Chromotrope 2R

CAS: 4197-07-3

Ref. 02-A17519

Product Information

• Name: Chromotrope 2R
• Synonyms: disodium (3Z)-5-hydroxy-4-oxo-3-(2-phenylhydrazin-1-ylidene)naphthalene-2,7-disulfonate, 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-(2-phenyldiazenyl)-, sodium salt (1:2), 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-(phenylazo)-, disodium salt, 4,5-Dihydroxy-3-phenylazo-2,7-naphthalenedisulfonic acid,disodium salt, Acid Red 29, Acilan Chromotrope RR, Brasilan Fast Fuchsine G, Chromotrop 2R, Chromotrope 2 R, Chromotrope 2 R (CI 16570), Chromotrope Red 2R, Disodium 4,5-Dihydroxy-3-Phenylazonaphthalene-2,7-Disulphonate, Disodium 4,5-dihydroxy-3-(phenylazo)naphthalene-2,7-disulfonate, Fast Fuchsin G, Fast Fuchsine G, Hispacid Fuchsin G, chromotrop 2 R for microscopy and complexometry, disodium (3Z)-5-hydroxy-4-oxo-3-(phenylhydrazono)-3,4-dihydronaphthalene-2,7-disulfonate, C.I. Acid Red 29, C.I. Acid Red 29, disodium salt (8CI), Chromotrope 2R, C.I. Acid Red 29, disodium salt, C.I. Acid Red 29 (7CI), chromotrope 2R (C.I. 16570), C.I. Acid Red 29, Acid Red 29~C.I. 16570, C.I. 16570, C.I. Acid Red 29, disodium salt

Description

Employed as an indicator for complexometry. It is also applied as a stain used in modified Gomori Trichrome stain. Used as a stain for cytology. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

• Brand: Alfa Aesar By Thermo Fisher Scientific

Chemical properties

• Molecular weight: 468.36
• Formula: C₁₆H₁₀N₂Na₂O₈S₂
• Color/Form: Crystals or powder or crystalline powder, Red to brown
• InChI key: XTJONEUTTZZRAB-VZRGYXGKSA-L