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MedKoo Cat#: 596151 | Name: Allura Red AC dye
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Description:

WARNING: This product is for research use only, not for human or veterinary use.

Allura Red AC is a red azo dye that goes by several names.[1] It is used as a food dye and has the E number E129. It is usually supplied as its dark red sodium salt, but can also be used as the calcium and potassium salts. These salts are soluble in water. In solution, its maximum absorbance lies at about 504 nm.

Chemical Structure

Allura Red AC dye
CAS#25956-17-6

Theoretical Analysis

MedKoo Cat#: 596151

Name: Allura Red AC dye

CAS#: 25956-17-6

Chemical Formula: C18H14N2Na2O8S2

Exact Mass: 0.0000

Molecular Weight: 496.41

Elemental Analysis: C, 43.55; H, 2.84; N, 5.64; Na, 9.26; O, 25.78; S, 12.92

Price and Availability

Size Price Availability Quantity
100mg USD 350.00 2 Weeks
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Related CAS #
No Data
Synonym
Allura Red AC dye; CI 16035; CI-16035; CI16035; Curry red; FD & C Red no. 40; Food Red 17; Fancy Red;
IUPAC/Chemical Name
sodium (E)-6-hydroxy-5-((2-methoxy-5-methyl-4-sulfonatophenyl)diazenyl)naphthalene-2-sulfonate
InChi Key
CEZCCHQBSQPRMU-LLIZZRELSA-L
InChi Code
InChI=1S/C18H16N2O8S2.2Na/c1-10-7-14(16(28-2)9-17(10)30(25,26)27)19-20-18-13-5-4-12(29(22,23)24)8-11(13)3-6-15(18)21;;/h3-9,21H,1-2H3,(H,22,23,24)(H,25,26,27);;/q;2*+1/p-2/b20-19+;;
SMILES Code
O=S(C1=CC=C2C(/N=N/C3=C(OC)C=C(S(=O)([O-])=O)C(C)=C3)=C(O)C=CC2=C1)([O-])=O.[Na+].[Na+]
Appearance
Solid powder
Purity
>98% (or refer to the Certificate of Analysis)
Shipping Condition
Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.
Storage Condition
Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).
Solubility
Soluble in DMSO
Shelf Life
>2 years if stored properly
Drug Formulation
This drug may be formulated in DMSO
Stock Solution Storage
0 - 4 C for short term (days to weeks), or -20 C for long term (months).
HS Tariff Code
2934.99.9001
More Info

Preparing Stock Solutions

The following data is based on the product molecular weight 496.41 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL
1: Ou Y, Wang X, Lai K, Huang Y, Rasco BA, Fan Y. Gold Nanorods as Surface-Enhanced Raman Spectroscopy Substrates for Rapid and Sensitive Analysis of Allura Red and Sunset Yellow in Beverages. J Agric Food Chem. 2018 Mar 21;66(11):2954-2961. doi: 10.1021/acs.jafc.8b00007. Epub 2018 Mar 6. PubMed PMID: 29489346. 2: Bastaki M, Farrell T, Bhusari S, Pant K, Kulkarni R. Lack of genotoxicity in vivo for food color additive Allura Red AC. Food Chem Toxicol. 2017 Jul;105:308-314. doi: 10.1016/j.fct.2017.04.037. Epub 2017 Apr 27. PubMed PMID: 28458012. 3: Feketea G, Tsabouri S. Common food colorants and allergic reactions in children: Myth or reality? Food Chem. 2017 Sep 1;230:578-588. doi: 10.1016/j.foodchem.2017.03.043. Epub 2017 Mar 16. Review. PubMed PMID: 28407952. 4: Li K, Xia Y, Ma G, Zhao Y, Pidatala VR. New LC-MS/MS Method for the Analysis of Allura Red Level in Takeaway Chinese Dishes and Urine of an Adult Chinese Population. J Agric Food Chem. 2017 Mar 29;65(12):2588-2593. doi: 10.1021/acs.jafc.6b05310. Epub 2017 Mar 15. PubMed PMID: 28266214. 5: Lelis CA, Hudson EA, Ferreira GMD, Ferreira GMD, da Silva LHM, da Silva MDCH, Pinto MS, Pires ACDS. Binding thermodynamics of synthetic dye Allura Red with bovine serum albumin. Food Chem. 2017 Feb 15;217:52-58. doi: 10.1016/j.foodchem.2016.08.080. Epub 2016 Aug 24. PubMed PMID: 27664607. 6: Yu Y, Fan Z. Magnetic solid-phase extraction coupled with HPLC for the determination of Allura Red in food and beverage samples. Food Addit Contam Part A Chem Anal Control Expo Risk Assess. 2016 Oct;33(10):1527-1534. Epub 2016 Sep 19. PubMed PMID: 27601097. 7: Doell DL, Folmer DE, Lee HS, Butts KM, Carberry SE. Exposure estimate for FD&C colour additives for the US population. Food Addit Contam Part A Chem Anal Control Expo Risk Assess. 2016 May;33(5):782-97. doi: 10.1080/19440049.2016.1179536. Epub 2016 May 10. PubMed PMID: 27092991; PubMed Central PMCID: PMC4975380. 8: Unlu I, Leisnham PT, Williams GM, Klingler K, Dow GW, Kirchoff N, Jin S, Delisi N, Montenegro K, Faraji A. Effects of a Red Marker Dye on Aedes and Culex Larvae: Are There Implications for Operational Mosquito Control? J Am Mosq Control Assoc. 2015 Dec;31(4):375-9. doi: 10.2987/moco-31-04-375-379.1. PubMed PMID: 26675462. 9: Heidarizadi E, Tabaraki R. Simultaneous spectrophotometric determination of synthetic dyes in food samples after cloud point extraction using multiple response optimizations. Talanta. 2016;148:237-46. doi: 10.1016/j.talanta.2015.10.075. Epub 2015 Oct 27. PubMed PMID: 26653445. 10: Honma M. Evaluation of the in vivo genotoxicity of Allura Red AC (Food Red No. 40). Food Chem Toxicol. 2015 Oct;84:270-5. doi: 10.1016/j.fct.2015.09.007. Epub 2015 Sep 11. PubMed PMID: 26364875. 11: Cheng Q, Xia S, Tong J, Wu K. Highly-sensitive electrochemical sensing platforms for food colourants based on the property-tuning of porous carbon. Anal Chim Acta. 2015 Aug 5;887:75-81. doi: 10.1016/j.aca.2015.06.013. Epub 2015 Jul 9. PubMed PMID: 26320788. 12: Liang TW, Lo BC, Wang SL. Chitinolytic Bacteria-Assisted Conversion of Squid Pen and Its Effect on Dyes and Pigments Adsorption. Mar Drugs. 2015 Jul 23;13(8):4576-93. doi: 10.3390/md13084576. PubMed PMID: 26213948; PubMed Central PMCID: PMC4556994. 13: Thiam A, Sirés I, Centellas F, Cabot PL, Brillas E. Decolorization and mineralization of Allura Red AC azo dye by solar photoelectro-Fenton: Identification of intermediates. Chemosphere. 2015 Oct;136:1-8. doi: 10.1016/j.chemosphere.2015.03.047. Epub 2015 Apr 13. PubMed PMID: 25880813. 14: Thiam A, Sirés I, Garrido JA, Rodríguez RM, Brillas E. Decolorization and mineralization of Allura Red AC aqueous solutions by electrochemical advanced oxidation processes. J Hazard Mater. 2015 Jun 15;290:34-42. doi: 10.1016/j.jhazmat.2015.02.050. Epub 2015 Feb 19. PubMed PMID: 25734532. 15: Liang TW, Huang CT, Dzung NA, Wang SL. Squid pen chitin chitooligomers as food colorants absorbers. Mar Drugs. 2015 Jan 20;13(1):681-96. doi: 10.3390/md13010681. PubMed PMID: 25608726; PubMed Central PMCID: PMC4306958. 16: Vojdani A, Vojdani C. Immune reactivity to food coloring. Altern Ther Health Med. 2015;21 Suppl 1:52-62. PubMed PMID: 25599186. 17: Wu D, Yan J, Wang J, Wang Q, Li H. Characterisation of interaction between food colourant allura red AC and human serum albumin: multispectroscopic analyses and docking simulations. Food Chem. 2015 Mar 1;170:423-9. doi: 10.1016/j.foodchem.2014.08.088. Epub 2014 Aug 28. PubMed PMID: 25306366. 18: Turak F, Ozgur MU. Simultaneous determination of Allura Red and Ponceau 4R in drinks with the use of four derivative spectrophotometric methods and comparison with high-performance liquid chromatography. J AOAC Int. 2013 Nov-Dec;96(6):1377-86. PubMed PMID: 24645518. 19: Wang L, Zhang G, Wang Y. Binding properties of food colorant allura red with human serum albumin in vitro. Mol Biol Rep. 2014 May;41(5):3381-91. doi: 10.1007/s11033-014-3200-z. Epub 2014 Feb 6. PubMed PMID: 24500342. 20: Liang TW, Chen SY, Chen YC, Chen CH, Yen YH, Wang SL. Enhancement of prodigiosin production by Serratia marcescens TKU011 and its insecticidal activity relative to food colorants. J Food Sci. 2013 Nov;78(11):M1743-51. doi: 10.1111/1750-3841.12272. Epub 2013 Oct 2. PubMed PMID: 24117432.