Lignosulfonic acid sodium salt
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| Category | Others |
| Catalog number | BBF-03950 |
| CAS | 8061-51-6 |
| Molecular Weight | 534.51 |
| Molecular Formula | C20H24Na2O10S2 |
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Description
Lignosulfonic acid sodium salt is a lignin-derived macromolecule with antiviral activity and can effectively resist HIV and HSV in vitro.
Specification
| Synonyms | Sodium lignosulfonate; Vanisperse |
| IUPAC Name | disodium;(2R)-3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate |
| Canonical SMILES | COC1=CC=CC(=C1O)CC(CS(=O)(=O)[O-])OC2=C(C=C(C=C2)CCCS(=O)(=O)[O-])OC.[Na+].[Na+] |
| InChI | InChI=1S/C20H26O10S2.2Na/c1-28-18-7-3-6-15(20(18)21)12-16(13-32(25,26)27)30-17-9-8-14(11-19(17)29-2)5-4-10-31(22,23)24;;/h3,6-9,11,16,21H,4-5,10,12-13H2,1-2H3,(H,22,23,24)(H,25,26,27);;/q;2*+1/p-2/t16-;;/m1./s1 |
| InChI Key | YDEXUEFDPVHGHE-GGMCWBHBSA-L |
Properties
| Appearance | Brown Powder |
| Application | Used as a dispersant, emulsion stabilizer, chelator, and ore flotation agent; Also used to enhance PCBs biodegradation, as a concrete additive, in oil well drilling muds, as a soil stabilizer and road binder, to modify viscosity of molasses in animal feeds, as a binder (ceramics, bricks, and refractories), and as a veterinary medication. |
| Antibiotic Activity Spectrum | viruses |
| Boiling Point | 1704°C |
| Melting Point | 993°C |
| Solubility | water, 5.224e+005 mg/L @ 25 °C (est) |
Reference Reading
1. Influence of various shapes of alumina nanoparticle in integrated polysulfone membrane for separation of lignin from woody biomass and salt rejection
G Arthanareeswaran, K Deepa Environ Res . 2022 Jun;209:112820. doi: 10.1016/j.envres.2022.112820.
Lignin valorization is essential in proposing an economic perspective as a raw material for valuable compounds. The bio-refineries require adequate processing to improve the high purity of lignin. Meanwhile, nanofiltration is fascinated attention to obtain high purity value-added products. The effect of alumina nanoparticles on the fabrication of mixed matrix membranes (MMM) has contributed to improvising filtration performance. However, incorporating nanoparticles is a significant issue regarding appropriate size and shape integrated into membrane for better filtration efficiency. The influence of shapes of alumina nanoparticles has been investigated into polysulfone (PSf) membranes for salt and lignin separation. The morphology of alumina was tailored with spindle, cubic, and spherical shapes synthesized at a different calcination temperature of 250, 500, 700 and 900 °C, respectively. The phase transitions were confirmed in X-ray diffraction (XRD) analysis, and the shape of the nanoparticles was observed in a high-resolution transmission electron microscope (HRTEM). The separation efficiency of membranes was tested with salt rejection using sodium sulfate, calcium chloride, potassium sulfate, and sodium chloride. The lignin was extracted from prehydrolysed sawdust, and the synthetic lignosulfonic acid sodium salt solution was separated. The higher lignin rejection of 98.6% and 97.9% were obtained for cubic shaped gamma phase alumina mixed matrix membrane. The high rejection of lignin occurred due to narrow pores channels that could resist the transfer of lignin through the membrane. The results proved that the controllable organization of PSf/alumina mixed matrix membranes could apply for lignocellulose compounds with good efficiency.
2. Developing energy efficient lignin biomass processing - towards understanding mediator behaviour in ionic liquids
Andinet Ejigu, Gill Stephens, Anna K Croft, George Z Chen, Darren A Walsh, Majd Eshtaya Faraday Discuss . 2016 Aug 15;190:127-45. doi: 10.1039/c5fd00226e.
Environmental concerns have brought attention to the requirement for more efficient and renewable processes for chemicals production. Lignin is the second most abundant natural polymer, and might serve as a sustainable resource for manufacturing fuels and aromatic derivatives for the chemicals industry after being depolymerised. In this work, the mediator 2,2'-azino-bis(3-ethylbenthiazoline-6-sulfonic acid) diammonium salt (ABTS), commonly used with enzyme degradation systems, has been evaluated by means of cyclic voltammetry (CV) for enhancing the oxidation of the non-phenolic lignin model compound veratryl alcohol and three types of lignin (organosolv, Kraft and lignosulfonate) in the ionic liquid 1-ethyl-3-methylimidazolium ethyl sulfate, ([C2mim][C2SO4]). The presence of either veratryl alcohol or organosolv lignin increased the second oxidation peak of ABTS under select conditions, indicating the ABTS-mediated oxidation of these molecules at high potentials in [C2mim][C2SO4]. Furthermore, CV was applied as a quick and efficient way to explore the impact of water in the ABTS-mediated oxidation of both organosolv and lignosulfonate lignin. Higher catalytic efficiencies of ABTS were observed for lignosulfonate solutions either in sodium acetate buffer or when [C2mim][C2SO4] (15 v/v%) was present in the buffer solution, whilst there was no change found in the catalytic efficiency of ABTS in [C2mim][C2SO4]-lignosulfonate mixtures relative to ABTS alone. In contrast, organosolv showed an initial increase in oxidation, followed by a significant decrease on increasing the water content of a [C2mim][C2SO4] solution.
3. Adsorption characteristics of lignosulfonates in salt-free and salt-added aqueous solutions
Xinping Ouyang, Pan Zhang, Xueqing Qiu, Yonghong Deng, Yong Qian Biomacromolecules . 2011 Sep 12;12(9):3313-20. doi: 10.1021/bm200808p.
Five sodium lignosulfonate (SL) fractions with narrow molecular weight distribution and known salt content were used as the polyanion to build up layer-by-layer self-assembly multilayers with poly(diallyldimethylammonium chloride) (PDAC) as polycation. It is interesting to find that the salt-free SL is hardly adsorbed on the PDAC surface, but the SL in salt-added solutions can be self-assembled well with PDAC to form SL/PDAC multilayers. When the five SL fractions dissolved in saline solutions are adsorbed on the PDAC surface by a self-assembly technique, SL with higher M(w) shows a higher adsorption amount than does SL with lower M(w). The driving forces of self-assembly of SL and PDAC are discussed based on the solution behaviors and adsorption characteristics of SL in salt-free and salt-added aqueous solutions. A possible self-assembled mechanism of SL and PDAC is electrostatic or cation-π interactions, but the SL cannot be adsorbed onto the PDAC surface without a hydrophobic interaction. With the addition of enough salt, the Coulomb interaction of SL becomes negligible, but the adsorption amount increases, indicating that the electrostatic interaction is not the main driving force of SL/PDAC self-assembly. For adsorption of SL in saline solution onto the PDAC surface, the cation-π interaction is the main driving force, and the hydrophobic interaction plays an important role in the adsorbed amount.
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Bio Calculators
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Concentration (start) x Volume (start) = Concentration (final) x Volume (final)
It is commonly abbreviated as: C1V1 = C2V2
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