Sodium 3-[[(dimethylamino)thioxomethyl]thio]propanesulphonate

CAS NO.：18880-36-9
Empirical Formula: C6H14NNaO3S3
Molecular Weight: 267.35
MDL number: MFCD00801050
EINECS: 242-644-7
SAFETY DATA SHEET (SDS)
Update Date: 2025-07-16 09:56:22

What is Sodium 3-[[(dimethylamino)thioxomethyl]thio]propanesulphonate?

The Uses of Sodium 3-[[(dimethylamino)thioxomethyl]thio]propanesulphonate

Sodium 3-[[(dimethylamino)thioxomethyl]thio]propanesulphonate（DPS）is used as a basic brightener in cupper electroplating baths. It is also used as pharmaceutical intermediates.

What are the applications of Application

Sodium 3-[[(dimethylamino)thioxomethyl]thio]propanesulphonate (DPS) is a brightener for copper electroplating. Copper layers deposited with DPS are very bright, flat and ductile. DPS can be used for copper plating in industries as diverse as automotive parts and semiconductors. The goals of copper baths vary and include changing the appearance, enhancing conductivity or preventing corrosion. It is possible to combine DPS with non ionic surfactants, aminic polymers, polyethylene glycols, and other sulphur compounds. DPS can be also used as a stabilizer for plating precious metals.

Properties of Sodium 3-[[(dimethylamino)thioxomethyl]thio]propanesulphonate

Boiling point:	245.5oC at 760 mmHg
Density	1.478-1.49g/cm3 at 22℃
Flash point:	102.3oC
form	Powder
color	White to yellowish
InChI	InChI=1S/C6H13NO3S3.Na.H/c1-7(2)6(11)12-4-3-5-13(8,9)10;;/h3-5H2,1-2H3,(H,8,9,10);;
CAS DataBase Reference	18880-36-9(CAS DataBase Reference)
EPA Substance Registry System	N,N-Dimethyldithiocarbamylpropylsulfonic acid, sodium salt (18880-36-9)

Safety information for Sodium 3-[[(dimethylamino)thioxomethyl]thio]propanesulphonate

Computed Descriptors for Sodium 3-[[(dimethylamino)thioxomethyl]thio]propanesulphonate

InChIKey	MMDYGOVNXCXCTL-UHFFFAOYSA-N
SMILES	S(C(=S)N(C)C)CCCS(O)(=O)=O.[NaH]

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