Molekula
Chromeazurol B
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
Chromeazurol B is a chromogenic reagent used in analytical chemistry for the detection and quantification of metal ions, particularly aluminum and iron. It functions as a colorimetric indicator in complexometric titrations. Available with a CAS number of 1796-92-5, its molecular formula is C23H14Cl2Na2O6 and molecular weight is 503.24 g/mol. It is stable at ambient storage conditions and has no signal word. Molekula supplies Chromeazurol B 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.
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.
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1 g — £45.20 per pack ex VAT · £54.24 inc. VAT
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Specifications
| Property | Value |
|---|---|
| Appearance | brown powder |
| Assay | 98%-102% |
| Moisture | ≤5% |
| Water insoluble matter | ≤0.5% |
| Fineness degree(by 80 mesh sieve residue) | ≤5% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 89995933 |
| CAS Number | 1796-92-5 |
| IUPAC Name | disodium;5-[(E)-(3-carboxy-5-methyl-4-oxocyclohexa-2,5-dien-1-ylidene)-(2,6-dichlorophenyl)methyl]-3-methyl-2-oxidobenzoate |
| Molecular Formula | C23H14Cl2Na2O6 |
| Molecular Weight | 503.24 |
| Exact Mass | 501.9963 |
| SMILES | CC1=CC(=CC(=C1[O-])C(=O)[O-])/C(=C\2/C=C(C(=O)C(=C2)C(=O)O)C)/C3=C(C=CC=C3Cl)Cl.[Na+].[Na+] |
| InChIKey | JROAZQFKSSYEBL-YWABOPJLSA-L |
| InChI | InChI=1S/C23H16Cl2O6.2Na/c1-10-6-12(8-14(20(10)26)22(28)29)18(19-16(24)4-3-5-17(19)25)13-7-11(2)21(27)15(9-13)23(30)31;;/h3-9,26H,1-2H3,(H,28,29)(H,30,31);;/q;2*+1/p-2/b18-13+;; |
| PubChem CID | 54694373 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 2918303000 |
| Tariff Code | 2918999090 |
Safety & GHS
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
Documents
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
- acid solochrome azurine
- C23H14Cl2Na2O6
- Chromazurol B
- Chrome Pure Blue BX
- Mordant Blue 1
- Solochrome Azurine
Frequently asked questions
What is Chromeazurol B used for?
Chromeazurol B is primarily used as a chromogenic reagent in analytical chemistry for the detection and quantification of metal ions, particularly aluminum and iron.
What is the chemical formula and molecular weight of Chromeazurol B?
The formula is C23H14Cl2Na2O6 with a molecular weight of 503.24 g/mol.
How should Chromeazurol B be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade of Chromeazurol B is available?
Molekula supplies Chromeazurol B in analytical grade.
Can Molekula supply Chromeazurol B in bulk?
Yes, Molekula can supply Chromeazurol B in bulk quantities upon request.
What documentation comes with a Chromeazurol B order?
Each order includes a Certificate of Analysis 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.