MedKoo Cat#: 464248 | Name: Direct Red 75

Description:

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

Direct Red 75 is an azo dye.

Chemical Structure

Direct Red 75
Direct Red 75
CAS#2829-43-8

Theoretical Analysis

MedKoo Cat#: 464248

Name: Direct Red 75

CAS#: 2829-43-8

Chemical Formula: C33H22N8Na4O15S4

Exact Mass: 989.9678

Molecular Weight: 990.78

Elemental Analysis: C, 40.01; H, 2.24; N, 11.31; Na, 9.28; O, 24.22; S, 12.94

Price and Availability

This product is currently not in stock but may be available through custom synthesis. To ensure cost efficiency, the minimum order quantity is 1 gram. The estimated lead time is 2 to 4 months, with pricing dependent on the complexity of the synthesis (typically high for intricate chemistries). Quotes for quantities below 1 gram will not be provided. To request a quote, please click the button below. Note: If this product becomes available in stock in the future, pricing will be listed accordingly.
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Related CAS #
No Data
Synonym
Direct Red 75; C.I. 25380; NSC 11244; NSC11244; NSC-11244;
IUPAC/Chemical Name
sodium 5,5'-((1E,1'E)-((carbonylbis(azanediyl))bis(2-sulfonato-4,1-phenylene))bis(diazene-2,1-diyl))bis(6-amino-4-hydroxynaphthalene-2-sulfonate)
InChi Key
ZXRQHEAKVNYRIS-RRJGSHPESA-J
InChi Code
InChI=1S/C33H26N8O15S4.4Na/c34-21-5-1-15-9-19(57(45,46)47)13-25(42)29(15)31(21)40-38-23-7-3-17(11-27(23)59(51,52)53)36-33(44)37-18-4-8-24(28(12-18)60(54,55)56)39-41-32-22(35)6-2-16-10-20(58(48,49)50)14-26(43)30(16)32;;;;/h1-14,42-43H,34-35H2,(H2,36,37,44)(H,45,46,47)(H,48,49,50)(H,51,52,53)(H,54,55,56);;;;/q;4*+1/p-4/b40-38+,41-39+;;;;
SMILES Code
[O-]S(=O)(c(cc1O)cc2c1c(/N=N/c3c(S(=O)([O-])=O)cc(NC(Nc4cc(S(=O)([O-])=O)c(/N=N/c(c(N)cc5)c6c5cc(S(=O)([O-])=O)cc6O)cc4)=O)cc3)c(N)cc2)=O.[Na+].[Na+].[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
To be determined
Shelf Life
>2 years if stored properly
Drug Formulation
To be determined
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
Solvent mg/mL mM
Solubility
To be determined 0.0 0.00
Note: There can be variations in solubility for the same chemical from different vendors or different batches from the same vendor. The following factors can affect the solubility of the same chemical: solvent used for crystallization, residual solvent content, polymorphism, salt versus free form, degree of hydration, solvent temperature. Please use the solubility data as a reference only. Warming and sonication will facilitate dissolving. Still have questions? Please contact our Technical Support scientists.

Preparing Stock Solutions

The following data is based on the product molecular weight 990.78 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: Santos-Pereira GC, Corso CR, Forss J. Evaluation of two different carriers in the biodegradation process of an azo dye. J Environ Health Sci Eng. 2019 May 29;17(2):633-643. doi: 10.1007/s40201-019-00377-8. PMID: 32030139; PMCID: PMC6985336. 2: Saroj S, Kumar K, Pareek N, Prasad R, Singh RP. Biodegradation of azo dyes acid red 183, direct blue 15 and direct red 75 by the isolate Penicillium oxalicum SAR-3. Chemosphere. 2014 Jul;107:240-248. doi: 10.1016/j.chemosphere.2013.12.049. Epub 2014 Jan 10. PMID: 24418068. 3: Khalfaoui M, Nakhli A, Aguir Ch, Omri A, M'henni MF, Ben Lamine A. Statistical thermodynamics of adsorption of dye DR75 onto natural materials and its modifications: double-layer model with two adsorption energies. Environ Sci Pollut Res Int. 2014 Feb;21(4):3134-44. doi: 10.1007/s11356-013-2263-z. Epub 2013 Nov 8. PMID: 24203257. 4: Chadlia A, Mohamed K, Najah L, Farouk MM. Preparation and characterization of new succinic anhydride grafted Posidonia for the removal of organic and inorganic pollutants. J Hazard Mater. 2009 Dec 30;172(2-3):1579-90. doi: 10.1016/j.jhazmat.2009.08.030. Epub 2009 Aug 15. PMID: 19733964.