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Cayman Indigo Carmine, 2-(1,3-Dihydro-3-Oxo-5-Sulfo-2h-Indol-2-Yl
Cayman Indigo Carmine, 2-(1,3-Dihydro-3-Oxo-5-Sulfo-2h-Indol-2-Ylidene)-2,3-Dihydro-3-Oxo-1h-Indole-5-Sulfonic Acid, Disodium Salt, 25 G - CAYM (Additional S&H Or Hazmat Fees May Apply)
List Price
$32.00
Your Price
$32.00
HOW MUCH YOU SAVE:
0.00 %
| NETA PART: | CAYM-31525-25 |
| MFG.PART: | 31525-25 |
| UNSPSC: | 12352200 |
| Manufacturer: | Cayman |
Product Description
Indigo carmine is an indigoid dye and a redox indicator.1,2 Upon reduction, indigo carmine shifts from blue to yellow with absorbance maxima of 610 and 407 nm, respectively.2 Formulations containing indigo carmine have been used as color additives in food and pharmaceutical preparations.
WARNING This product is not for human or veterinary use.
Technical Information
Formal Name
2-(1,3-dihydro-
CAS Number
860-22-0
Synonyms
- Acid Blue 74
- FD and C Blue 2
- C.I. 73015
- C.I. 75781
- indigo disulfonate
- Indigotine
Molecular Formula
C16H8N2O8S2 • 2Na
Formula Weight
466.4
Purity
≥70%
Formulation(Request formulation change)
A crystalline solid
Solubility(Learn about Variance in Solubility)
- DMF: slightly soluble
- DMSO: 1 mg/ml
- PBS (pH 7.2): 10 mg/ml
λmax
252, 287, 600 nm
SMILES
O=C1C2=CC(S([O-])(=O)=O)=CC=C2N/C1=C3NC4=CC=C(S([O-])(=O)=O)C=C4C\3=O.[Na+].[Na+]
InChi Code
InChI=1S/C16H10N2O8S2.2Na/c19-15-9-5-7(27(21,22)23)1-3-11(9)17-13(15)14-16(20)10-6-8(28(24,25)26)2-4-12(10)18-14;;/h1-6,17-18H,(H,21,22,23)(H,24,25,26);;/q;2*+1/p-2/b14-13-;;
InChi Key
KHLVKKOJDHCJMG-HLBFIJABSA-L
Shipping & Storage Information
Storage
-20°C
Shipping
Room Temperature in continental US; may vary elsewhere
Stability
≥ 4 years
| SKU | CAYM-31525-25 |
|---|---|
| Supplier Part Number | 31525-25 |
| UM | UNIT |
| UNSPSC | 12352200 |
| Manufacturer | Cayman |
| MSDS URL | https://www.caymanchem.com/msdss/31525m.pdf |
| Temperature | -20 |
| Refrigerated-Frozen | Refrigerated |
| CountryOfOrigin | CN |
| ProductLine | CAYM |
| Qty | 1 |
| MinOrderQty | 1 |
| Weight | 7.00 |
| Lead Time | 2 Business Days |
| Hazardous | N |
| CAS Number | 860-22-0 |