CAS No.28407-37-6,tetrasodium [mu-[[3,3'-[(3,3'-dihydroxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[5-amino-4-hydroxynaphthalene-2,7-disulphonato]](8-)]]dicuprate(4-) Suppliers,MSDS download

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Basic Information

Molecular Structure:
CAS No.:	28407-37-6
Name:	tetrasodium [mu-[[3,3'-[(3,3'-dihydroxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[5-amino-4-hydroxynaphthalene-2,7-disulphonato]](8-)]]dicuprate(4-)

Formula:	C32H16 Cu2 N6 O16 S4 . 4 Na
Molecular Weight:	1087.82
Synonyms:	1-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:	249-008-8
Density:	g/cm³
Boiling Point:	°Cat760mmHg
Flash Point:	°C
Solubility:	10g/L at 17℃
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.
PSA:	400.72000
LogP:	7.86700

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Chemistry

Chemistry informtion about C.I. Direct Blue 218 (CAS NO.28407-37-6) is:
IUPAC Name: Pentyl nitrite
Synonyms: Tetrasodium [Mu-[[3,3'-[(3,3'-Dihydroxy[1,1'-Biphenyl]-4,4'-Diyl)Bis(Azo)]Bis[5-Amino-4-Hydroxynaphthalene-2,7-Disulphonato]](8-)]]Dicuprate(4-) ; Cuprate(4-), .Mu.-3,3-3,3-Di(Hydroxy-.Kappa.O)1,1-Biphenyl-4,4-Diylbis(Azo-.Kappa.N1)Bis5-Amino-4-(Hydroxy-.Kappa.O)-2,7-Naphthalenedisulfonato(8-)Di-, Tetrasodium ; C.I. Direct Blue 218 ; [3,3'-[(3,3'-Dihydroxy-1,1'-Biphenyl-4,4'-Diyl)Bis(Azo)Bis(5-Amino-2,7-Naphthalenedisulfonato-(O4,O3)]]Dicopper, Tetrasodium Salt ; Cuprate(4-) [Μ-[[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, [Μ-[[3,3'-[(3,3'-Dihydroxy[1,1'-Biphenyl]-4,4'-Diyl)Bis(Azo)]Bis[5-Amino-4-Hydroxy-2,7-Naphthalenedisulfonato]]]]Di-, Tetrasodium ; Tetrasodium [Μ-[[3,3'-[(3,3'-Dihydroxy[1,1'-Biphenyl]-4,4'-Diyl)Bis(Azo)]Bis [5-Amino-4-Hydroxynaphthalene-2,7-Disulphonato]](8-)]]Dicuprate ; Direct Blue 218 (C.I. 24401)
Product Categories: Organometallics
MF: C₃₂H₂₀Cu₂N₆Na₄O₁₆S₄
MW: 1091.842880 g/mol
EINECS: 249-008-8
Following is the molecular structure of C.I. Direct Blue 218 (CAS NO.28407-37-6) is:

Toxicity Data With Reference

Organism	Test Type	Route	Reported Dose (Normalized Dose)	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,

Consensus Reports

Reported in EPA TSCA Inventory.

Safety Profile

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.

Specification

C.I. Direct Blue 218 (CAS NO.28407-37-6) is a deep purple to dark blue amorphous powder.It is water soluble. Azo dyes can be explosive when suspended in air at specific concentrations. It is a diazo compound. Azo, diazo, azido compounds can detonate. The nitro groups would facilitate rapid decomposition. This applies in particular to organic azides that have been sensitized by the addition of metal salts or strong acids. Toxic gases are formed by mixing materials of this class with acids, aldehydes, amides, carbamates, cyanides, inorganic fluorides, halogenated organics, isocyanates, ketones, metals, nitrides, peroxides, phenols, epoxides, acyl halides, and strong oxidizing or reducing agents. Flammable gases are formed by mixing materials in this group with alkali metals. Explosive combination can occur with strong oxidizing agents, metal salts, peroxides, and sulfides.Also it is probably combustible.