Solvent Blue 35

• CAS: 17354-14-2
• Catalog Number: ACM17354142
• Category: Main Products
• Molecular Weight: 350.45
• Molecular Formula: C22H26N2O2
• Synonyms: Sudan Blue II/Solvent Blue 35
• Melting Point: 120-122 °C
• Appearance: Dark violet powder

Case Study

Orange II and Solvent Blue 35 Dye Pair Used to Validate Solute Separation in Organic Solvent Nanofiltration

Volkov, Alexey, et al. Separation and Purification Technology, 2014, 124, 43-48.

The concept of negative retention in OSN for solute fractionation was developed and successfully implemented. Using membranes made of poly[1-(trimethylsilyl)-1-propyne] (PTMSP) and ethanol as a solvent, this principle was successfully proved for two different pairs of dyes: (a) Orange II (anionic; 350 Da) and Solvent Blue 35 (neutral; 350 Da); (b) Remazol Brilliant Blue R (anionic; 626 Da) and Oil Red O (neutral; 408 Da).
The solutes ratio in the permeate after one step filtration with 80% of liquid recovery was achieved as follows (initial ratio in the feed - 1:1): 1:10 for Orange II to Solvent Blue 35 and 1:26 for Remazol Brilliant Blue R to Oil Red O. With compromising of liquid recovery, the solutes ratio in the permeate can be significantly improved.
The pronounced retention differences of solutes resulted from membrane-solute interactions which were quantified by the equilibrium solute distribution coefficient K between the membrane and liquid along with differences in solubility parameters δ. (a) The solute distribution coefficient K values for Orange II and Remazol Brilliant Blue R at less than 1 demonstrated that both anionic dyes stay concentrated in the liquid phase which leads to a solute retention rate over 90%. The observation of substantial K values exceeding 10 for Solvent Blue 35 and Oil Red O demonstrates that these neutral solutes possess strong membrane material affinity and fit well into PTMSP's interconnected free volume spaces. (b) The transport of solutes based on their solubility led to an outcome of negative retention. The solubility parameter δ analysis revealed that neutral solutes demonstrate stronger membrane material attraction than ethanol while PTMSP shows greater affinity towards solvent molecules than selected anionic dyes.

Application of Solvent Blue 35 Dye in Biodiesel Preservation

de Souza, Ana Caroline Dias, et al. Coloration Technology, 2017, 133(2), 165-169.

The anthraquinone dye CI Solvent Blue 35 (SB-35) serves as a common fuel marker to identify both the origin and quality of fuel. This research assessed antioxidant activity between Solvent Blue 35 dye (SB-35) and tert-butylhydroquinone (TBHQ) throughout simulated high temperature storage of oilseed radish oil (OSR) and biodiesel (OSRB).
· Evaluation method: accelerated storage study
The antioxidants TBHQ and SB-35 were individually and jointly added to degummed oil (OSR) and biodiesel (OSRB), at approximately 109 g each, in varying concentrations (mg kg-1). These samples were then subjected to continuous heating at 90 °C in a laboratory oven for 49 days to simulate conditions similar to biodiesel degradation, assessed using the Rancimat method. Throughout this storage period, the acid value (AV) and peroxide value (PV) of the samples were measured weekly.
· Evaluation results
The findings indicated that a combination of the conventional antioxidant TBHQ and the solvent dye SB-35, both at low concentrations, significantly enhanced the stability of OSR and OSRB, effectively inhibiting the development of acid and insolubles during high-temperature storage. Additionally, this proposed combination holds market potential for biodiesel preservation, as it addresses stability issues with a reduced additive quantity-nearly eight times less-providing a cost-effective solution.

Custom Q&A

What is the molecular formula of Solvent Blue 35?

The molecular formula of Solvent Blue 35 is C22H26N2O2.

What is the molecular weight of Solvent Blue 35?

The molecular weight of Solvent Blue 35 is 350.5 g/mol.

What is the IUPAC name of Solvent Blue 35?

The IUPAC name of Solvent Blue 35 is 1,4-bis(butylamino)anthracene-9,10-dione.

What is the Canonical SMILES of Solvent Blue 35?

The Canonical SMILES of Solvent Blue 35 is CCCCNC1=C2C(=C(C=C1)NCCCC)C(=O)C3=CC=CC=C3C2=O.

What is the InChIKey of Solvent Blue 35?

The InChIKey of Solvent Blue 35 is OCQDPIXQTSYZJL-UHFFFAOYSA-N.

What is the CAS number of Solvent Blue 35?

The CAS number of Solvent Blue 35 is 17354-14-2.

What is the XLogP3-AA value of Solvent Blue 35?

The XLogP3-AA value of Solvent Blue 35 is 6.4.

How many hydrogen bond donor counts are there in Solvent Blue 35?

There are 2 hydrogen bond donor counts in Solvent Blue 35.

What is the topological polar surface area of Solvent Blue 35?

The topological polar surface area of Solvent Blue 35 is 58.2 Å2.

How many rotatable bond counts are there in Solvent Blue 35?

There are 8 rotatable bond counts in Solvent Blue 35.