Bis-(sodium sulfopropyl)-disulfide
Synonym(s):Anti-T-box 4
- CAS NO.：27206-35-5
- Empirical Formula: C6H15NaO6S4
- Molecular Weight: 334.41
- MDL number: MFCD01104840
- EINECS: 248-324-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-06-03 18:11:14
What is Bis-(sodium sulfopropyl)-disulfide?
Chemical properties
Bis-(sodium sulfopropyl)-disulfide (CAS: 27206-35-5) is a kind of white to light yellow powder, which is used in the production of electrolytic copper foil and can produce high-quality low-profile copper foil. Low-profile electrolytic copper foil is widely used in the manufacture of electronic materials and lithium-ion batteries.
The Uses of Bis-(sodium sulfopropyl)-disulfide
Brightener and grain refiner for copper plating
Flammability and Explosibility
Non flammable
Properties of Bis-(sodium sulfopropyl)-disulfide
| Density | 1.575[at 20℃] |
| storage temp. | -20°C |
| solubility | Soluble in water |
| form | powder to crystal |
| color | White to Almost white |
| Water Solubility | 600g/L at 25℃ |
| InChI | InChI=1S/C6H14O6S4.2Na/c7-15(8,9)5-1-3-13-14-4-2-6-16(10,11)12;;/h1-6H2,(H,7,8,9)(H,10,11,12);;/q;2*+1/p-2 |
| CAS DataBase Reference | 27206-35-5(CAS DataBase Reference) |
| EPA Substance Registry System | 1-Propanesulfonic acid, 3,3'-dithiobis-, disodium salt (27206-35-5) |
Safety information for Bis-(sodium sulfopropyl)-disulfide
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H317:Sensitisation, Skin |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P272:Contaminated work clothing should not be allowed out of the workplace. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P333+P313:IF SKIN irritation or rash occurs: Get medical advice/attention. |
Computed Descriptors for Bis-(sodium sulfopropyl)-disulfide
| InChIKey | WIYCQLLGDNXIBA-UHFFFAOYSA-L |
| SMILES | C(CCSSCCCS([O-])(=O)=O)S([O-])(=O)=O.[Na+].[Na+] |
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