Solvent brown 20

Solvent brown 20
C.I. Name/No:Solvent brown 20 ;C.I.201980
CAS 61813-86-3/72208-28-7
Hue:
Synonyms:7,7'-[(4,6-Dihydroxy-1,3-phenylene)bis(2,1-diazenediyl)]bis-1,3-naphthalenedisulfonic acid N,N'-Bis(2-methylphenyl)guanidine
Molecular Structure:
Molecular Formula:C₂₆H₁₈N₄O₁₄S₄· 4(C₁₅H₁₇N₃)
Molecular Weight:1695.97
Foreign relative brand:
Akasol Fast Brown K (ACD)
Atlasol Spirit Brown BW(PYL)
Luxol Fast Brown K (PYL)
Luxol Fast Brown K (DUP)
Sepisol Fast Brown K (BIMA)
Solvent Brown K [U] (GCI)
Spectrasol Fast Brown K (SPEC)

Light Heat(℃) Chlorine bleached Water Soda (5%) hydrochloric acid (5%) melting point stability poor   175-205