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: 2024-10-31 18:15:48

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.