3,3'-Dithiodipropionic acid
Synonym(s):2-Carboxyethyl disulfide;Bis(2-carboxyethyl) disulfide
- CAS NO.：1119-62-6
- Empirical Formula: C6H10O4S2
- Molecular Weight: 210.27
- MDL number: MFCD00002780
- EINECS: 214-284-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-24 14:58:57
What is 3,3'-Dithiodipropionic acid?
Chemical properties
white powder
The Uses of 3,3'-Dithiodipropionic acid
Highly reactive species.
The Uses of 3,3'-Dithiodipropionic acid
3,3′-Dithiodipropionic acid was used as capping agent for introducing charge on gold nanoparticles surfaces.
Synthesis Reference(s)
Tetrahedron, 41, p. 2903, 1985 DOI: 10.1016/S0040-4020(01)96614-1
Chemical and Pharmaceutical Bulletin, 34, p. 486, 1986 DOI: 10.1248/cpb.34.486
General Description
3,3′-Dithiodipropionic acid forms monolayers on a polycrystalline gold electrode through a self-assembly procedure to form gold 3,3′-dithiodipropionic acid self-assembled monolayer modified electrode. It is the precursor substrate in the synthesis of 3-mercaptopropionic acid-containing polythioesters. It is added as primary carbon supplement in the culture medium of novel betaproteobacterium, strain DPN7.
Properties of 3,3'-Dithiodipropionic acid
| Melting point: | 155-158 °C(lit.) |
| Boiling point: | 319.8°C (rough estimate) |
| Density | 1.319 (estimate) |
| refractive index | 1.5220 (estimate) |
| storage temp. | Sealed in dry,Room Temperature |
| Water Solubility | Practically insoluble in water |
| solubility | DMSO (Sparingly), Methanol (Slightly) |
| form | Powder |
| pka | 3.94±0.10(Predicted) |
| color | White |
| BRN | 1778543 |
| CAS DataBase Reference | 1119-62-6(CAS DataBase Reference) |
| EPA Substance Registry System | Propanoic acid, 3,3'-dithiobis- (1119-62-6) |
Safety information for 3,3'-Dithiodipropionic acid
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 3,3'-Dithiodipropionic acid
| InChIKey | YCLSOMLVSHPPFV-UHFFFAOYSA-N |
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