Sodium 2,6-dichloroindophenolate hydrate
Sodium 2,6-dichloroindophenolate hydrate (CAS 620-45-1) is a chemical compound supplied by Tech Serve Solutions. This ACS reagent grade material is primarily utilised as an analytical reagent, notably in biochemical assays and for vitamin C determination. Its molecular weight is approximately 290.08 g/mol on an anhydrous basis. TSS ensures this product meets stringent quality standards for reliable laboratory and research applications.
- IUPAC
- 2,6-Dichloro-N-(4-hydroxyphenyl)-1,4-benzoquinoneimine sodium salt,2,6-Dichloroindophenol sodium salt hydrate,2,6-Dichlorophenolindophenol sodium salt hydrate
- Synonyms
- C12H6Cl2NNaO2 · xH2O2,6-Dichloro-N-(4-hydroxyphenyl)-1,4-benzoquinoneimine sodium salt2,6-Dichloroindophenol sodium salt hydrate2,6-Dichlorophenolindophenol sodium salt hydrate

Biochemical Assays
This compound serves as a redox indicator in various biochemical studies. It is particularly valuable for the determination of sulfhydryl groups and for monitoring enzymatic reactions that involve electron transfer.
Vitamin C Determination
Sodium 2,6-dichloroindophenolate hydrate is a standard reagent for the quantitative analysis of ascorbic acid (Vitamin C). The reaction forms a stable, coloured complex, allowing for spectrophotometric measurement.
Analytical Indicator
Its distinct colour change upon reduction makes it a useful indicator in titrations and other analytical procedures requiring a visual or spectrophotometric endpoint.
| Molecular weight | 290.08 (anhydrous basis) |
|---|---|
| Empirical formula | C12H6Cl2NNaO2 · xH2O |
| Assay | ≥75% anhydrous basis |
| Grade | ACS reagent |
| Loss on drying | ≤12.0% loss on drying |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Absorption | λmax 605 nm |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Sodium 2,6-dichloroindophenolate hydrate used for?
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This compound is primarily used as an analytical reagent, particularly for the determination of ascorbic acid (Vitamin C) and in biochemical assays as a redox indicator.
What are the CAS number and formula for Sodium 2,6-dichloroindophenolate hydrate?
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The CAS number is 620-45-1. The empirical formula is C12H6Cl2NNaO2 · xH2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product as an ACS reagent grade with an assay of ≥75% on an anhydrous basis and a loss on drying of ≤12.0%.
How should Sodium 2,6-dichloroindophenolate hydrate be handled safely?
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Appropriate personal protective equipment, including eyeshields and gloves, should be worn. A type N95 (US) or type P1 (EN143) respirator filter is recommended. This compound is classified under WGK Germany 3.
How is this chemical packed and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, ensuring compliant packing and shipping procedures for international distribution.
How can I request a sample or quote?
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Please contact our sales team via the website or direct line to request a sample or obtain a quotation for Sodium 2,6-dichloroindophenolate hydrate.
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