Sodium p-toluenesulfonate

Synonym(s):p-Toluenesulfonic acid sodium salt;4-Toluenesulfonic acid sodium salt;Toluene-4-sulfonic acid sodium salt

CAS NO.：657-84-1
Empirical Formula: C7H9NaO3S
Molecular Weight: 196.2
MDL number: MFCD00064388
EINECS: 211-522-5
SAFETY DATA SHEET (SDS)
Update Date: 2024-11-18 17:43:10

What is Sodium p-toluenesulfonate?

Chemical properties

white powder

The Uses of Sodium p-toluenesulfonate

Sodium p-toluenesulfonate was used as a supporting electrolyte for depositing polypyrrole membranes. It was also used as a solute to study the performance of resin particles.

The Uses of Sodium p-toluenesulfonate

Usually used as a supporting electrolyte for depositing polypyrrole membranes, ang also used as a solute to study the performance of resin particles.

The Uses of Sodium p-toluenesulfonate

Sodium?p-Toluenesulfonate can be used for high-efficiency for cleaning explosives.

Flammability and Explosibility

Non flammable

Purification Methods

Dissolve it in distilled water, filter it to remove insoluble impurities and evaporate it to dryness. Then recrystallise it from MeOH or EtOH, and dry it at 110o. Its solubility in EtOH is not high (maximum 2.5%), so that Soxhlet extraction with EtOH may be preferable. Sodium p-toluenesulfonate has also been crystallised from Et2O and dried under a vacuum at 50o. [Beilstein 11 I 4, 11 II 6, cf Gibson & Reid J Chem Soc 879 1923.]

Properties of Sodium p-toluenesulfonate

Melting point:	>300°C
Boiling point:	400℃[at 101 325 Pa]
Density	1.55 g/cm3 (20℃)
vapor pressure	<1 hPa (20 °C)
Flash point:	500 °C
storage temp.	Store below +30°C.
solubility	818g/l soluble
pka	6.59[at 20 ℃]
form	Powder
color	White to off-white
Water Solubility	soluble
Merck	14,9533
BRN	3637479
Stability:	Stable. Incompatible with strong oxidizing agents.
CAS DataBase Reference	657-84-1(CAS DataBase Reference)
EPA Substance Registry System	Sodium p-tolylsulfonate (657-84-1)

Safety information for Sodium p-toluenesulfonate

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	H315:Skin corrosion/irritation 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. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P332+P313:IF SKIN irritation occurs: Get medical advice/attention. P337+P313:IF eye irritation persists: Get medical advice/attention.