200-M

Eosin Y Powder

• Synonym(s): Eosin Y Powder, Bromo Acid J
• Empirical Formula (Hill Notation): C₂₀H₆Br₄Na₂O₅
• CAS Number: 17372-87-1
• Molecular Weight: 691.86
• MDL number: MFCD00005040
• UNSPSC Code: 41116121

Properties

• form: powder
• pH: 9.2 (20 °C, 10 g/L in H₂O)
• mp: 295-296 °C
• λmax: 515-518 nm
• application(s): diagnostic assay manufacturing; hematology; histology
• storage temp.: room temp
• InChI: 1S/C20H8Br4O5.2Na/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
• InChI key: SEACYXSIPDVVMV-UHFFFAOYSA-L

Description

Application

Certified by the Biological Stain Commission (BSC)
For In-Vitro Diagnostic Use.
For Professional Use.
Used as a counterstain for hemotoxylin and as a constituent of Wright Stain.

HARLECO^® Counterstaining in H&E

Legal Information

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

Safety Information

• pictograms: GHS07
• signalword: Warning
• hcodes: H317 - H319
• pcodes: P261 - P264 - P272 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Sens. 1
• Storage Class: 13 - Non Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: 376.9 °F - Pensky-Martens closed cup
• flash_point_c: 191.6 °C - Pensky-Martens closed cup