2706-28-7|Benzenesulfonic acid,2-amino-5-[2-(4-sulfophenyl)diazenyl]-, sodium salt (1:2)Products Supply

Benzenesulfonic acid,2-amino-5-[2-(4-sulfophenyl)diazenyl]-, sodium salt (1:2) cas no:2706-28-7

Synonyms: Benzenesulfonicacid, 2-amino-5-[(4-sulfophenyl)azo]-, disodium salt (9CI); C.I. Acid Yellow 9(7CI); C.I. Acid Yellow 9, disodium salt (8CI); Fast Yellow S (6CI); AcetylYellow G; Acid Yellow 9; Acid Yellow AT; Acid Yellow G; Acid Yellow G Kond;Acid Yellow Geigy; Acid yellow; Acilan Yellow Extra; Amacid Yellow RG; C Yellow9; C.I. 13015; C.I. Food Yellow 2; Cilefa Yellow R; Disodium4-aminoazobenzene-3,4'-disulfonate; E 105; E 105 (dye); Fast Yellow; FastYellow AB; Fast Yellow Extra; Fast Yellow Extra Specially Pure; Fast Yellow SExtra specially pure; Fast Yellow SX Extra Specially Pure; Fast Yellow Y; FoodYellow 2; Golden Yellow RUAF; Hexacol Acid Yellow G; Kiton Yellow Extra;Lacquer Yellow T; Wool Yellow G; Yellow Fast; Yellow acid

Identification

NameBenzenesulfonic acid,2-amino-5-[2-(4-sulfophenyl)diazenyl]-, sodium salt (1:2)
CAS2706-28-7
SynonymsBenzenesulfonicacid, 2-amino-5-[(4-sulfophenyl)azo]-, disodium salt (9CI); C.I. Acid Yellow 9(7CI); C.I. Acid Yellow 9, disodium salt (8CI); Fast Yellow S (6CI); AcetylYellow G; Acid Yellow 9; Acid Yellow AT; Acid Yellow G; Acid Yellow G Kond;Acid Yellow Geigy; Acid yellow; Acilan Yellow Extra; Amacid Yellow RG; C Yellow9; C.I. 13015; C.I. Food Yellow 2; Cilefa Yellow R; Disodium4-aminoazobenzene-3,4'-disulfonate; E 105; E 105 (dye); Fast Yellow; FastYellow AB; Fast Yellow Extra; Fast Yellow Extra Specially Pure; Fast Yellow SExtra specially pure; Fast Yellow SX Extra Specially Pure; Fast Yellow Y; FoodYellow 2; Golden Yellow RUAF; Hexacol Acid Yellow G; Kiton Yellow Extra;Lacquer Yellow T; Wool Yellow G; Yellow Fast; Yellow acid
EINECS(EC#)220-293-0
Molecular FormulaC12H11 N3 O6 S2 . 2 Na
Molecular Weight401.3259

Chemical Properties

AppearanceYellow Powder

Safety Data

Hazard Not regulated UN NO.
Risk 36/37/38
Safety

Moderately toxic by intravenous route. When heated to decomposition it emits toxic vapors of NO_x and SO_x.
Safety Information of C.I. Acid yellow 9, disodium salt (8ci) (CAS NO.2706-28-7):
Hazard Codes: Xi
Risk Statements: 36/37/38
36: Irritating to the eyes
37: Irritating to the respiratory system
38: Irritating to the skin
Safety Statements: 26-36
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36: Wear suitable protective clothing

Toxicity

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
rat	LD50	intraperitoneal	2gm/kg (2000mg/kg)		"Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 1312, 1986.
rat	LD50	intravenous	2500mg/kg (2500mg/kg)		"Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 1312, 1986.

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Benzenesulfonic acid,2-amino-5-[2-(4-sulfophenyl)diazenyl]-, sodium salt (1:2) cas no:2706-28-7

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