Synonym
C.I. Acid Red 14; NSC 7807; NSC7807; NSC-7807; Carmoisine; Carmoisin; Azorubine; Azorubin; E122; E 122; E-122;
IUPAC/Chemical Name
sodium (E)-4-hydroxy-3-((4-sulfonatonaphthalen-1-yl)diazenyl)naphthalene-1-sulfonate
InChi Key
YSVBPNGJESBVRM-ZPZFBZIMSA-L
InChi Code
InChI=1S/C20H14N2O7S2.2Na/c23-20-15-8-4-3-7-14(15)19(31(27,28)29)11-17(20)22-21-16-9-10-18(30(24,25)26)13-6-2-1-5-12(13)16;;/h1-11,23H,(H,24,25,26)(H,27,28,29);;/q;2*+1/p-2/b22-21+;;
SMILES Code
Oc(c(/N=N/c(ccc1S(=O)([O-])=O)c2c1cccc2)cc3S(=O)([O-])=O)c4c3cccc4.[Na+].[Na+]
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
>3 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
Preparing Stock Solutions
The following data is based on the
product
molecular weight
502.42
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.
| 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 |
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2: Idel-aouad R, Valiente M, Yaacoubi A, Tanouti B, López-Mesas M. Rapid decolourization and mineralization of the azo dye C.I. Acid Red 14 by heterogeneous Fenton reaction. J Hazard Mater. 2011 Feb 15;186(1):745-50. doi: 10.1016/j.jhazmat.2010.11.056. Epub 2010 Nov 20. PMID: 21145163.
3: Kasiri MB, Aleboyeh H, Aleboyeh A. Mineralization of C.I. Acid Red 14 azo dye by UV/Fe-ZSM5/H2O2, process. Environ Technol. 2010 Feb;31(2):165-73. doi: 10.1080/09593330903397771. PMID: 20391801.
4: Qu B, Zhou J, Xiang X, Zheng C, Zhao H, Zhou X. Adsorption behavior of azo dye C. I. acid red 14 in aqueous solution on surface soils. J Environ Sci (China). 2008;20(6):704-9. doi: 10.1016/s1001-0742(08)62116-6. PMID: 18763565.
5: Lin JJ, Zhao XS, Liu D, Yu ZG, Zhang Y, Xu H. The decoloration and mineralization of azo dye C.I. Acid Red 14 by sonochemical process: rate improvement via Fenton's reactions. J Hazard Mater. 2008 Sep 15;157(2-3):541-6. doi: 10.1016/j.jhazmat.2008.01.050. Epub 2008 Jan 20. PMID: 18314263.
6: Daneshvar N, Khataee AR. Removal of azo dye C.I. acid red 14 from contaminated water using Fenton, UV/H(2)O(2), UV/H(2)O(2)/Fe(II), UV/H(2)O(2)/Fe(III) and UV/H(2)O(2)/Fe(III)/oxalate processes: a comparative study. J Environ Sci Health A Tox Hazard Subst Environ Eng. 2006;41(3):315-28. doi: 10.1080/10934520500423196. PMID: 16484066.
7: National Toxicology Program. Carcinogenesis Bioassay of C.I. Acid Red 14 (CAS No. 3567-69-9) in F344/N Rats and B6C3F1 Mice (Feed Study). Natl Toxicol Program Tech Rep Ser. 1982 Mar;220:1-147. PMID: 12778216.
