Bis-(sodium sulfopropyl)-disulfide(SP/SPS)
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- Category :
Inorganic chemicals
- CAS NO : 27206-35-5
- EC NO : 248-324-3
- Molecular Formula : C6H14O6S4¡¤2Na
- Main Specifications : 80%/97% min
- Synonyms : 3,3'-Dithiobis-1-Propanesulfonic Acid Disodium Salt Liquemin Liquoid;Sps;Bis-(Sodium Sulfopropyl)-Disulfode;Disodium 3,3'-Disulfanediyldipropane-1-Sulfonate;Benzene, 1-Methoxy-4-[(1e)-1-Propenyl]-, Sodium Salt;1-Propanesulfonic Acid, 3,3'-Dithiobis-, Sodium Salt (1:2);3,3'-Dithiobis(1-Propanesulfonic Acid), Disodium Salt;Di(Thiopropane Sodium Sulfonate);Gamma,Gamma'-Sulfopropyldisulfide, Disodium Salt;1-Propanesulfonic Acid, 3,3'-Dithiobis-, Disodium Salt;Disodium 3,3'-Dithiobis(1-Propanesulfonate);Bis-(3-Sulfopropyl)-Disulfide, Disodium Salt;Bis-(Sodium Sulfopropyl)-Disulfide;Disodium 3,3'-Dithiobis(Propanesulphonate);
Package: 20lg/iron drum
Uses : used as a brightening agent in acid copper baths for decorative and functional deposits(i.e.printed circuit boards).
Molecular Structure:
Product description:
Characteristic:
Item Description
Appearance White to yellowish powder
Assay ≥97%
Solubility (at 20℃) In water approx.38%(very low in alcohols)
Concentration in the bath 20-100mg/L
Valid period(year) 2
Storage condition Stored in cool and dry place
* Quality is strictly controlled under ISO system, with excellent chemical stability.
Main application:
SPS is used as a brightening agent in acid copper baths for decorative and functional deposits(i.e.printed circuit boards). SPS is functionally compatible with most components of typical copper bath formulations, such as non-ionic surfactants, polymeric amines and other mercapto compounds. An additional combination with dyestuffs is also possible. Very good results are obtained if used together with DPS and EXP2887.
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