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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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  • 1-octanesulfonic acid 25g
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    OX0101-2

    1-Octanesulfonic Acid 25G

    Price: $384.54
    List Price: $427.26
    Formula: Mixture (Phosphate) Appearance: Clear, colorless liquid pH at 25°C: (diluted with 24 parts water) 6.99-7.01
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    SKUOX0101-2
    MFR. NameHACH
    Catalog No. C003B-005349
    Pack Size 1 EA
    Price:
    Price: $384.54
    List Price: $427.26
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    Catalog No.
    C003B-005349
    Description
    Formula: Mixture (Phosphate) Appearance: Clear, colorless liquid pH at 25°C: (diluted with 24 parts water) 6.99-7.01
    CAS Number
    5324-84-5
  • 1-octansulfonic acid 100g
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    OX0101-3

    1-Octansulfonic Acid 100G

    Price: $1,159.62
    List Price: $1,288.46
    Formula: Mixture (Phosphate) Appearance: Clear, colorless liquid pH at 25°C: (diluted with 24 parts water) 6.99-7.01
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    SKUOX0101-3
    MFR. NameHACH
    Catalog No. C003B-005822
    Pack Size 1 EA
    Price:
    Price: $1,159.62
    List Price: $1,288.46
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    Product Information

    Catalog No.
    C003B-005822
    Description
    Formula: Mixture (Phosphate) Appearance: Clear, colorless liquid pH at 25°C: (diluted with 24 parts water) 6.99-7.01
    CAS Number
    5324-84-5
  • 2,5-dichloro-4-nitroaniline (c09-0838-046)
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    D135996-1g

    2,5-Dichloro-4-nitroaniline (C007B-116328)

    Price: $19.80
    List Price: $22.00
    It is primary aniline indicator.Its pKa in sulfonate and water are -2.12 and -1.78, respectively.It may be employed as an indicator for the estimation of acidity of strong acids.
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    SKUD135996-1g
    MFR. NameAladdin Scientific
    Catalog No. C007B-116328
    Pack Size 1 EA
    Price:
    Price: $19.80
    List Price: $22.00
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    Product Information

    Catalog No.
    C007B-116328
    Description
    It is primary aniline indicator.Its pKa in sulfonate and water are -2.12 and -1.78, respectively.It may be employed as an indicator for the estimation of acidity of strong acids.
    CAS Number
    6627-34-5
  • 2,5-dichloro-4-nitroaniline (c09-0838-047)
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    D135996-25g

    2,5-Dichloro-4-nitroaniline (C007B-116329)

    Price: $103.80
    List Price: $115.33
    It is primary aniline indicator.Its pKa in sulfonate and water are -2.12 and -1.78, respectively.It may be employed as an indicator for the estimation of acidity of strong acids.
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    SKUD135996-25g
    MFR. NameAladdin Scientific
    Catalog No. C007B-116329
    Pack Size 1 EA
    Price:
    Price: $103.80
    List Price: $115.33
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    Product Information

    Catalog No.
    C007B-116329
    Description
    It is primary aniline indicator.Its pKa in sulfonate and water are -2.12 and -1.78, respectively.It may be employed as an indicator for the estimation of acidity of strong acids.
    CAS Number
    6627-34-5
  • 2,5-dichloro-4-nitroaniline (c09-0838-048)
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    D135996-5g

    2,5-Dichloro-4-nitroaniline (C007B-116330)

    Price: $33.80
    List Price: $37.56
    It is primary aniline indicator.Its pKa in sulfonate and water are -2.12 and -1.78, respectively.It may be employed as an indicator for the estimation of acidity of strong acids.
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    SKUD135996-5g
    MFR. NameAladdin Scientific
    Catalog No. C007B-116330
    Pack Size 1 EA
    Price:
    Price: $33.80
    List Price: $37.56
    Quantity:
     
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    Product Information

    Catalog No.
    C007B-116330
    Description
    It is primary aniline indicator.Its pKa in sulfonate and water are -2.12 and -1.78, respectively.It may be employed as an indicator for the estimation of acidity of strong acids.
    CAS Number
    6627-34-5
  • 2-chloroethyl p-toluenesulfonate (c09-0803-555)
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    C153676-100g

    2-Chloroethyl p-Toluenesulfonate (C007B-085338)

    Price: $197.13
    List Price: $219.04
    Product Application:2-Chloroethyl p-toluenesulfonate was used to develop method for the determination of a variety of hydrophobic aromatic sulfonates by micellar electrokinetic chromatography.
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    SKUC153676-100g
    MFR. NameAladdin Scientific
    Catalog No. C007B-085338
    Pack Size 1 EA
    Price:
    Price: $197.13
    List Price: $219.04
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    Product Information

    Catalog No.
    C007B-085338
    Description
    Product Application:2-Chloroethyl p-toluenesulfonate was used to develop method for the determination of a variety of hydrophobic aromatic sulfonates by micellar electrokinetic chromatography.
    CAS Number
    80-41-1
  • 2-chloroethyl p-toluenesulfonate (c09-0803-556)
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    C153676-1g

    2-Chloroethyl p-Toluenesulfonate (C007B-085339)

    Price: $23.80
    List Price: $26.44
    Product Application:2-Chloroethyl p-toluenesulfonate was used to develop method for the determination of a variety of hydrophobic aromatic sulfonates by micellar electrokinetic chromatography.
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    SKUC153676-1g
    MFR. NameAladdin Scientific
    Catalog No. C007B-085339
    Pack Size 1 EA
    Price:
    Price: $23.80
    List Price: $26.44
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    Product Information

    Catalog No.
    C007B-085339
    Description
    Product Application:2-Chloroethyl p-toluenesulfonate was used to develop method for the determination of a variety of hydrophobic aromatic sulfonates by micellar electrokinetic chromatography.
    CAS Number
    80-41-1
  • 2-chloroethyl p-toluenesulfonate (c09-0803-557)
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    C153676-25g

    2-Chloroethyl p-Toluenesulfonate (C007B-085340)

    Price: $95.80
    List Price: $106.44
    Product Application:2-Chloroethyl p-toluenesulfonate was used to develop method for the determination of a variety of hydrophobic aromatic sulfonates by micellar electrokinetic chromatography.
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    SKUC153676-25g
    MFR. NameAladdin Scientific
    Catalog No. C007B-085340
    Pack Size 1 EA
    Price:
    Price: $95.80
    List Price: $106.44
    Quantity:
     
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    Product Information

    Catalog No.
    C007B-085340
    Description
    Product Application:2-Chloroethyl p-toluenesulfonate was used to develop method for the determination of a variety of hydrophobic aromatic sulfonates by micellar electrokinetic chromatography.
    CAS Number
    80-41-1
  • 2-chloroethyl p-toluenesulfonate (c09-0803-558)
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    C153676-500g

    2-Chloroethyl p-Toluenesulfonate (C007B-085341)

    Price: $553.07
    List Price: $614.53
    Product Application:2-Chloroethyl p-toluenesulfonate was used to develop method for the determination of a variety of hydrophobic aromatic sulfonates by micellar electrokinetic chromatography.
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    SKUC153676-500g
    MFR. NameAladdin Scientific
    Catalog No. C007B-085341
    Pack Size 1 EA
    Price:
    Price: $553.07
    List Price: $614.53
    Quantity:
     
    The item has been added

    Product Information

    Catalog No.
    C007B-085341
    Description
    Product Application:2-Chloroethyl p-toluenesulfonate was used to develop method for the determination of a variety of hydrophobic aromatic sulfonates by micellar electrokinetic chromatography.
    CAS Number
    80-41-1
  • 2-chloroethyl p-toluenesulfonate (c09-0803-559)
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    C153676-5g

    2-Chloroethyl p-Toluenesulfonate (C007B-085342)

    Price: $39.80
    List Price: $44.22
    Product Application:2-Chloroethyl p-toluenesulfonate was used to develop method for the determination of a variety of hydrophobic aromatic sulfonates by micellar electrokinetic chromatography.
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    SKUC153676-5g
    MFR. NameAladdin Scientific
    Catalog No. C007B-085342
    Pack Size 1 EA
    Price:
    Price: $39.80
    List Price: $44.22
    Quantity:
     
    The item has been added

    Product Information

    Catalog No.
    C007B-085342
    Description
    Product Application:2-Chloroethyl p-toluenesulfonate was used to develop method for the determination of a variety of hydrophobic aromatic sulfonates by micellar electrokinetic chromatography.
    CAS Number
    80-41-1
  • 2-ethylhexyl phosphate (mono- and di- ester mixture) (c09-0877-186)
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    E302314-100g

    2-Ethylhexyl Phosphate (Mono- and Di- Ester mixture) (C007B-152768)

    Price: $59.80
    List Price: $66.44
    2-Ethylhexyl Phosphate (Mono- and Di- Ester mixture).
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    SKUE302314-100g
    MFR. NameAladdin Scientific
    Catalog No. C007B-152768
    Pack Size 1 EA
    Price:
    Price: $59.80
    List Price: $66.44
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    Product Information

    Catalog No.
    C007B-152768
    Description
    2-Ethylhexyl Phosphate (Mono- and Di- Ester mixture).
    CAS Number
    12645-31-7
  • 2-ethylhexyl phosphate (mono- and di- ester mixture) (c09-0877-187)
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    E302314-25g

    2-Ethylhexyl Phosphate (Mono- and Di- Ester mixture) (C007B-152769)

    Price: $21.80
    List Price: $24.22
    2-Ethylhexyl Phosphate (Mono- and Di- Ester mixture).
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    SKUE302314-25g
    MFR. NameAladdin Scientific
    Catalog No. C007B-152769
    Pack Size 1 EA
    Price:
    Price: $21.80
    List Price: $24.22
    Quantity:
     
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    Product Information

    Catalog No.
    C007B-152769
    Description
    2-Ethylhexyl Phosphate (Mono- and Di- Ester mixture).
    CAS Number
    12645-31-7
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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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