1.04177

Light green SF yellowish (C.I. 42095)

• Formule empirique (notation de Hill): C₃₇H₃₄N₂Na₂O₉S₃
• Numéro CAS: 5141-20-8
• Poids moléculaire : 792.85
• Numéro MDL: MFCD00012121
• Code UNSPSC : 41116130
• Nomenclature NACRES : NA.21

Propriétés

• Forme: solid
• Niveau de qualité: 200
• Puissance: >2000 mg/kg LD₅₀, oral (Rat)
• Composition: Dye, ≥75% spectrophotometric assay
• pH: 2.9 (25 °C, 10 g/L in H₂O)
• Solubilité: 200 g/L
• Masse volumique apparente: 200 kg/m³
• Application(s): diagnostic assay manufacturing; hematology; histology
• Température de stockage: 2-30°C
• InChI: 1S/C37H36N2O9S3.2Na/c1-3-38(25-27-7-5-9-35(23-27)50(43,44)45)32-17-11-29(12-18-32)37(31-15-21-34(22-16-31)49(40,41)42)30-13-19-33(20-14-30)39(4-2)26-28-8-6-10-36(24-28)51(46,47)48;;/h5-24H,3-4,25-26H2,1-2H3,(H2-,40,41,42,43,44,45,46,47,48);;/q;2*+1/p-2
• Clé InChI: DGOBMKYRQHEFGQ-UHFFFAOYSA-L

Description

Description générale

Light green SF yellowish (C.I. 42095) for microscopy Certistain^®, is a dry dye that is used for the preparation of a staining solution which is is widely used as a counterstain. for e.g. trichrome Masson-Goldner staining in histological sections or for Papanicolaou’s polychromatic staining in cytology of samples human origin. As CERTISTAIN^® dye it is chemically quality-certified according to highest standards and strict specifications.

Application

for microscopy Certistain^®

Remarque sur l'analyse

Dye content (spectrophotometrically): ≥ 75 %
Identity
- sodium:
passes test
- UV/VIS-Spectrum: passes test
Absorption maximum λ max (water): 629 - 634 nm
Spec. Absorptivity A 1%/1cm (λ_max; 0.005 g/l; water): 830 - 1130
TLC-Test: passes test
Loss on drying (110 °C): ≤ 12 %
Suitability for microscopy: passes test

Informations légales

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

Informations sur la sécurité

• Code de la classe de stockage: 11 - Combustible Solids
• Classe de danger pour l'eau (WGK): WGK 2
• Point d'éclair (°F): Not applicable
• Point d'éclair (°C): Not applicable