523-44-4|Benzenesulfonic acid,4-[2-(4-hydroxy-1-naphthalenyl)diazenyl]-, sodium salt (1:1)Products Supply

Benzenesulfonic acid,4-[2-(4-hydroxy-1-naphthalenyl)diazenyl]-, sodium salt (1:1) cas no:523-44-4

Synonyms: Benzenesulfonicacid, 4-[(4-hydroxy-1-naphthalenyl)azo]-, monosodium salt (9CI);C.I. Acid Orange 20 (7CI);C.I. Acid Orange 20, monosodium salt (8CI);1333 Orange;4-p-Sulfophenylazo-1-naphthol monosodium salt;A.F. Orange No. 1;Acid LeatherOrange I;Sodium 4-[(4-hydroxy-1-naphthyl)diazenyl]benzenesulfonate;4-(4-Hydroxy-1-naphthylazo)benzenesulfonic acid sodium salt;Aizen Orange I;C.I. 14600;Certiqual OrangeI;Dye orange No. 1;Eniacid Orange I;Ext D and COrange No. 3;External D and C Orange Number 3;FD and C Orange 1;FD and COrange No. 1;Hispacid Orange 1;Japan Orange 1;Japan Orange 402;Japan OrangeNo. 402;Java Orange I;Naphthalene Orange I;Naphthol Orange;Neklacid Orange1;Orange 1 sodium salt;Orange 402;Orange I;Orange I Extra Conc. A Export;Orange IM;Orange No. 402;Tertracid Orange I;Tropaeolin 1;Yellow 404;a-NaphtholOrange;

Identification

NameBenzenesulfonic acid,4-[2-(4-hydroxy-1-naphthalenyl)diazenyl]-, sodium salt (1:1)
CAS523-44-4
SynonymsBenzenesulfonicacid, 4-[(4-hydroxy-1-naphthalenyl)azo]-, monosodium salt (9CI);C.I. Acid Orange 20 (7CI);C.I. Acid Orange 20, monosodium salt (8CI);1333 Orange;4-p-Sulfophenylazo-1-naphthol monosodium salt;A.F. Orange No. 1;Acid LeatherOrange I;Sodium 4-[(4-hydroxy-1-naphthyl)diazenyl]benzenesulfonate;4-(4-Hydroxy-1-naphthylazo)benzenesulfonic acid sodium salt;Aizen Orange I;C.I. 14600;Certiqual OrangeI;Dye orange No. 1;Eniacid Orange I;Ext D and COrange No. 3;External D and C Orange Number 3;FD and C Orange 1;FD and COrange No. 1;Hispacid Orange 1;Japan Orange 1;Japan Orange 402;Japan OrangeNo. 402;Java Orange I;Naphthalene Orange I;Naphthol Orange;Neklacid Orange1;Orange 1 sodium salt;Orange 402;Orange I;Orange I Extra Conc. A Export;Orange IM;Orange No. 402;Tertracid Orange I;Tropaeolin 1;Yellow 404;a-NaphtholOrange;
EINECS(EC#)208-346-6
Molecular FormulaC₁₆H₁₁N₂NaO₄S
Molecular Weight328.34

Safety Data

Safety

Low toxicity by ingestion. Questionable carcinogen with experimental tumorigenic data. Mutation data reported. When heated to decomposition it emits very toxic fumes of NO_x, SO_x, and Na₂O.
Safety Statements about FD&C orange No. 1 (CAS No.:523-44-4):
S24/25:Avoid contact with skin and eyes.

Toxicity

1.		mma-sat 100 µg/plate		MUREAV Mutation Research. 56 (1978),249.
2.		ipr-rat LD50:1 g/kg		FAONAU Food and Agriculture Organization of United Nations, Report Series. 38B (1966),67.

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Benzenesulfonic acid,4-[2-(4-hydroxy-1-naphthalenyl)diazenyl]-, sodium salt (1:1) cas no:523-44-4

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