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
• NACRES: NA.47
• PubChem Substance ID: 24894685
• UNSPSC Code: 12171500
• EC Number: 240-474-8
• MDL number: MFCD00144257
• Beilstein/REAXYS Number: 1443945
• Colour Index Number: 45430

Properties

• Product Name: Erythrosin extra bluish, certified by the BSC
• InChI key: RAGZEDHHTPQLAI-UHFFFAOYSA-L
• 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
• SMILES string: [Na+].[Na+].[O-]c1c(I)cc2c(Oc3c(I)c([O-])c(I)cc3C24OC(=O)c5ccccc45)c1I
• 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
• Quality Level: 200

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. It has been used in many biological applications such as, detecting gene expression, treating age related macular degeneration, diabetes and obesity.

Application

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
• signalword: Warning
• hcodes: H302,H411
• pcodes: P264 - P270 - P273 - P301 + P312 - P391 - P501
• Hazard Classifications: Acute Tox. 4 Oral - Aquatic Chronic 2
• Storage Class: 11 - Combustible Solids
• wgk: WGK 1
• flash_point_f: 359.6 °F - closed cup
• flash_point_c: 182 °C - closed cup
• ppe: dust mask type N95 (US), Eyeshields, Gloves