46290

Sudan Red 7B

for microscopy (Bot., Hist.)

• Synonym(s): Fat Red 7B, Fat red bluish, Solvent Red 19
• Empirical Formula (Hill Notation): C₂₄H₂₁N₅
• CAS Number: 6368-72-5
• Molecular Weight: 379.46
• Colour Index Number: 26050
• Beilstein: 3534323
• EC Number: 228-862-5
• MDL number: MFCD00003904
• UNSPSC Code: 12171500
• PubChem Substance ID: 57650757
• NACRES: NA.47

Properties

• grade: for microscopy (Bot., Hist.)
• Quality Level: 100
• form: powder
• mp: 130 °C (dec.) (lit.)
• solubility: acetone: 0.1 g/10 mL, clear to turbid, red
• λmax: 367-377 nm in toluene (2nd); 528-538 nm in toluene (1st)
• application(s): diagnostic assay manufacturing; hematology; histology
• storage temp.: room temp
• SMILES string: CCNc1ccc2ccccc2c1\N=N\c3ccc(cc3)\N=N\c4ccccc4
• InChI: 1S/C24H21N5/c1-2-25-23-17-12-18-8-6-7-11-22(18)24(23)29-28-21-15-13-20(14-16-21)27-26-19-9-4-3-5-10-19/h3-17,25H,2H2,1H3/b27-26+,29-28+
• InChI key: VKWNTWQXVLKCSG-ZDXBJJIESA-N

Description

Biochem/physiol Actions

Sudan red 7B, also known as fat red, is a non-fluorescent stain. It is effectively used to stain lipids and is used to indicate the presence of suberin in cell walls. Sudan red 7B acts as a marker for formosan subterranean termite, Coptotermes fornosanus Shiraki.
Appl- Sudan Red 7B has been used to stain root sections of pearl millet.

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves