Acid Red 27
Synonym(s):3-Hydroxy-4-[(4-sulfonatonaphthalen-1-yl)diazenyl]naphthalene-2,7-disulfonate trisodium salt;Acid Red 27;Azorubin S;FD & C Red Dye No. 2
- CAS NO.：915-67-3
- Empirical Formula: C20H11N2Na3O10S3
- Molecular Weight: 604.47
- MDL number: MFCD00004076
- EINECS: 213-022-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-06-07 20:51:53
What is Acid Red 27?
Description
Amaranth (FD & C Red No. 2) consists essentially of a trisodium 2-hydroxy-l-(4-sulfonato-1-naphthy lazo)naphthalene 3,6-disulfonate and subsidiary coloring matters together with sodium chloride and/or sodium sulfate as the principal uncolored components. Amaranth may be converted to the corresponding aluminum lake.
Description
Amaranth is a tribasic sulfonate dye first prepared by O. Knecht in 1886. It became known as the infamous FD&C Red No. 2, which was used to add red color to foods and cosmetics—until it was banned by FDA in 1976 as a suspected carcinogen. It also is used to dye wool and silk and as an indicator in hydrazine titrations.
The Uses of Acid Red 27
Dyeing wool and silk bright bluish-red from an acid bath. Food colorant. As indicator. In color photography.
What are the applications of Application
Amaranth is a cytoplasmic and nuclear dye
Properties of Acid Red 27
| Melting point: | >300°C |
| Density | 1.5 |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | H2O: soluble10mg/mL |
| form | Crystalline Powder |
| color | Dark reddish-brown to dark brown |
| Water Solubility | 50 g/L (20 ºC) |
Safety information for Acid Red 27
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P337+P313:IF eye irritation persists: Get medical advice/attention. |
Computed Descriptors for Acid Red 27
| InChIKey | WLDHEUZGFKACJH-ZRUFZDNISA-K |
Abamectin manufacturer
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Orjet Intermediates Pvt. Ltd.
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