1.04139

Nigrosine (C.I. 50420)

• CAS號碼: 101357-32-8
• 分類程式碼代碼: 41116130
• NACRES: NA.21

屬性

• pH值: 10 (20 °C, 10 g/L in H₂O)
• 品質等級: 200
• 溶解度: 10 g/L
• 體積密度: 750 kg/m³
• 應用: diagnostic assay manufacturing; hematology; histology
• 儲存溫度: 2-30°C

描述

一般說明

The dry dye Nigrosin (C.I. 50420) water-soluble for microscopy Certistain^®, is used for the preparation of a staining solution for the visualization of capsule (negative capsule staining) in bacteriological material of human origin. As a CERTISTAIN^® dye it is chemically quality-certified according to highest standards and strict specifications.

應用

water-soluble for microscopy Certistain^®

分析報告

Identity
- sodium:
passes test
- UV/VIS-Spectrum: passes test
Absorption maximum λ max (ethanol 50 %): 570 - 580 nm
Spec. Absorptivity A 1%/1cm (λ_max; 0.025 g/l; ethanol 50 %): 200 - 300
TLC-Test: passes test
Loss on drying (110 °C): ≤ 15 %
Suitability for microscopy: passes test

法律資訊

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

安全資訊

• 儲存類別代碼: 11 - Combustible Solids
• 水污染物質分類（WGK）: WGK 3
• 閃點（°F）: Not applicable
• 閃點（°C）: Not applicable