Agent Name

Orange G

CAS Number

1936-15-8

Formula

C16-H10-N2-O7-S2.2Na

Major Category

Dyes

Synonyms

1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-(phenylazo)-, disodium salt; Disodium 7-hydroxy-8-(phenylazo)-1,3-naphthalenedisulfonate; 1-Phenylazo-2-naphthol-6,8-disulfonic acid, disodium salt; 1-Phenylazo-2-naphthol-6,8-disulphonic acid, disodium salt; 1370 Orange; 2-Hydroxy-1-phenylazo-6,8-naphthalenedisulfonic acid, disodium salt; 7-Hydroxy-8-(phenylazo)-1,3-naphthalenedisulfonic acid, disodium salt; 7-Hydroxy-8-(phenylazo)-1,3-naphthalenedisulphonic acid, disodium salt; Acid Fast Orange EGG; Acid Fast Orange G; Acid Leather Orange G; Acid Leather Orange KG; Acid Leather Orange PGW; Acid Light Orange G; Acid Light Orange J; Acid Light Orange JA Export; Acid Light Orange SX; Acid Lightfast Orange; Acid Orange 10; Acid Orange 2G; Acid Orange G; Acid Orange GG; Acid Orange Lightfast; Acidal Fast Orange; Acilan Orange GX; Amacid Crystal Orange; Apocid Orange 2G; Atul Acid Crystal Orange G; Brasilan Orange 2G; Bucacid Fast Orange G; C.I. 16230; C.I. Acid Orange 10; C.I. Acid Orange 10, disodium salt; C.I. Acid Orange No. 10; C.I. Food Orange 4; CI 16230; CI 27; Calcocid Fast Light Orange 2G; Certicol Orange GS; Cetil Light Orange GG; Colacid Orange G; Crystal Orange 2G; D and C Orange No. 3; D&C Orange No. 3; Dolkwal Orange G; Duasyn Acid Orange GG; Egacid Orange GG; Eniacid Light Orange G; Erio Fast Orange AS; Fast Acid Orange G; Fast Light Orange G; Fast Light Orange GA; Fast Light Orange GA-CF; Fenazo Light Orange 2G; Food Orange 4; Food Orange GG; Hexacol Orange G; Hexacol Orange GG Crystals; Hidacid Fast Orange 2G; Hidacid Fast Orange G; Hispacid Fast Orange 2G; Ink Orange JSN; Intracid Fast Orange G; Java Orange 2G; Kiton Fast Orange G; Light Orange G; Naphthalene Fast Orange 2G; Naphthalene Fast Orange 2GS; Naphthalene Orange Solide GG; Neklacid Fast Light Orange GG; Neklacid Fast Orange 2G; Neklacid Fast Orange GG; Orange #10; Orange 2G; Orange BPC; Orange G (biological stain); Orange G (indicator); Orange G B.P.C; Orange G BPC; Orange G DYE; Orange GG; Orange GMP; Oranz G [Polish]; Oranz GG [Czech]; Oranz kysela 10 [Czech]; Oranz potravinarska 4 [Czech]; Schultz No. 39; Solar Light Orange GX; Standacol Orange G; Straight Orange G; Sulfacid Light Orange J; Tertracid Light Orange G; Unitertracid Light Orange G; Vendacid Light Orange 2G; Vondacid Light Orange 2G; Wool Orange 2G; Wool Orange G; Xylene Fast Orange G; [ChemIDplus]

Category

Azo Dyes

Description

Yellowish-red solid; [HSDB]

Sources/Uses

Used for dyeing silk, wool, chromed leather, and paper; Also used in wood stains, coloring inks, copying pencils, and as a biological stain; [HSDB]

Comments

May cause irritation; [MSDSonline]

Restricted

Drug and cosmetic use in the US was last approved in 1966; [HSDB]

Exposure Assessment
Vapor Pressure

2.49E-20 mm Hg

Adverse Effects
IARC Carcinogen

Not Classifiable

Links to Other NLM Databases
Health Studies

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Toxicity Information

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Chemical Information

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Processes

Industrial Processes with risk of exposure: