Molekula
2,6-Dichlorophenolindophenol sodium salt hydrate
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
2,6-Dichlorophenolindophenol sodium salt hydrate is a redox indicator used in biochemical assays and titrations. It serves as a colorimetric reagent in oxidation-reduction reactions. Available with CAS number 620-45-1, molecular formula C12H6Cl2NNaO2 · 2H2O, and molecular weight 290.09 g/mol. Store at ambient temperature. Signal word: Warning. Molekula supplies 2,6-Dichlorophenolindophenol sodium salt hydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Often bought together
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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25 g — £138.90 per pack ex VAT · £166.68 inc. VAT
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100 g — £374.30 per pack ex VAT · £449.16 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Dark green crystalline powder |
| Loss on Drying | ≤ 14.0% |
| Solubility | Clear, Colourless |
| Assay | ≥ 98.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 10933059 |
| CAS Number | 620-45-1 |
| IUPAC Name | sodium 4-[(3,5-dichloro-4-oxocyclohexa-2,5-dien-1-ylidene)amino]phenolate |
| EC Number | 210-640-4 |
| Molecular Formula | C12H6Cl2NNaO2 · 2H2O |
| Molecular Weight | 290.09 |
| Exact Mass | 288.9673 |
| SMILES | C1=CC(=CC=C1N=C2C=C(C(=O)C(=C2)Cl)Cl)[O-].[Na+] |
| InChIKey | CVSUAFOWIXUYQA-UHFFFAOYSA-M |
| InChI | InChI=1S/C12H7Cl2NO2.Na/c13-10-5-8(6-11(14)12(10)17)15-7-1-3-9(16)4-2-7;/h1-6,16H;/q;+1/p-1 |
| PubChem CID | 23697355 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| Tariff Code | 29252900 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 2,5-Cyclohexadien-1-one, 2,6-dichloro-4-((4-hydroxyphenyl)imino)-, sodium salt
- 2,6-Dichloroindophenol sodium
- 2,6-Dichloroindophenol sodium salt
- 2,6-Dichlorophenol indophenol sodium salt
- Indophenol, 2,6-dichloro-, sodium salt
- Reagent, Tillmans
- Sodium 2,6-dichloroindophenol
- Sodium 2,6-dichloroindophenolate
- Tillman Reagent
- Tillman's reagent
Frequently asked questions
What is 2,6-Dichlorophenolindophenol sodium salt hydrate used for?
It is primarily used as a redox indicator in titrations, especially in vitamin C assays, due to its color change with oxidation state.
What is the chemical formula and molecular weight?
The formula is C12H6Cl2NNaO2 · 2H2O with a molecular weight of 290.09 g/mol.
How should this compound be stored?
Store at ambient temperature, protected from moisture and light.
What grade is available?
Available as analytical grade for laboratory use.
Can Molekula supply this in bulk?
Yes, Molekula can supply this compound in bulk quantities—please contact sales for details.
What documentation comes with the order?
Each order includes a certificate of analysis (CoA) and safety data sheet (SDS).
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.