C.I. Direct Blue 218

Chemical NameC.I. Direct Blue 218
Synonym(s)(3,3'-((3,3'-dihydroxy-1,1'-biphenyl-4,4'-diyl)bis(azo)bis(5-amino-2,7-naphthalenedisulfonato-(O4,O3)))dicopper, tetrasodium salt | 2,7-Naphthalenedisulfonic acid, 3,3'((3,3'-dihydroxy(1,1'-biphenyl)-4,4'-diyl)bis(azo)bis(5-amino-4-hydroxy-), sodium salt), copper complex | Amanil Supra Blue 9GL | C.I. 24401 | Copper, (mu-((tetrahydrogen, 3,3'-((3,3'-dihydroxy-4,4'-biphenylene)bis(azo))bis(5-amino-4-hydroxy-2,7-naphthalenedisulfonato))(4-)))di-, tetrasodium salt | Cuprate(4-),(mu-((3,3'-((3,3'-dihydroxy(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis(5-amino-4-hydroxy-2,7-naphthalenedisulfonato))(8-)))di-, tetrasodium | Direct Blue 218 | Fastusol Blue 9GLP | NCI C60877 | Pontamine Bond Blue B | Pontamine Fast Blue 7GLN | Solantine Blue 10GL | Tetrasodium(:-((3,3'-((3,3'-dihydroxy(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis(5-amino-4-hydroxynaphthalene-2,7-disulphonato))(8-)))dicuprate(4-)
CASRN28407-37-6
De minimis Limit %0.1
M,P/OU Threshould (lb)25,000/10,000
Listing TypeIndividually listed chemical
Effective Date01-JAN-95
Chemical QualifierNo
MetalYes
Chemical of Special ConcernNo
Per- or Polyfluoroalkyl SubstanceNo

Rulemaking Changes Affecting This Chemical

StatusEffective Reporting YearFR Proposed RuleFR Final Rule
Added199559 FR 1788 (1/12/1994)59 FR 61432 (11/30/1994)

Basis of OSHA Carcinogens

IARCNTPOSHA-Z
2B––
Structural image
Structural representation of C.I. Direct Blue 218