2,2'-DITHIODIETHANOL Property

Melting point:

25-27 °C (lit.)

Boiling point:

158-163 °C/3.5 mmHg (lit.)

Density 

1.261 g/mL at 25 °C (lit.)

vapor pressure 

0.001Pa at 20℃

refractive index 

n20/D 1.57(lit.)

Flash point:

>230 °F

storage temp. 

Sealed in dry,Room Temperature

form 

liquid

pka

14.02±0.10(Predicted)

color 

Colorless to Almost colorless

Water Solubility 

Soluble in water, ethanol, acetone, and ether.

λmax

247nm(H2O)(lit.)

BRN 

1735851

LogP

-0.3 at 19.9℃

CAS DataBase Reference

1892-29-1(CAS DataBase Reference)

EPA Substance Registry System

Ethanol, 2,2'-dithiobis- (1892-29-1)

Safety

Hazard Codes 

T

Risk Statements 

25-41

Safety Statements 

26-39-45

RIDADR 

UN 2811 6.1/PG 3

WGK Germany 

3

RTECS 

KK7525000

F 

13

TSCA 

Yes

HazardClass 

6.1

PackingGroup 

III

HS Code 

29309099

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H301Toxic if swalloed

H318Causes serious eye damage

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P310IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P405Store locked up.

2,2'-DITHIODIETHANOL Chemical Properties,Usage,Production

Chemical Properties

clear yellow viscous liquid after melting

Uses

Bis(2-hydroxyethyl) disulfide is used as an intermediate in chemical research.

Definition

ChEBI: 2,2'-dithiodiethanol is an organic disulfide.

Synthesis Reference(s)

Journal of the American Chemical Society, 80, p. 838, 1958 DOI: 10.1021/ja01537a022
Synthesis, p. 50, 1978

Safety Profile

Poison by intraperitoneal route. When heated to decomposition it emits toxic fumes of SOx,.