1.04207

Neutral red (C.I. 50040)

• Empirische Formel (Hill-System): C₁₅H₁₇ClN₄
• CAS-Nummer: 553-24-2
• Molekulargewicht: 288.78
• NACRES: NA.21
• UNSPSC Code: 41116130
• MDL number: MFCD00012651

Eigenschaften

• form: solid
• Quality Segment: 200
• composition: Dye, ≥90% spectrophotometric assay
• pH: 3.1 (20 °C, 10 g/L in H₂O)
• solubility: 50 g/L
• bulk density: 350‑500 kg/m³
• application(s): diagnostic assay manufacturing; hematology; histology
• storage temp.: 2-30°C
• InChI: 1S/C15H16N4.ClH/c1-9-6-13-15(8-11(9)16)18-14-7-10(19(2)3)4-5-12(14)17-13;/h4-8H,16H2,1-3H3;1H
• InChI key: PGSADBUBUOPOJS-UHFFFAOYSA-N

Beschreibung

General description

Neutral red (C.I. 50040) - for microscopy Certistain^®, is a dry staining dye that is used to prepare a staining solution, that makes target structures in hematological specimen materials evaluable for diagnostic purposes. Neutral red belongs to the group of azines. Neutral red can be used for several staining such as supravital staining of leukocytes .In histology for nuclear staining, fluorescence staining, polychrome staining or for counterstaining in Gram staining. As CERTISTAIN^® dye it is chemically quality-certified according to highest standards and strict specifications.

Application

for microscopy Certistain^®

Analysis Note

Dye content (spectrophotometrically): ≥ 90 %
Identity (UV/VIS-Spectrum): passes test
Absorption maximum λ max (ethanol 50 %): 540 - 543 nm
Spec. Absorptivity A 1%/1cm (λ_max; 0.005 g/l; ethanol 50 %): 1420 - 1610
TLC-Test: passes test
Loss on drying (110 °C): ≤ 12 %
Suitability for microscopy: passes test

Legal Information

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

Sicherheitshinweise

• Lagerklasse: 11 - Combustible Solids
• wgk: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable