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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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  • ph test for cooling lubricants ph 7.0 - (c15-1297-342)
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    1168990001

    PH TEST FOR COOLING LUBRICANTS PH 7.0 - (C005B-094527)

    Price: $309.71
    List Price: $344.12
    Method: Reflectometric with test strips and reagents, 5.0 - 20.
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    SKU1168990001
    MFR. NameSigma-Aldrich
    Catalog No. C005B-094527
    Pack Size 50 TE
    Price:
    Price: $309.71
    List Price: $344.12
    Quantity:
     
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    Product Information

    Catalog No.
    C005B-094527
    Description
    Method: Reflectometric with test strips and reagents, 5.0 - 20.
  • ph, phenol red indicator, 60ml
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    7037-H

    pH, Phenol Red Indicator, 60mL

    Price: $85.78
    List Price: $95.32
    Replacement LaMotte pH Indicator reagent. This replacement reagent has a bottle size of 2 oz. This pH Indicator Reagent is for use with the ColorQ Digital Photometer Test Kits.
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    SKU7037-H
    MFR. NameLAMOTTE CHEMICAL
    Catalog No. C003B-254279
    Pack Size 1 EA
    Price:
    Price: $85.78
    List Price: $95.32
    Quantity:
     
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    Product Information

    Catalog No.
    C003B-254279
    Description
    Replacement LaMotte pH Indicator reagent. This replacement reagent has a bottle size of 2 oz. This pH Indicator Reagent is for use with the ColorQ Digital Photometer Test Kits.
  • ph, phenol red method, reagent kit for 1
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    HI93710-01

    pH, phenol red method, Reagent kit for 1

    Price: $139.41
    List Price: $154.90
    pH, phenol red method, Reagent kit for 1
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    SKUHI93710-01
    MFR. NameHANNA INSTRUMENTS
    Catalog No. C003B-233789
    Pack Size 1 EA
    Price:
    Price: $139.41
    List Price: $154.90
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    Product Information

    Catalog No.
    C003B-233789
    Description
    pH, phenol red method, Reagent kit for 1
  • ph-indicator solution ph 9.0 - 13.0
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    P476175-100ml

    pH-indicator solution pH 9.0 - 13.0

    Price: $526.76
    List Price: $585.29
    pH-indicator solution pH 9.0 - 13.0.
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    SKUP476175-100ml
    MFR. NameAladdin Scientific
    Catalog No. C007B-250537
    Pack Size 1 EA
    Price:
    Price: $526.76
    List Price: $585.29
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    Catalog No.
    C007B-250537
    Description
    pH-indicator solution pH 9.0 - 13.0.
  • phenol red sodium salt indicator acs, 5 g
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    1.11748.0005

    Phenol Red Sodium Salt Indicator ACS, 5 g

    Price: $377.93
    List Price: $419.92
    Grade: ACS CAS No.: 34487-61-1 Solubility: 100 g/l (20°C) Melting Point: 285°C Molar Mass: 376.35 g/mol Hill Formula: C19H13NaO5S
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    SKU1.11748.0005
    MFR. NameHACH
    Catalog No. C003B-230051
    Pack Size 1 EA
    Price:
    Price: $377.93
    List Price: $419.92
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    Catalog No.
    C003B-230051
    Description
    Grade: ACS CAS No.: 34487-61-1 Solubility: 100 g/l (20°C) Melting Point: 285°C Molar Mass: 376.35 g/mol Hill Formula: C19H13NaO5S
    CAS Number
    34487-61-1
  • phenol red ts 500 ml un1987
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    5723-16

    Phenol Red TS 500 mL UN1987

    Price: $135.05
    List Price: $150.06
    The Ricca Chemical 0.1% w/v phenol red TS is useful for monitoring the pH levels in numerous cell and tissue culture media. It can also be used as a pH indicator while doing titration procedures in laboratories.
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    SKU5723-16
    MFR. NameRICCA CHEMICALS
    Catalog No. C003B-140757
    Pack Size 1 EA
    Price:
    Price: $135.05
    List Price: $150.06
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    Product Information

    Catalog No.
    C003B-140757
    Description
    The Ricca Chemical 0.1% w/v phenol red TS is useful for monitoring the pH levels in numerous cell and tissue culture media. It can also be used as a pH indicator while doing titration procedures in laboratories.
  • phenol standard, 1000ppm (1ml=1mg), 500ml
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    P6167-500

    Phenol Standard, 1000ppm (1ml=1mg), 500ml

    Price: $124.91
    List Price: $138.79
    APHA, 1000ppm (1ml=1mg)
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    SKUP6167-500
    MFR. NameEXAXOL CHEMICAL
    Catalog No. C003B-131927
    Pack Size 1 EA
    Price:
    Price: $124.91
    List Price: $138.79
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    Catalog No.
    C003B-131927
    Description
    APHA, 1000ppm (1ml=1mg)
  • phenol-4-sulfonic acid (65% solution in (c15-1310-114)
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    8400151000

    PHENOL-4-SULFONIC ACID (65% SOLUTION IN (C005B-234290)

    Price: $300.11
    List Price: $333.46
    Analysis Note Assay (acidimetric): 65.0 - 75.
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    SKU8400151000
    MFR. NameSigma-Aldrich
    Catalog No. C005B-234290
    Pack Size 1 LI
    Price:
    Price: $300.11
    List Price: $333.46
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    Catalog No.
    C005B-234290
    Description
    Analysis Note Assay (acidimetric): 65.0 - 75.
  • phenolphthalein (c15-1280-627)
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    105945-100G

    PHENOLPHTHALEIN A.C.S. REAGENT (C005B-078877)

    Price: $117.77
    List Price: $130.86
    Phenolphthalein is an indicator for acid-base titration reactions. It changes from colorless to violet-red between pH 8.
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    SKU105945-100G
    MFR. NameSigma-Aldrich
    Catalog No. C005B-078877
    Pack Size 100 GR
    Price:
    Price: $117.77
    List Price: $130.86
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    Catalog No.
    C005B-078877
    Description
    Phenolphthalein is an indicator for acid-base titration reactions. It changes from colorless to violet-red between pH 8.
    CAS Number
    77-09-8
  • phenolphthalein (c15-1280-628)
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    105945-2.5KG

    PHENOLPHTHALEIN A.C.S. REAGENT (C005B-078878)

    Price: $919.31
    List Price: $1,021.46
    Phenolphthalein is an indicator for acid-base titration reactions. It changes from colorless to violet-red between pH 8.
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    SKU105945-2.5KG
    MFR. NameSigma-Aldrich
    Catalog No. C005B-078878
    Pack Size 3 KG
    Price:
    Price: $919.31
    List Price: $1,021.46
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    Product Information

    Catalog No.
    C005B-078878
    Description
    Phenolphthalein is an indicator for acid-base titration reactions. It changes from colorless to violet-red between pH 8.
    CAS Number
    77-09-8
  • phenolphthalein (c15-1280-629)
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    105945-500G

    PHENOLPHTHALEIN A.C.S. REAGENT (C005B-078879)

    Price: $343.24
    List Price: $381.38
    Phenolphthalein is an indicator for acid-base titration reactions. It changes from colorless to violet-red between pH 8.
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    SKU105945-500G
    MFR. NameSigma-Aldrich
    Catalog No. C005B-078879
    Pack Size 500 GR
    Price:
    Price: $343.24
    List Price: $381.38
    Quantity:
     
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    Product Information

    Catalog No.
    C005B-078879
    Description
    Phenolphthalein is an indicator for acid-base titration reactions. It changes from colorless to violet-red between pH 8.
    CAS Number
    77-09-8
  • phl p 1.0102 (c09-1021-189)
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    P572905-1mg

    Phl p 1.0102 (C007B-251904)

    Price: $5,510.92
    List Price: $6,123.25
    Biochemical Test:SDS-PAGE (purity &gt: 80%): Western blot with patient sample.Calculated Isoelectric Point:pH 6.70.
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    SKUP572905-1mg
    MFR. NameAladdin Scientific
    Catalog No. C007B-251904
    Pack Size 1 EA
    Price:
    Price: $5,510.92
    List Price: $6,123.25
    Quantity:
     
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    Product Information

    Catalog No.
    C007B-251904
    Description
    Biochemical Test:SDS-PAGE (purity &gt: 80%): Western blot with patient sample.Calculated Isoelectric Point:pH 6.70.
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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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