Carmoisine
SIAL/52245 - analytical standard
Synonym: Chromotrope FB; Azorubine, Food red 3; Acid Red 14; Disodium 4-
CAS Number: 3567-69-9
Empirical Formula (Hill Notation): C20H12N2Na2O7S2
Molecular Weight: 502.43
EC Number: 222-657-4
MDL Number: MFCD00003978
Linear Formula: C20H12N2Na2O7S2
Product Type: Chemical
application(s) | cleaning products cosmetics food and beverages personal care |
assay | ≥98.0% (HPLC) |
format | neat |
grade | analytical standard |
InChI | 1S/C20H14N2O7S2.2Na/c23-2 |
InChI key | YSVBPNGJESBVRM-ZPZFBZIMSA |
Quality Level | 100 ![]() |
shelf life | limited shelf life, expiry date on the label |
SMILES string | [Na+].[Na+].Oc1c(cc(c2ccc |
technique(s) | gas chromatography (GC): suitable |
HPLC: suitable |
Application: | Carmoisine may be used as an analytical reference standard for the quantification of the analyte in the following: • Food samples using spectrophotometric analysis technique. • Sweets and beverages using differential pulse polarography. • Synthetic mixtures and beverages using high performance liquid chromatography with diode array detection (HPLC-DAD). |
Application: | Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support. |
General description: | Carmoisine is a synthetic azo dye, commonly added to food, beverages, medicine, and cosmetics. It is frequently used alone or in combination with Allura red (E 129) and Ponceau 4R synthetic dyes. It is reported to be used for purposes where the food needs to be heat-treated post-fermentation. |
Packaging: | Bottomless glass bottle. Contents are inside inserted fused cone. |
Hazard Codes | Xi |
Risk Statements | 36/37/38 |
Safety Statements | 26-37/39 |
RIDADR | NONH for all modes of transport |
WGK Germany | WGK 2 |
Flash Point(F) | 437.0 °F |
Flash Point(C) | > 225 °C |
Purity | ≥98.0% (HPLC) |
Colour Index Number | 14720 |
UNSPSC | 12164500 |