1.04170

Erythrosine B (C.I. 45430)

• Formula empirica (notazione di Hill): C₂₀H₆I₄Na₂O₅
• Numero CAS: 16423-68-0
• Peso molecolare: 879.86
• Numero MDL: MFCD00144257
• Codice UNSPSC: 41116130
• NACRES: NA.21

Proprietà

• Forma fisica: solid
• Livello qualitativo: 200
• Potenza: 1840 mg/kg LD₅₀, oral (Rat)
• Composizione: Dye, ≥80% gravimetric
• pH: 6-7 (20 °C, 10 g/L in H₂O)
• Solubilità: 100 g/L
• Densità bulk: 470 kg/m³
• applicazioni: diagnostic assay manufacturing; hematology; histology
• Temperatura di conservazione: 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; IINNWAYUJNWZRM-UHFFFAOYSA-L

Descrizione

Descrizione generale

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.

Applicazioni

for microscopy Certistain^®

Risultati analitici

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

Note legali

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

Informazioni sulla sicurezza

• Pittogrammi: GHS07,GHS09
• Avvertenze: Warning
• Indicazioni di pericolo: H302 - H411
• Consigli di prudenza: P264 - P270 - P273 - P301 + P312 - P391 - P501
• Classi di pericolo: Acute Tox. 4 Oral - Aquatic Chronic 2
• Codice della classe di stoccaggio: 11 - Combustible Solids
• Classe di pericolosità dell'acqua (WGK): WGK 1
• Punto d’infiammabilità (°F): 359.6 °F - closed cup
• Punto d’infiammabilità (°C): 182 °C - closed cup