3,3'-Thiodipropionic acid Chemical Properties

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

pka

pK1:4.085;pK2:5.075 (18°C)

form 

Fine Crystalline Powder

color 

White

Water Solubility 

40 g/L (25 ºC)

Merck 

14,9332

BRN 

1210299

InChIKey

ODJQKYXPKWQWNK-UHFFFAOYSA-N

LogP

0.19 at 25.1℃

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

Hazard Codes 

Xi

Risk Statements 

36/37/38-36

Safety Statements 

26-36-37/39-24/25

WGK Germany 

2

RTECS 

UF7990000

TSCA 

Yes

HS Code 

29309070

Hazardous Substances Data

111-17-1(Hazardous Substances Data)

Toxicity

LD50 orally in Rabbit: 3000 mg/kg

MSDS

• Language:English Provider:3,3'-Thiodipropionic acid
• Language:English Provider:SigmaAldrich
• Language:English Provider:ACROS
• Language:English Provider:ALFA

3,3'-Thiodipropionic acid Usage And Synthesis

Chemical Properties

3,3'-Thiodipropionic acid is WHITE FINE CRYSTALLINE POWDER

Uses

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.

Uses

Antioxidant in food packaging, soaps, plasticizers, lubricants, fats, and oils.

Uses

3,3'-Thiodipropionic acid is used as an antioxidant for fats and other foodstuffs.

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.]

3,3'-Thiodipropionic acid(111-17-1)Related Product Information

• BETAMETHASONE DIPROPIONATE MM(CRM STANDARD)
• THIOPROPIONIC ACID
• CARBONYL SULFIDE
• Hydrogen Sulfide
• Sodium sulfide
• Dimethyl sulfide
• Folic acid
• Citric acid
• Ethyl 2-(Chlorosulfonyl)acetate
• Ascoric Acid
• Dilauryl thiodipropionate
• LANTHIONINE
• 3,3'-THIODIPROPIONIC ACID DI-N-TETRADECYL ESTER,3,3'-THIODIPROPIONIC ACID DIMYRISTYL ESTER,3,3-THIODIPROPIONIC ACID DIMYRISTYL ESTER 95+%
• Leucoson
• 3,3'-THIODIPROPIONIC ACID DITRIDECYL ESTER
• THIODISUCCINIC ACID
• Dimethyl 3,3'-thiodipropanoate
• 3,3'-DITHIODIPROPIONIC ACID