Date published: 2025-10-17

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Sudan I (CAS 842-07-9)

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Alternate Names:
Solvent Yellow 14; 1-Phenylazo-2-naphthol
Application:
Sudan I is an orange-red dye used to color waxes, oils and other non-aqueous liquids
CAS Number:
842-07-9
Molecular Weight:
248.28
Molecular Formula:
C16H12N2O
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Sudan I (1-phenylazo-2-naphthol) is commonly known as Solvent Yellow 14 and Solvent Orange R and has an orange-red appearance. Mainly used to color waxes, oils and other non-aqueous liquids. Has also been used to produce colored smoke. Sudan dyes are a group of lipid soluble solvent dyes often called lysochromes, in structural classification they are diazo dyes. With the use of certain solvents, may also be used to stain some protein bound lipids in paraffin sections. Sudan I (sc-215922), Sudan III (sc-203761), and Sudan IV (sc-203762) have been classified as category 3 carcinogens by the International Agency for Research on Cancer.


Sudan I (CAS 842-07-9) References

  1. The induction of cytochrome P450 1A1 by sudan dyes.  |  Refat, NA., et al. 2008. J Biochem Mol Toxicol. 22: 77-84. PMID: 18418879
  2. A one-electron oxidation of carcinogenic nonaminoazo dye Sudan I by horseradish peroxidase.  |  Semanska, M., et al. 2008. Neuro Endocrinol Lett. 29: 712-6. PMID: 18987613
  3. Development of a highly sensitive and specific monoclonal antibody-based enzyme-linked immunosorbent assay (ELISA) for detection of Sudan I in food samples.  |  Wang, Y., et al. 2009. Talanta. 77: 1783-9. PMID: 19159799
  4. A review of analytical techniques for determination of Sudan I-IV dyes in food matrixes.  |  Rebane, R., et al. 2010. J Chromatogr A. 1217: 2747-57. PMID: 20299022
  5. Occurrence of Sudan I in paprika fruits caused by agricultural environmental contamination.  |  Lian, Y., et al. 2014. J Agric Food Chem. 62: 4072-6. PMID: 24766082
  6. Enzymes oxidizing the azo dye 1-phenylazo-2-naphthol (Sudan I) and their contribution to its genotoxicity and carcinogenicity.  |  Stiborova, M., et al. 2014. Curr Drug Metab. 15: 829-40. PMID: 25658126
  7. Melatonin reverses mitochondria dysfunction and oxidative stress-induced apoptosis of Sudan I-exposed mouse oocytes.  |  Xing, CH., et al. 2021. Ecotoxicol Environ Saf. 225: 112783. PMID: 34544023
  8. Polyoxometalates-graphene nanocomposites modified electrode for electro-sensing detection of Sudan I in food.  |  Qi, Y., et al. 2022. Food Chem Toxicol. 166: 113222. PMID: 35690185
  9. Sudan I monitoring as a hazardous azo dye using an electroanalytical tool amplified with NiO/SWCNTs-ionic liquid catalysts.  |  Arjmandi, J., et al. 2022. Chemosphere. 309: 136673. PMID: 36195124
  10. Multifunctional Carbon Dots-Based Fluorescence Detection for Sudan I, Sudan IV and Tetracycline Hydrochloride in Foods.  |  Zhang, M., et al. 2022. Nanomaterials (Basel). 12: PMID: 36500788

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Sudan I, 25 g

sc-215922
25 g
$28.00

Sudan I, 100 g

sc-215922A
100 g
$60.00