DI-N-BUTYL SULFOXIDE

DI-N-BUTYL SULFOXIDE Property

Melting point:

31-34 °C(lit.)

Boiling point:

250 °C(lit.)

Density 

0.832 g/mL at 25 °C(lit.)

refractive index 

n20/D 1.467(lit.)

Flash point:

250 °F

storage temp. 

2-8°C, stored under nitrogen

form 

powder to lump to clear liquid

color 

White or Colorless to Yellow

Water Solubility 

Slightly soluble in water.

Sensitive 

Hygroscopic

BRN 

1747425

Dielectric constant

24.73

CAS DataBase Reference

2168-93-6(CAS DataBase Reference)

Safety

Safety Statements 

24/25

WGK Germany 

3

RTECS 

EK5700000

HS Code 

29041000

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

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

DI-N-BUTYL SULFOXIDE Chemical Properties,Usage,Production

Chemical Properties

COLOURLESS LOW MELTING CRYSTALLINE SOLID

Uses

It is used as an active pharmaceutical intermediate and in the extraction of thorium(IV) from nitric acid solutions in xylene.

Synthesis Reference(s)

Synthetic Communications, 17, p. 515, 1987 DOI: 10.1080/00397918708056437
Tetrahedron, 43, p. 1753, 1987 DOI: 10.1016/S0040-4020(01)81484-8