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Name	C.I. Direct Blue 22, disodium salt (8CI)	EINECS	N/A
CAS No.	2586-57-4	Density	g/cm³
PSA	265.54000	LogP	10.05240
Solubility	N/A	Melting Point	N/A
Formula	C34H27 N5 O10 S2 . 2 Na	Boiling Point	°Cat760mmHg
Molecular Weight	775.76	Flash Point	°C
Transport Information	N/A	Appearance	N/A
Safety	Low toxicity by ingestion. When heated to decomposition it emits toxic vapors of NO_x and SO_x.	Risk Codes	N/A
Molecular Structure		Hazard Symbols	N/A
Synonyms	1,3-Naphthalenedisulfonicacid,4-amino-5-hydroxy-6-[[4'-[(2-hydroxy-1-naphthalenyl)azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-,disodium salt (9CI); C.I. Direct Blue 22 (7CI); C.I. Direct Blue 22, disodiumsalt (8CI); Japanol Brilliant Blue RWL (6CI); Airedale Blue RWD; Amanil BlueRW; Atlantic Blue RW; Azine Brilliant Blue RW; Benzanil Blue RW; Benzanol BlueRW; Benzo Blue RWA; Benzo Blue RWS; Brasilamina Blue RW; C.I. 24280; ChicagoBlue RW; Chlorazol Blue RW; Cutamin Blue CR; Diacotton Brilliant Blue RW;Diaphtamine Blue RW; Diazol Blue RW; Diphenyl Blue G; Direct Blue 22; DirectBlue BR; Direct Blue MRW; Direct Blue RW; Direct Blue RWN; Durazol Blue 5G;Enianil Blue RW; Fenamin Blue RW; Hispamin Blue RW; Kayaku Direct BrilliantBlue RW; Mitsui Direct Blue RW; Naphtamine Blue RW; Niagara Blue RW; NyanzaBlue RW; Phenamine Blue RW; Pontamine Blue RW; Shikiso Direct Brilliant BlueRW; Tertrodirect Blue RW; Trisulfon Blue RW

C.I. Direct Blue 22, disodium salt (8CI) Chemical Properties

IUPAC Name: Disodium 1-amino-7-[2-methoxy-4-[3-methoxy-4-[(2E)-2-(2-oxonaphthalen-1-ylidene)hydrazinyl]phenyl]phenyl]diazenyl-4-sulfinatonaphthalene-2-sulfonate
Synonyms of C.I. Direct Blue 22, disodium salt (8CI) (CAS NO.2586-57-4): Airedale Blue RWD ; Azine Brilliant Blue RW ; C.I. Direct Blue 22, disodium salt ; Diacotton Brilliant Blue RW ; Direct Blue MRW ; Fenamin Blue RW ; Naphtamine Blue RW ; Shikiso Direct Brilliant Blue RW ; Trisulfon Blue RW ; 1,3-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-6-((4'-((2-hydroxy-1-naphthalenyl)azo)-3,3'-dimethoxy(1,1'-biphenyl)-4-yl)azo)-, disodium salt ; 1,3-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-6-(2-(4'-(2-(2-hydroxy-1-naphthalenyl)diazenyl)-3,3'-dimethoxy(1,1'-biphenyl)-4-yl)diazenyl)-, sodium salt (1:2) ; C.I. Direct Blue 22 (7CI) ; Disodium 4-amino-5-hydroxy-6-((4'-((2-hydroxy-1-naphthyl)azo)-3,3'-dimethoxy(1,1'-biphenyl)-4-yl)azo)naphthalene-1,3-disulphonate
CAS NO: 2586-57-4
Molecular Formula: C₃₄H₂₇N₅O10S₂.2Na
Molecular Structure :

C.I. Direct Blue 22, disodium salt (8CI) Toxicity Data With Reference

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
rat	LD50	oral	6700mg/kg (6700mg/kg)		Office of Toxic Substances Report. Vol. OTS

C.I. Direct Blue 22, disodium salt (8CI) Consensus Reports

Reported in EPA TSCA Inventory.

C.I. Direct Blue 22, disodium salt (8CI) Safety Profile

Low toxicity by ingestion. When C.I. Direct Blue 22, disodium salt (8CI) (CAS NO.2586-57-4) is heated to decomposition, it emits toxic vapors of NO_x and SO_x.

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