3,3'-Thiodipropionic acid
Synonym(s):3,3′-Thiodipropionic acid;Bis(2-carboxyethyl) sulfide;Thiodihydracrylic acid, Bis(2-carboxyethyl)sulfide
- CAS NO.：111-17-1
- Empirical Formula: C6H10O4S
- Molecular Weight: 178.21
- MDL number: MFCD00002781
- EINECS: 203-841-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-04-25 13:42:50
What is 3,3'-Thiodipropionic acid?
Chemical properties
3,3'-Thiodipropionic acid is WHITE FINE CRYSTALLINE POWDER
The Uses of 3,3'-Thiodipropionic acid
3,3'-Thiodipropionic acid is used as an antioxidant for fats and other foodstuffs.
The Uses of 3,3'-Thiodipropionic acid
Antioxidant in food packaging, soaps, plasticizers, lubricants, fats, and oils.
The Uses of 3,3'-Thiodipropionic acid
3,3'-Thiodipropionic acid is an antioxidant used to prevent fats and oils from going rancid. It has the same functionality as bha, bht, and propyl gallate.
What are the applications of Application
3,3′-Thiodipropionic acid is a carboxylic acid also known as Bis(2-carboxyethyl) sulfide
Definition
3,3'-Thiodipropionic acid is a dicarboxylic acid.
Hazard
Use in foods restricted to 0.02% of fat and oil content, including essential oils.
Flammability and Explosibility
Not classified
Safety Profile
A poison by intraperitoneal andintravenous routes. Moderately toxic by ingestion. A skinand eye irritant. When heated to decomposition it emitstoxic fumes of SOx.
Purification Methods
Crystallise the sulfide from water. [Beilstein 3 IV 735.]
Properties of 3,3'-Thiodipropionic acid
| Melting point: | 131-134 °C(lit.) |
| Boiling point: | 280.43°C (rough estimate) |
| Density | 1.238 (estimate) |
| vapor pressure | 0.004Pa at 25℃ |
| refractive index | 1.5500 (estimate) |
| Flash point: | 128 °C |
| storage temp. | Store below +30°C. |
| solubility | 40g/l |
| form | Fine Crystalline Powder |
| pka | pK1:4.085;pK2:5.075 (18°C) |
| color | White |
| Water Solubility | 40 g/L (25 ºC) |
| Merck | 14,9332 |
| BRN | 1210299 |
| CAS DataBase Reference | 111-17-1(CAS DataBase Reference) |
| NIST Chemistry Reference | 3,3'-Thiodipropionic acid(111-17-1) |
| EPA Substance Registry System | Propanoic acid, 3,3'-thiobis- (111-17-1) |
Safety information for 3,3'-Thiodipropionic acid
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P337+P313:IF eye irritation persists: Get medical advice/attention. |
Computed Descriptors for 3,3'-Thiodipropionic acid
| InChIKey | ODJQKYXPKWQWNK-UHFFFAOYSA-N |
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