C.I. Direct Blue 218 cas no:28407-37-6

NameC.I. Direct Blue 218
CAS28407-37-6
Synonyms1-Naphthol-3,6-disulfonicacid, 2,2'-(3,3'-dihydroxy-4,4'-biphenylylenebisazo)bis[8-amino-, dicopperderiv., tetrasodium salt (6CI);C.I. Direct Blue 218 (8CI);Copper,[tetrahydrogen-3,3'-[(3,3'-dihydroxy-4,4'-biphenylylene)bis(azo)]bis[5-amino-4-hydroxy-2,7-naphthalenedisulfonato](4-)]di-,tetrasodium salt (7CI);Cuprate(4-), [m-[[3,3'-[(3,3'-dihydroxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[5-amino-4-hydroxy-2,7-naphthalenedisulfonato]](8-)]]di-,tetrasodium;Cuprate(4-), [m-[[3,3'-[[3,3'-di(hydroxy-kO)[1,1'-biphenyl]-4,4'-diyl]bis(azo-kN1)]bis[5-amino-4-(hydroxy-kO)-2,7-naphthalenedisulfonato]](8-)]]di-, tetrasodium(9CI);Amanil Supra Blue 9GL;C.I. 24401;Carta Blue VP;Direct Blue218;Fastusol Blue 9GLP;Intralite Blue 8GLL;Pontamine Bond Blue B;PontamineFast Blue 7GLN;DIRECT BLUE 218;
EINECS(EC#)249-008-8
Molecular FormulaC32H16 Cu2 N6 O16 S4 . 4 Na
Molecular Weight1091.84288

Safety

Moderately toxic by ingestion. Low toxicity by skin contact. Mutation data reported. When heated to decomposition it emits toxic vapors of NO_x, SO_x, and Cu.

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
rabbit	LDLo	oral	3920mg/kg (3920mg/kg)		Office of Toxic Substances Report. Vol. OTS,
rabbit	LDLo	skin	8gm/kg (8000mg/kg)		Office of Toxic Substances Report. Vol. OTS,
rat	LD50	oral	3290mg/kg (3290mg/kg)		Office of Toxic Substances Report. Vol. OTS,