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Acid Red 27

Acid Red 27 Structure
Acid Red 27
  • CAS No.915-67-3
  • Chemical Name:Acid Red 27
  • CBNumber:CB2468655
  • Molecular Formula:C20H11N2Na3O10S3
  • Formula Weight:604.47
  • MOL File:915-67-3.mol
Acid Red 27 Property
  • Melting point: :>300°C
  • Density  :1.5
  • storage temp.  :Sealed in dry,Room Temperature
  • solubility  :H2O: soluble10mg/mL
  • form  :Crystalline Powder
  • Colour Index  :16185
  • color  :Dark reddish-brown to dark brown
  • Water Solubility  :50 g/L (20 ºC)
  • λmax :520 nm
  • Merck  :14,375
  • BRN  :4122311
  • Stability: :Stable. Incompatible with strong oxidizing agents.
  • Biological Applications :Detecting membrane-potential change; treating acquired resistance to GABAergic (ARG) agents
  • InChIKey :WLDHEUZGFKACJH-ZRUFZDNISA-K
  • CAS DataBase Reference :915-67-3
  • Substances Added to Food (formerly EAFUS) :FD&C RED NO. 2--DELISTED
  • EWG's Food Scores :2-5
  • IARC :3 (Vol. 8, Sup 7) 1987
  • EPA Substance Registry System :C.I. Acid Red 27, trisodium salt (915-67-3)
Safety
Hazard and Precautionary Statements (GHS)
  • Symbol(GHS)
  • Signal wordWarning
  • Hazard statements H315-H319-H335
  • Precautionary statements P261-P305+P351+P338
Acid Red 27 Price More Price(6)
  • Brand: Sigma-Aldrich
  • Product number: A1016
  • Product name : Amaranth
  • Purity: Dye content 85-95%
  • Packaging: 50g
  • Price: $53.7
  • Updated: 2021/03/22
  • Buy: Buy
  • Brand: Sigma-Aldrich
  • Product number: A1016
  • Product name : Amaranth
  • Purity: Dye content 85-95%
  • Packaging: 100g
  • Price: $92.5
  • Updated: 2021/03/22
  • Buy: Buy
  • Brand: TCI Chemical
  • Product number: F0138
  • Product name : Food Red No. 2
  • Purity: 
  • Packaging: 25g
  • Price: $107
  • Updated: 2021/03/22
  • Buy: Buy
  • Brand: TCI Chemical
  • Product number: A0583
  • Product name : Acid Red 27
  • Purity: >90.0%(E)
  • Packaging: 25g
  • Price: $24
  • Updated: 2021/03/22
  • Buy: Buy
  • Brand: Sigma-Aldrich
  • Product number: 87612
  • Product name : Amaranth
  • Purity:  analytical standard
  • Packaging: 25mg
  • Price: $176
  • Updated: 2021/03/22
  • Buy: Buy

Acid Red 27 Chemical Properties,Usage,Production

  • Description Amaranth (FD & C Red No. 2) consists essentially of a trisodium 2-hydroxy-l-(4-sulfonato-1-naphthy lazo)naphthalene 3,6-disulfonate and subsidiary coloring matters together with sodium chloride and/or sodium sulfate as the principal uncolored components. Amaranth may be converted to the corresponding aluminum lake.
  • Chemical Properties solid
  • Uses Dyeing wool and silk bright bluish-red from an acid bath. Food colorant. As indicator. In color photography.
  • Definition An azo dye derived from naphthionic and R acids.
  • World Health Organization (WHO) Approval of amaranth as a permitted colouring agent in foods and pharmaceutical products was withdrawn by the United States FDA in 1976, on the basis of positive findings in carcinogenicity tests which were later disputed on technical grounds and which have not been confirmed in subsequent tests. It has since been withdrawn by some other national regulatory authorities because of uncertainty regarding its safety, but elsewhere it remains widely used.
  • General Description Dark red to dark purple powder. Almost no odor. Tastes salty. pH (1% solution in water) approximately 10.8. Used to dye wool and silk bright bluish-red from an acid bath.
  • Air & Water Reactions Can be explosive as an airborne dust at certain concentrations. Moderately soluble in water.
  • Reactivity Profile Acid Red 27 may form toxic gases with acids, aldehydes, amides, carbamates, cyanides, inorganic fluorides, halogenated organics, isocyanates, ketones, metals, nitrides, peroxides, phenols, epoxides, acyl halides, and strong oxidizing or reducing agents. May form flammable gases with alkali metals. Explosive combination can occur with strong oxidizing agents, metal salts, peroxides, and sulfides.
  • Hazard A questionable carcinogen. May not be used in foods, drugs, or cosmetics.
  • Fire Hazard Flash point data for Acid Red 27 are not available; however, Acid Red 27 is probably combustible.
  • Properties and Applications

    Standard

    Light Fastness

    Soaping

    Persperation Fastness

    Oxygen bleaching

    Fastness to seawater

    Fading

    Stain

    Fading

    Stain

    Fading

    Stain

    ISO

    3

    3

    5

    3-4

    1

    4-5

    3

    2

    AATCC

    5

    3

    3

    3-4

    2

    2

    1

    1

Acid Red 27 Preparation Products And Raw materials
Raw materials
Preparation Products
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  • Amaranth, pure, 85%
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  • FOODRED9(16185)
  • trisodium salt of1-(4-sulfo-1-naphthylazo)-2-naphthot-3,6-disulfonic acid
  • Sodium (Z)-3-hydroxy-4-((4-sulfonatonaphthalen-1-yl)diazenyl)naphthalene-2,7-disulfonate
  • Amaranth, 85%, pure
  • C.I.1685
  • C.I.16185:1
  • FD and C Red No.2 Aluminum Lake
  • FD&C Red No.2 Aluminum Lake
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  • 2,7-Naphthalenedisulfonicacid,3-hydroxy-4-[(4-sulfo-1-naphthalenyl)azo]-,trisodiumsalt