fd&c blue no. 2 aluminum lake (c.i. 73015 (Al))
1H-indole-5-sulfonic acid, 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-, aluminum complex
 
Notes:
tsca definition 2008: this substance is identified in the colour index by colour index constitution number, c.i. 73015 aluminum salt. Colour additive for food
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aluminum (2E)-3-oxo-2-(3-oxo-5-sulfo-1H-indol-2-ylidene)-1H-indole-5-sulfonic acid (Click)
CAS Number: 16521-38-3Picture of molecule
ECHA EINECS - REACH Pre-Reg: 240-589-3
Molecular Weight: 449.37483860
Formula: C16 H10 Al N2 O8 S2
NMR Predictor: Predict (works with chrome or firefox)
Category: hair dyeing agents
 
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
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US Patents: Search
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Pubchem Patents: Search
FDA Mainterm: FD&C BLUE NO. 2, ALUMINUM LAKE
FDA Regulation:
FDA PART 176 -- INDIRECT FOOD ADDITIVES: PAPER AND PAPERBOARD COMPONENTS
Subpart B--Substances for Use Only as Components of Paper and Paperboard
Sec. 176.180 Components of paper and paperboard in contact with dry food.


FDA PART 74 -- LISTING OF COLOR ADDITIVES SUBJECT TO CERTIFICATION
Subpart B--Drugs
Sec. 74.1102 FD&C Blue No. 2.


FDA PART 74 -- LISTING OF COLOR ADDITIVES SUBJECT TO CERTIFICATION
Subpart D--Medical Devices
Sec. 74.3102 FD&C Blue No. 2.
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Physical Properties:
Appearance: blue powder (est)
Assay: 96.00 to 100.00 % 
Food Chemicals Codex Listed: No
Flash Point: 32.00 °F. TCC ( 0.00 °C. ) (est)
logP (o/w): 1.630
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Organoleptic Properties:
  
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Cosmetic Information:
CosIng: cosmetic data
Cosmetic Uses: hair dyeing agents
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Suppliers:
Rung International
FD&C Blue No.2 Lake
Odor: characteristic
Use: FD&C Blue No.2 Lake must be completely dispersed in food to optimize performance. High usage levels in food can lead to consumer complaints of stool-staining. Minimize use in pet foods- acceptable for pet treats.
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Safety Information:
 
Hazards identification
 
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
 
Pictogram
 
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
Not determined
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
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Safety in Use Information:
Category: hair dyeing agents
Recommendation for fd&c blue no. 2 aluminum lake (c.i. 73015 (Al)) usage levels up to:
 not for fragrance use.
 
Recommendation for fd&c blue no. 2 aluminum lake (c.i. 73015 (Al)) flavor usage levels up to:
 not for flavor use.
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Safety References:
EPA Substance Registry Services (TSCA): 16521-38-3
EPA ACToR: Toxicology Data
EPA Substance Registry Services (SRS): Registry
Laboratory Chemical Safety Summary : 5362521
National Institute of Allergy and Infectious Diseases: Data
WGK Germany: 2
 aluminum (2E)-3-oxo-2-(3-oxo-5-sulfo-1H-indol-2-ylidene)-1H-indole-5-sulfonic acid
Chemidplus: 0016521383
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References:
 aluminum (2E)-3-oxo-2-(3-oxo-5-sulfo-1H-indol-2-ylidene)-1H-indole-5-sulfonic acid
NIST Chemistry WebBook: Search Inchi
Canada Domestic Sub. List: 16521-38-3
Pubchem (cid): 5362521
Pubchem (sid): 135017193
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Other Information:
(IUPAC): Atomic Weights of the Elements 2009
(IUPAC): Atomic Weights of the Elements 2009 (pdf)
Videos: The Periodic Table of Videos
tgsc: Atomic Weights use for this web site
(IUPAC): Periodic Table of the Elements
FDA Everything Added to Food in the United States (EAFUS): View
HMDB (The Human Metabolome Database): HMDB37737
FooDB: FDB016867
FDA Color Additive Status ListView
ChemSpider: View
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Potential Blenders and core components note
 
None Found
 
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Potential Uses:
 cosmetic colorants 
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Occurrence (nature, food, other): note
 not found in nature
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Synonyms:
 acid blue 74-aluminum lake
 aluminum (2E)-3-oxo-2-(3-oxo-5-sulfo-1H-indol-2-ylidene)-1H-indole-5-sulfonic acid
 aluminum 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-1H-indole-5-sulfonic acid complex
 aluminum 3,3'-dioxo-(d2,2-biindoline)-5,5'disulfonate
 aluminum 3,3'-dioxo-(delta2,2-biindoline)-5,5'disulfonate
73015aluminum lake
 aluminum, 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-1H-indole-5-sulfonic acid complex
(d2,2-biindoline)-5,5'-disulfonic acid, 3,3'-dioxo-, aluminum salt
 c.i. 73015 (Al)
 C.I. acid blue 74-aluminum lake
 C.I. food blue 1-aluminum lake
 C.I. food blue 1:1
 C.I. pigment blue 63
 certolake indigo carmine
 ci 73015 (Al)
 fd&c blue no. 2 aluminum lake (c.i. 73015 (Al))
 FD&C blue no. 2-aluminum lake
 food blue 1-aluminum lake
 food blue 1:1
 food blue no. 2-aluminum lake
 indigo carmine-aluminum lake
 indigo disulfonic acid, aluminum salt
 indigotine-aluminum lake
1H-indole-5-sulfonic acid, 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-, aluminum complex
 japan blue 2 aluminum lake
 japan food blue no. 2 aluminum lake
 pigment blue 63
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Articles:
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