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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.

  
  • phosphoric acid solution (c15-1691-903)
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    W290017-25KG-K

    PHOSPHORIC ACID SOLUTION 85 WT. % IN H2O FCC FG (C005B-282149)

    Price: $748.44
    List Price: $831.60
    Other Notes Concentrated phosphoric acid is approx. 85% H 3 PO 4 (aqueous).
    SKUW290017-25KG-K
    MFR. NameSigma-Aldrich
    Catalog No. C005B-282149
    Pack Size 25 KG
    Price:
    Price: $748.44
    List Price: $831.60
    Quantity:
     
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  • phosphoric acid solution (c15-1691-904)
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    W290017-1KG-K

    PHOSPHORIC ACID SOLUTION 85 WT. % IN H2O FCC FG (C005B-282150)

    Price: $189.86
    List Price: $210.95
    Other Notes Concentrated phosphoric acid is approx. 85% H 3 PO 4 (aqueous).
    SKUW290017-1KG-K
    MFR. NameSigma-Aldrich
    Catalog No. C005B-282150
    Pack Size 1 KG
    Price:
    Price: $189.86
    List Price: $210.95
    Quantity:
     
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  • phosphoric acid solution (c15-1691-905)
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    W290017-10KG-K

    PHOSPHORIC ACID SOLUTION 85 WT. % IN H2O FCC FG (C005B-282151)

    Price: $459.35
    List Price: $510.38
    Other Notes Concentrated phosphoric acid is approx. 85% H 3 PO 4 (aqueous).
    SKUW290017-10KG-K
    MFR. NameSigma-Aldrich
    Catalog No. C005B-282151
    Pack Size 10 KG
    Price:
    Price: $459.35
    List Price: $510.38
    Quantity:
     
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  • phosphoric acid solution, 85 wt. % in water  10l
    211205-10L

    Phosphoric acid solution, 85 wt. % in water 10L

    Price: $1,457.69
    List Price: $1,619.65
    CAS: 7664-38-2 EC No: 231-633-2 MDL No: MFCD00011340 RTECS: TB6300000 UN No: UN1805 Haz Class: 8 Packing Group: III Liquid Linear Formula: H<sub>3</sub>PO<sub>4</sub> MW: 98.00 Melting Point: 19-21&deg Density (g/mL): 1.685 Refractive Index: 1.431
    SKU211205-10L
    MFR. NameBEANTOWN CHEMICAL
    Catalog No. C003B-348655
    Pack Size 1 EA
    Price:
    Price: $1,457.69
    List Price: $1,619.65
    Quantity:
     
  • phosphoric acid solution, 85 wt. % in water  2.5l
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    211205-2.5L

    Phosphoric acid solution, 85 wt. % in water 2.5L

    Price: $322.17
    List Price: $357.97
    CAS: 7664-38-2 EC No: 231-633-2 MDL No: MFCD00011340 RTECS: TB6300000 UN No: UN1805 Haz Class: 8 Packing Group: III Liquid Linear Formula: H<sub>3</sub>PO<sub>4</sub> MW: 98.00 Melting Point: 19-21&deg Density (g/mL): 1.685 Refractive Index: 1.431
    SKU211205-2.5L
    MFR. NameBEANTOWN CHEMICAL
    Catalog No. C003B-095541
    Pack Size 1 EA
    Price:
    Price: $322.17
    List Price: $357.97
    Quantity:
     
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  • phosphorus standard solution
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    P3869-25ML

    PHOSPHORUS STANDARD SOLUTION

    Price: $191.50
    List Price: $212.78
    Components Phosphorus (as KH 2 PO 4 ), 20 &#956:g/mL in 0.05&nbsp:N HCl.
    SKUP3869-25ML
    MFR. NameSigma-Aldrich
    Catalog No. C005B-439514
    Pack Size 25 ML
    Price:
    Price: $191.50
    List Price: $212.78
    Quantity:
     
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  • phthalate esters standard (phe) various concentrations acetone 1x1ml
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    EPA-2037N-1

    Phthalate Esters Standard (PHE) various concentrations acetone 1X1ML

    Price: $140.19
    List Price: $155.77
    Analyte: Bis(2-ethylhexyl) phthalate, CAS Number: 117-81-7 Analyte: Butyl benzyl phthalate, CAS Number: 85-68-7 Analyte: Di-n-butyl phthalate, CAS Number: 84-74-2 Analyte: Diethyl phthalate, CAS Number: 84-66-2 Analyte: Dimethyl phthalate, CAS
    SKUEPA-2037N-1
    MFR. NameULTRA SCIENTIFIC
    Catalog No. C003B-486948
    Pack Size 1 EA
    Price:
    Price: $140.19
    List Price: $155.77
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  • phthalimide for synthesis
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    8073039050

    PHTHALIMIDE FOR SYNTHESIS

    Price: $5,872.93
    List Price: $6,525.47
    Analysis Note Assay (acidimetric): &#8805 99.0 % Melting range (lower value): &#8805 233 &#176C Melting range (upper value): &#8804 236 &#176C Identity (IR): passes test
    SKU8073039050
    MFR. NameSigma-Aldrich
    Catalog No. C005B-082721
    Pack Size 50 KG
    Price:
    Price: $5,872.93
    List Price: $6,525.47
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  • pipes, 100g (c08-0566-065)
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    P40140-100.0

    PIPES, 100g (C003B-139165)

    Price: $300.91
    List Price: $334.34
    Heavy metals: &lt10 ppm pka (25&degC): 6.8 The working pH range in aqueous solution is 6.5-7.5.
    SKUP40140-100.0
    MFR. NameRPI (RESEARCH PRODUCTS INTERNATIONAL)
    Catalog No. C003B-139165
    Pack Size 1 EA
    Price:
    Price: $300.91
    List Price: $334.34
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  • plan achromat phase uc ph 20x/0.45 (wd0.8mm) ph2
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    1101001706491

    Plan Achromat Phase UC PH 20X/0.45 (WD0.8mm) Ph2

    Price: $811.06
    List Price: $901.17
    Plan Achromat Phase UC PH 20X/0.45 (WD0.8mm) Ph2
    SKU1101001706491
    MFR. NameMOTIC INSTRUMENTS
    Catalog No. C003B-539063
    Pack Size 1 EA
    Price:
    Price: $811.06
    List Price: $901.17
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  • poly(2-(diisopropylamino)ethyl methacrylate) (c15-1312-367)
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    910457-1G

    POLY(2-(DIISOPROPYLAMINO)ETHYL METHACRYLATE) AVERAGE MN 10 000 (C005B-236326)

    Price: $660.50
    List Price: $733.89
    Application Poly(2-(diisopropylamino)ethyl methacrylate) is a pH-responsvie polymer. pH-Responsive polymers are a group of stimuli-responsive polymers that can respond to solution pH by undergoing structural and property changes such as surface
    SKU910457-1G
    MFR. NameSigma-Aldrich
    Catalog No. C005B-236326
    Pack Size 1 GR
    Price:
    Price: $660.50
    List Price: $733.89
    Quantity:
     
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  • potassium benzoate >=99%  fg (c15-1689-620)
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    W700211-SAMPLE-K

    POTASSIUM BENZOATE >=99% FG (C005B-280054)

    Price: $158.70
    List Price: $176.33
    Other Notes Download our Flavors and Fragrances Catalog to view our entire product line. Subscribe to our Newsletter to keep up to date on our latest Flavors and Fragrances offerings.
    SKUW700211-SAMPLE-K
    MFR. NameSigma-Aldrich
    Catalog No. C005B-280054
    Pack Size 1 EA
    Price:
    Price: $158.70
    List Price: $176.33
    Quantity:
     
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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.