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Indigotine or Indigo Carmine Dye or Acid Blue 74 or FD&C Blue No. 2 Manufacturers
Anmol Chemicals is a manufacturer supplier exporter of Indigotine or Indigo Carmine Dye or Acid Blue 74 or FD&C Blue No. 2 and it offers materials as per IP BP EP Ph Eur USP NF JP FCC Food Grade as per the the latest monograph at best prices. Anmol Chemicals Group, established in 1976, is the pioneer manufacturer of Specialty Chemicals, Pharmaceutical Excipients, Some API, Food Chemicals in India. Anmol Chemicals Group has manufacturing facilities spread across Western India, representatives in Houston, Chicago USA and Dubai, UAE. We also have toll manufacturing units for processing chemicals in a few countries around the world. We make IP, BP, EP, USP, NF, Ph. Eur., JP, FCC or Food Grade, Analytical Reagent Grade, LR or Laboratory Reagent Grades and Pure Grades of various chemicals. All our items are analyzed to meet the required standards. We can supply the product in grams for your laboratory trial and in tons for your plant scale jobs.
We manufacture Bulk Drugs / API, Excipients, Pharmaceuticals (IP BP USP NF Ph Eur EP JP), Specialty Chemicals (Pure/Reagent), Mineral Fortifiers (FCC). Our manufacturing facility is FDA approved and GLP, cGMP, ISO9001, ISO14001, ISO/IEC 17025, ISO22000, FSSC 22000, ISO45001, FSSAI, Kosher, HALAL, COPP, WHO-GMP certified and Written Confirmation (WC) is available. Solid materials can be customized for particle size, shape, and bulk density. We observe WHO Good Manufacturing Practices and Good Laboratory Practices. We are a government-recognized STAR Export House and "Authorised Economic Operator (AEO)" per Indian Customs.
All technical documents and DMF support available.
Indigotine or Indigo Carmine Dye or Acid Blue 74 or FD&C Blue No. 2 SDS of Manufacturers
Synonyms: Indigo Carmine Dye or Acid Blue 74 or FD&C Blue No. 2 or Indigotine
CAS Number: 860-22-0, Molecular Weight: 466.35, Chemical Formula: C16H8N2Na2O8S2, EINECS EC Number: 212-728-8, FEMA: ----,
General Properties and Specifications of Indigo Carmine Dye or Acid Blue 74 or FD&C Blue No. 2 or Indigotine:
Appearance: Indigo to dark blue powder.
Total colouring matters calculated as the sodium salt: 85% minimum.
Water insoluble matter: 0.2% maximum.
pH: around 7
Melting point: >300C literature. No sharp melting point.
Solubility: Soluble in water. Insoluble in organic solvents.
FD&C Blue No. 2 FCC Food Grade Specifications:
Indigotine; Indigo Carmine; CI 73015; Class: Indigoid
C16H8N2O8S2Na2 Formula weight 466.36
INS: 132 CAS: 860-22-0
DESCRIPTION
FD&C Blue No. 2 is principally the disodium salt of 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-1H-indole-5-sulfonic acid, with smaller amounts of the disodium salt of 2-(1,3-dihydro-3-oxo-7-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-1H-indole-5-sulfonic acid and the sodium salt of 2-(1,3-dihydro-3-oxo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-1H-indole-5-sulfonic acid.
Function: Color.
REQUIREMENTS
Identification: The visible absorption spectrum of a sample of FD&C Blue No. 2 dissolved in 0.04 N aqueous ammonium acetate has a wavelength maximum of 610 nm, with an absorptivity of 0.0478 L/(mg·cm).
Arsenic (as As): Not more than 3 mg/kg.
Ether Extracts (combined): Not more than 0.4%.
Lead (as Pb): Not more than 10 mg/kg.
Mercury (as Hg): Not more than 1 mg/kg.
Subsidiary and Isomeric Colors:
Disodium Salt of 2-(1,3-Dihydro-3-oxo-7-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-1H-indole-5-sulfonic Acid: Not more than 18%.
Sodium Salt of 2-(1,3-Dihydro-3-oxo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-1H-indole-5-sulfonic Acid: Not more than 2%.
Total Color: Not less than 85%
Decomposition Products:
Isatin-5-sulfonic Acid Not more than 0.4%.
5-Sulfoanthranilic Acid Not more than 0.2%.
Volatile Matter (at 135C) and Chlorides and Sulfates (as sodium salts): Not more than 15% in combination.
Water-Insoluble Matter: Not more than 0.4%.
Indigotine FCC Food Grade Specifications:
CI Food Blue 1; Indigotine Disulfonate; Indigo Carmine;
CI 73015; Class: Indigoid
C16H8N2O8S2Na2 Formula weight 466.36
INS: 132 CAS: 860-22-0
DESCRIPTION
Indigotine occurs as a blue-brown to red-brown powder or granules. It dissolves in water to give a solution that is blue at neutrality, blue-violet in acid, and green to yellow-green in base. When dissolved in concentrated sulfuric acid, it yields a blue-violet solution that turns blue when diluted with water. It is insoluble in ethanol.
Function: Color.
REQUIREMENTS
Identification: A freshly prepared aqueous solution containing 20 mg of sample per liter exhibits absorbance intensities (A) and wavelength maxima as follows: at pH 7, A = 0.82 at 610 nm; at pH 1, A = 0.81 at 610 nm; and at pH 13, A = 0.2 at 610 nm, and A = 0.31 at 442 nm.
Assay: Not less than 85.0% total coloring matter.
Arsenic: Not more than 3 mg/kg.
Ether Extracts: (combined) Not more than 0.2%.
Lead: Not more than 10 mg/kg.
Loss on Drying (Volatile Matter) at 135C, Chlorides, and Sulfates (as sodium salts): Not more than 15.0% in combination.
Mercury: Not more than 1 mg/kg.
Subsidiary and Isomeric Colors:
Disodium Salt of 2-(1,3-Dihydro-3-oxo-7-sulfo-2H-indole-2-ylidene)-2,3-dihydro-3-oxo-1H-indole-5-sulfonic Acid: Not more than 18.0%.
Sodium Salt of 2-(1,3-Dihydro-3-oxo-2H-indole-2-ylidene)-2,3-dihydro-3-oxo-1H-indole-5-sulfonic Acid: Not more than 2.0%.
Uncombined Intermediates and Products of Side Reactions:
Isatin-5-sulfonic Acid Not more than 0.4%.
5-Sulfoanthranilic Acid Not more than 0.2%.
Water-Insoluble Matter: Not more than 0.4%.
Keywords: Indigotine or Indigo Carmine Dye or Acid Blue 74 or FD&C Blue No. 2 IP BP Ph Eur EP USP Analytical Reagent FCC Food Grade CAS Number 860-22-0 Manufacturer Supplier Exporter Monograph Uses Chemical Molecular Formula Weight.
Manufacturers
ANMOL CHEMICALS
Now maturing as Anmol Chemicals Private Limited
Representatives in Houston, Chicago and New York, USA
TEL: (OFF) +91 22 23726950, +91 22 23774610, +91 22 23723564
Taloja Navi Mumbai, INDIA
e-mail: info@anmol.org
Copyright and Usual Disclaimer is Applicable
Last updated
27-feb-24
Exporters to USA, Canada, UAE, Kuwait, Qatar, Gautemala, Tunisia, Europe, South Africa, Bangladesh, Sri Lanka, Tanzania, Kenya, Egypt, Iraq, Turkey, Israel, Vietnam, Nigeria, Uganda, Brazil, Chile, Argentina, Dubai, UAE, Saudi Arabia, Cameroon, Mexico, Brazil, Chile, Argentina, Korea, Thailand, Malaysia, Indonesia, Jakarta, Australia, China, Germany, France, etc.
Representatives in New York, Houston - Texas, Chicago - Illinois, Los Angeles.
All products are Sold for Industrial and Laboratory Use only. No other use is permitted.
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Indigo Carmine Dye
Indigotine or Indigo Carmine Dye or Acid Blue 74 or FD&C Blue No. 2 FCC Food Grades Manufacturers