Pack Size 1 EA
    Price:
    Price: $174.67
    List Price: $194.08
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    Catalog No.
    C003B-228668
    Description
    Reflectoquantr pH Test in cooling lubricants Method, 7.0: re
  • rhodanine indicator, 0.02 percent solution
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    LC222507

    Rhodanine Indicator, 0.02 Percent Solution

    Price: $168.84
    List Price: $187.60
    Rhodanine Indicator, 0.02 Percent Solution - Ungraded products are indicative of a grade suitable for general industrial use or research purposes and typically are not suitable for human consumption or therapeutic use. </p>
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    SKULC222507
    MFR. NameLabChem
    Catalog No. C062B-058524
    Pack Size 1 EA
    Price:
    Price: $168.84
    List Price: $187.60
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    Product Information

    Catalog No.
    C062B-058524
    Description
    Rhodanine Indicator, 0.02 Percent Solution - Ungraded products are indicative of a grade suitable for general industrial use or research purposes and typically are not suitable for human consumption or therapeutic use. </p>
  • rosolic acid (c09-1023-076)
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    R110705-100g

    Rosolic acid (C007B-253607)

    Price: $243.92
    List Price: $271.02
    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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    SKUR110705-100g
    MFR. NameAladdin Scientific
    Catalog No. C007B-253607
    Pack Size 1 EA
    Price:
    Price: $243.92
    List Price: $271.02
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    Catalog No.
    C007B-253607
    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 (c09-1023-077)
    Add to Cart The item has been added
    R110705-25g

    Rosolic acid (C007B-253608)

    Price: $103.67
    List Price: $115.19
    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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    SKUR110705-25g
    MFR. NameAladdin Scientific
    Catalog No. C007B-253608
    Pack Size 1 EA
    Price:
    Price: $103.67
    List Price: $115.19
    Quantity:
     
    The item has been added

    Product Information

    Catalog No.
    C007B-253608
    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 (c09-1023-078)
    Add to Cart The item has been added
    R110705-5g

    Rosolic acid (C007B-253609)

    Price: $31.80
    List Price: $35.33
    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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    SKUR110705-5g
    MFR. NameAladdin Scientific
    Catalog No. C007B-253609
    Pack Size 1 EA
    Price:
    Price: $31.80
    List Price: $35.33
    Quantity:
     
    The item has been added

    Product Information

    Catalog No.
    C007B-253609
    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 (c09-1023-079)
    Add to Cart The item has been added
    R110706-100g

    Rosolic acid (C007B-253610)

    Price: $481.99
    List Price: $535.54
    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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    SKUR110706-100g
    MFR. NameAladdin Scientific
    Catalog No. C007B-253610
    Pack Size 1 EA
    Price:
    Price: $481.99
    List Price: $535.54
    Quantity:
     
    The item has been added

    Product Information

    Catalog No.
    C007B-253610
    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
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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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