E8886

Erythrosin extra bluish

Dye content, ≥80%, certified by the Biological Stain Commission, powder

• Synonym(s): 2′,4′,5′,7′-Tetraiodofluorescein disodium salt, Acid Red 51, Iodoeosin
• Empirical Formula (Hill Notation): C₂₀H₆I₄Na₂O₅
• CAS Number: 16423-68-0
• Molecular Weight: 879.86
• Colour Index Number: 45430
• Beilstein: 1443945
• EC Number: 240-474-8
• MDL number: MFCD00144257
• UNSPSC Code: 12171500
• PubChem Substance ID: 24894685
• NACRES: NA.47

Properties

• Product Name: Erythrosin extra bluish, certified by the BSC
• Agency: certified by the BSC
• form: powder
• composition: Dye content, ≥80%
• pH: 6.4 (30.3 °C)
• mp: 315 °C
• solubility: water: 1 mg/mL, clear
• density: 0.625-0.731 g/cm³ at 30.1 °C
• application(s): diagnostic assay manufacturing; hematology; histology
• storage temp.: room temp
• SMILES string: [Na+].[Na+].[O-]c1c(I)cc2c(Oc3c(I)c([O-])c(I)cc3C24OC(=O)c5ccccc45)c1I
• InChI: 1S/C20H8I4O5.2Na/c21-11-5-9-17(13(23)15(11)25)28-18-10(6-12(22)16(26)14(18)24)20(9)8-4-2-1-3-7(8)19(27)29-20;;/h1-6,25-26H;;/q;2*+1/p-2
• InChI key: RAGZEDHHTPQLAI-UHFFFAOYSA-L

Description

General description

Erythrosin extra bluish is soluble in ethanol and water. It is a brown powder, with a pH range of 2.5 to 4. It is used in color filters, light emitting diodes, cosmetics and hair dyes.[1] It has been used in many biological applications such as, detecting gene expression, treating age related macular degeneration, diabetes and obesity.[2]

Suitability

Certified for use in the Jackson stain for plant anatomy; counterstain for alum hematoxylin; Kreyberg′s method for keratin and mucus.

Safety Information

• Pictograms: GHS07,GHS09
• Signal Word: Warning
• Hazard Statements: H302,H411
• Precautionary Statements: P264 - P270 - P273 - P301 + P312 - P391 - P501
• Hazard Classifications: Acute Tox. 4 Oral - Aquatic Chronic 2
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 1
• Flash Point(F): 359.6 °F - closed cup
• Flash Point(C): 182 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves