1.04170

Erythrosine B (C.I. 45430)

• Fórmula empírica (Notação de Hill): C₂₀H₆I₄Na₂O₅
• Número CAS: 16423-68-0
• Peso molecular: 879.86
• Número MDL: MFCD00144257
• Código UNSPSC: 41116130
• NACRES: NA.21

Propriedades

• forma: solid
• Nível de qualidade: 200
• potência: 1840 mg/kg LD₅₀, oral (Rat)
• composição: Dye, ≥80% gravimetric
• pH: 6-7 (20 °C, 10 g/L in H₂O)
• solubilidade: 100 g/L
• densidade volumétrica: 470 kg/m³
• aplicação(ões): diagnostic assay manufacturing; hematology; histology
• temperatura de armazenamento: 2-30°C
• InChI: 1S/C20H8I4O5.2Na/c21-11-5-9-13(7-3-1-2-4-8(7)20(27)28)10-6-12(22)17(26)15(24)19(10)29-18(9)14(23)16(11)25;;/h1-6,25H,(H,27,28);;/q;2*+1/p-2
• chave InChI: IINNWAYUJNWZRM-UHFFFAOYSA-L

Descrição

Descrição geral

Erythrosin B (C.I. 45430)for microscopy Certistain^®, is a dry dye for microscopy that is often used as a counterstain, vizualising proteins, connective tissues, fibers and keratin in sample material of human origin. Depending on user requirements and personal preferences, it can be used for the preparation of the commonly used aqueous or alcoholic Erythrosin B staining solutions. As the dye belongs to the portfolio of Certistain^® dyes, it is chemically analyzed according to strict specifications before release and a high staining quality, with reliable staining results is guaranteed.

Aplicação

for microscopy Certistain^®

Nota de análise

Dye content (gravimetrically): ≥ 80 %
Identity
- sodium:
passes test
- UV/VIS-Spectrum: passes test
Absorption maximum λ max (water): 524 - 527 nm
Spec. Absorptivity A 1%/1cm (λ_max; 0.005 g/l; water): 930 - 1170
TLC-Test: passes test
Loss on drying (110 °C): ≤ 10 %
Suitability for microscopy: passes test

Informações legais

CERTISTAIN is a registered trademark of Merck KGaA, Darmstadt, Germany

Informações de segurança

• Pictogramas: GHS07,GHS09
• Palavra indicadora: Warning
• Frases de perigo: H302 - H411
• Declarações de precaução: P264 - P270 - P273 - P301 + P312 - P391 - P501
• Classificações de perigo: Acute Tox. 4 Oral - Aquatic Chronic 2
• Código de classe de armazenamento: 11 - Combustible Solids
• Classe de risco de água (WGK): WGK 1
• Ponto de fulgor (°F): 359.6 °F - closed cup
• Ponto de fulgor (°C): 182 °C - closed cup