Molekula
3,3-Dithiodipropionic acid
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
3,3-Dithiodipropionic acid is an organic compound featuring a disulfide bond, primarily used in polymer chemistry as a crosslinking agent, in the synthesis of biodegradable materials, and as a precursor for sulfur-containing pharmaceutical intermediates. It appears as a white to off-white crystalline solid with a faint odor. Catalogue details: CAS 1119-62-6, molecular formula C6H10O4S2, molecular weight 210.27 g/mol, stable under ambient conditions. Molekula supplies 3,3-Dithiodipropionic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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25 g — £29.50 per pack ex VAT · £35.40 inc. VAT
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100 g — £57.50 per pack ex VAT · £69.00 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White crystal |
| Melting Point | 155 - 158 Deg C |
| Assay GC | >98% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 70998749 |
| CAS Number | 1119-62-6 |
| IUPAC Name | 3-(2-carboxyethyldisulfanyl)propanoic acid |
| EC Number | 214-284-0 |
| Molecular Formula | C6H10O4S2 |
| Molecular Weight | 210.27 |
| Exact Mass | 210.0021 |
| SMILES | C(CSSCCC(=O)O)C(=O)O |
| InChIKey | YCLSOMLVSHPPFV-UHFFFAOYSA-N |
| InChI | InChI=1S/C6H10O4S2/c7-5(8)1-3-11-12-4-2-6(9)10/h1-4H2,(H,7,8)(H,9,10) |
| PubChem CID | 95116 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29309049 |
| Tariff Code | 2930909599 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P271 Use only outdoors or in a well-ventilated area
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, English (US), French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- .beta.,.beta.'-Dithiodipropionic acid
- 2-Carboxyethyl disulfide
- 3,3'-Dithiobis(dipropionic acid)
- 3,3'-Dithiobispropionic acid
- 3,3'-Dithiodipropanoic acid
- Bis(2-carboxyethyl)disulfide
- Dithiodipropionic acid
- DTDPA
- Propanoic acid, 3,3'-dithiobis-
- Propionic acid, 3,3'-dithiodi-
Frequently asked questions
What is 3,3-Dithiodipropionic acid commonly used for?
It is primarily used as a **crosslinking agent** in polymer chemistry, particularly in the synthesis of rubber and elastomers, and as a **precursor for dithiols** in organic synthesis.
What is the chemical formula and molecular weight of 3,3-Dithiodipropionic acid?
The formula is **C₆H₁₀O₄S₂**, and the molecular weight is **210.27 g/mol**.
How should 3,3-Dithiodipropionic acid be stored?
Store in a **cool, dry place at ambient temperature**, away from direct sunlight and incompatible materials (e.g., strong oxidizers).
What purity grades are available for this product?
Molekula supplies **technical grade (95%+ purity)** and **analytical/ACS grade**—confirm your specific needs when ordering.
Can Molekula supply 3,3-Dithiodipropionic acid in bulk quantities?
Yes, we offer **bulk packaging options** (e.g., 5 kg, 25 kg, or custom quantities) for industrial and research-scale applications.
What documentation is provided with an order of 3,3-Dithiodipropionic acid?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS/SDS)**, and **batch-specific documentation** for traceability.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.