3918-73-8 Usage
Description
1-(2-Hydroxy-3-sulfopropyl)-pyridinium betane, also known as PPS-OH, is a colorless to light yellow liquid with unique chemical properties. It is a versatile compound that finds applications in various industries due to its ability to enhance the performance of certain processes.
Uses
Used in Electroplating Industry:
1-(2-Hydroxy-3-sulfopropyl)-pyridinium betane is used as an electroplating brightener for improving the appearance and quality of electroplated surfaces. It contributes to the brightness and leveling of the plated layer, making it an essential component in the electroplating process.
Used in Nickel Plating:
1-(2-Hydroxy-3-sulfopropyl)-pyridinium betane is used as a strong leveling agent for nickel plating. It exhibits excellent leveling power in middle and low current density areas, ensuring a uniform and smooth finish on the plated surfaces.
Used in Nickel Plating Intermediates:
In the production of nickel plating intermediates, 1-(2-Hydroxy-3-sulfopropyl)-pyridinium betane plays a crucial role in enhancing the performance and quality of the final product. Its incorporation leads to improved properties such as leveling and brightness.
Used in Liquid Crystal Display (LCD) Industry:
1-(2-Hydroxy-3-sulfopropyl)-pyridinium betane is used to enhance the throwing power of LCDs. It is often combined with other auxiliary brighteners such as BEO, PME, PESS, MOSS, saccharin, or other additives to achieve optimal results in the LCD manufacturing process.
Check Digit Verification of cas no
The CAS Registry Mumber 3918-73-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,9,1 and 8 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 3918-73:
(6*3)+(5*9)+(4*1)+(3*8)+(2*7)+(1*3)=108
108 % 10 = 8
So 3918-73-8 is a valid CAS Registry Number.
InChI:InChI=1/C8H11NO4S/c10-8(7-14(11,12)13)6-9-4-2-1-3-5-9/h1-5,8,10H,6-7H2
3918-73-8Relevant articles and documents
Method for continuously synthesizing PPS-OH
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Paragraph 0029-0039, (2019/02/10)
The invention discloses a method for continuously synthesizing PPS-OH. The method comprises the following steps of adding a phase transfer catalyst and sodium sulfite into a hydrosulfite solution or pyrosulfite solution of alkali metal, so as to obtain a mixed solution containing HSO3; simultaneously adding the mixed solution and epichlorohydrin into a first reactor, and generating ring-openingreaction; simultaneously adding a mixed solution of pyridine and a catalyst and a ring-opening reaction product into a second reactor, and reacting to obtain a target product. The method has the advantages that the mixing order and adding order of the raw materials are changed, and the raw materials participating in reaction are simultaneously sent into the corresponding reactor to participate inthe corresponding reaction, so that the generation of side effect is effectively reduced, the selectivity and the conversion rate of reaction are improved, the yield rate and purity of the product are improved, and the requirement of high-end customers in the electroplating industry are met; compared with the intermittent operation of the traditional technology, the reaction time is shortened, the production efficiency is improved, and the method is suitable for industrialized production.
