Home > Name List By a > Acid Blue 74

CAS No 860-22-0 , Acid Blue 74

  • Name: Acid Blue 74
  • Synonyms: E 132; Indigo Carmine; Indigo-5,5-disulphonic acid disodium salt; disodium 5,5-indigodisulphonate;Acid Blue 74;C.I. 73015;5,5-Indigodisulfonic acid, disodium salt; Food Blue 1; C.I. 73015; 5,5'-Indigodisulfonic acid disodium salt; Acid Blue 74; disodium 5,5-(2-(1,3-dihydro-3-oxo-2H-indazol-2-ylidene)-1,2-dihydro-3H-indol-3-one)disulphonate; Disodium 5,5'-(2-(1,3-dihydro-3-oxo-2H-indazol-2-ylidene)-1,2-dihydro-3H-indol-3-one)disulphonate;
  • CAS Registry Number:
  • Melting Point: >300°C
  • Density: 1.01 g/mL at 20 °C
  • Refractive index: n20/D 1.335
  • Water Solubility: 1 G/100 ML (25 ºC)
  • Safety Statements: R22
  • Hazard Symbols: Xn: Harmful;
  • HS Code: 32041200
  • EINECS: 212-728-8
  • Molecular Weight: 466.35
  • InChI: InChI=1/C16H10N2O8S2.2Na/c19-15-9-5-7(27(21,22)23)1-3-11(9)17-13(15)14-16(20)10-6-8(28(24,25)26)2-4-12(10)18-14;;/h1-6,17-18H,(H,21,22,23)(H,24,25,26);;/q;2*+1/b14-13+;;
  • Risk Statements: S22;S24/25
  • Molecular Formula: C16H8N2Na2O8S2
  • Molecular Structure:CAS No:860-22-0 Acid Blue 74

Related products

Search by region :

Select to

860-22-0 INDIGO CARMINE

  • China Dintech Chemical Co.,Ltd. null
  • Fax: +86-510-82720323
  • Address: 20-D,Huaguang Mansion,333 Zhong Shan Road,Wuxi,China. null,nullChina
Contact Supplier

860-22-0 Indigo Carmine

  • India Biokemix [Importer/Exporter]
  • Tel: +91-(40)-6613 6366
  • Fax: +91-(40)-6683 6366
  • Address: Kanchan, 10, Umanagar, Begumpet, Hyderabad, Andhra Pradesh 500016, Manchester,nullIndia
Contact Supplier

860-22-0 FD&C Blue #2

  • United States Dudley Chemical Corp. [Manufacturer]
  • Tel: (732) 886-3100
  • Fax: (732) 886-3688
  • Address: Dudley Chemical Corp.
    125 Kenyon Drive
    Lakewood, NJ 08701 null,nullUnited States
Contact Supplier

860-22-0 INDIGO CARMINE

  • United States AMRESCO Inc. [Manufacturer]
  • Tel: 440-349-1313
  • Fax: 440-349-1182
  • Address: AMRESCO Inc.
    30175 Solon Industrial Parkway
    Solon, OH 44139 null,nullUnited States
Contact Supplier

860-22-0 FD & C BLUE 2 POWDER

  • United States Scandinavian Formulas, Inc. [Manufacturer]
  • Tel: 215-453-2507
  • Fax: 215-257-9781
  • Address: Scandinavian Formulas, Inc.
    140 East Church Street
    Sellersville, PA 18960
    USA null,nullUnited States
Contact Supplier

860-22-0 INDIGO CARMINE

  • United States ProChem, Inc. [Manufacturer]
  • Tel: 800-795-8788
  • Address: ProChem, Inc.
    826 Roosevelt Rd.
    Rockford IL 61109 null,nullUnited States
Contact Supplier

860-22-0 FD&C BLUE 2

  • Germany Syntharo Fine Chemicals GmbH [Manufacturer]
  • Tel: +49-(0)214-30-47600
  • Fax: +49-(0)214-40-44247
  • Address: Syntharo Fine Chemicals GmbH
    Chempark Leverkusen - Geb. W15
    51368 Leverkusen
    GERMANY null,nullGermany
Contact Supplier

860-22-0 INDIGOTINDISULFONATE SODIUM

  • United States EJY Tech, Inc. [Manufacturer]
  • Tel: 301-526-7059
  • Fax: 301-561-6521
  • Address: 9430 Key West Avenue
    Suite 220
    Rockville , MD 20850 null,nullUnited States
Contact Supplier

860-22-0 INDIGO CARMINE (C.I. 73015)

  • Germany AppliChem GmbH [Manufacturer]
  • Tel: +49 6151 93 57 0
  • Fax: +49 6151 93 57 11
  • Address: AppliChem GmbH
    Ottoweg 4
    64291 Darmstadt
    Germany null,nullGermany
Contact Supplier

860-22-0 FD&C Blue #2

  • India Saujanya Dye Chem [Manufacturer]
  • Tel: +91-(79)-26562413
  • Fax: +91-(79)-26563622
  • Address: 803, Satkar Building, C.G. Road, Navrangpura, Ahmedabad, Gujarat 380 006, null,nullIndia
Contact Supplier

Select to

2/3
Previous 1 2 3 Next
References of Acid Blue 74
Title: Indigo Carmine
CAS Registry Number: 860-22-0
CAS Name: 2-(1,3-Dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-1H-indole-5-sulfonic acid disodium salt
Synonyms: 3,3￠-dioxo-[D2,2￠-biindoline]-5,5￠-disulfonic acid disodium salt; disodium 5,5￠-indigotin disulfonate; sodium indigotin disulfonate; soluble indigo blue; indigotine; Acid Blue 74; C.I. Acid Blue 74; C.I. Food Blue 1; FD & C Blue No. 2; C.I. 73015
Molecular Formula: C16H8N2Na2O8S2
Molecular Weight: 466.35
Percent Composition: C 41.21%, H 1.73%, N 6.01%, Na 9.86%, O 27.45%, S 13.75%
Literature References: Synthesis and structure determination: Vorlander, Schubart, Ber. 34, 1860 (1901). Prepn and properties: Matthews, Color Trade J. 6, 96 (1920). See also Colour Index vol. 4 (3rd ed., 1971) p 4597.
Properties: Dark-blue powder with coppery luster. Sensitive to light. Its solns have a blue or bluish-purple color. One gram dissolves in about 100 ml water at 25°. Slightly sol in alcohol. Practically insol in most other organic solvents. It is also marketed as a paste with water, the dye contents varying according to specification or requirements of the user. It almost always contains sodium chloride or sulfate used for "salting" it out. Indigo carmine is very sensitive to oxidizing agents. The color is readily discharged by nitric acid, chlorates, etc. The color of the aq soln fades on standing.
Use: Colorant for nylon, surgical sutures, foods and ingested drugs. As a reagent for functional kidney tests, for detection of nitrates, chlorates and in testing milk.