Sodium p-toluenesulfonate

Modify Date: 2025-08-21 18:17:49

Sodium p-toluenesulfonate Structure
Sodium p-toluenesulfonate structure
 Common Name Sodium p-toluenesulfonate
CAS Number 657-84-1 Molecular Weight 194.18
Density 1.55 g/cm3 (20℃) Boiling Point 140ºC at 20 MM HG
Molecular Formula C7H7NaO3S Melting Point >300°C
MSDS Chinese USA Flash Point 500ºC
Symbol GHS07
GHS07		 Signal Word Warning

 Names

Name p-Toluenesulfonic Acid, Sodium Salt
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.55 g/cm3 (20℃)
Boiling Point 140ºC at 20 MM HG
Melting Point >300°C
Molecular Formula C7H7NaO3S
Molecular Weight 194.18
Flash Point 500ºC
PSA 62.75000
LogP 2.32250
Vapour Pressure <1 hPa (20 °C)
Stability Stable. Incompatible with strong oxidizing agents.
Water Solubility soluble

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
XT7350000
CHEMICAL NAME :
p-Toluenesulfonic acid, sodium salt
CAS REGISTRY NUMBER :
657-84-1
LAST UPDATED :
199701
DATA ITEMS CITED :
4
MOLECULAR FORMULA :
C7-H7-O3-S.Na
MOLECULAR WEIGHT :
194.19
WISWESSER LINE NOTATION :
WSO&R D1 &-NA-

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1700 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
BJPCAL British Journal of Pharmacology and Chemotherapy. (London, UK) V.1-33, 1946-68. For publisher information, see BJPCBM. Volume(issue)/page/year: 14,536,1959 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 83157 No. of Facilities: 69 (estimated) No. of Industries: 3 No. of Occupations: 10 No. of Employees: 1954 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 83157 No. of Facilities: 25 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 1358 (estimated) No. of Female Employees: 956 (estimated)

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H319
Precautionary Statements P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xi:Irritant;
Risk Phrases R36/37/38
Safety Phrases S26-S36
RIDADR NONH for all modes of transport
WGK Germany 1
RTECS XT7350000
HS Code 29041000

 Synthetic Route

 Customs

HS Code 2904100000
Summary 2904100000 derivatives containing only sulpho groups, their salts and ethyl esters。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

 Articles31

More Articles
Supported p-toluenesulfonic acid as a highly robust and eco-friendly isocyanide scavenger.

ACS Comb. Sci. 13(1) , 89-95, (2011)

We document here the use of polymer-supported p-toluenesulfonic acid as a highly effective, robust, economical and eco-friendly isocyanide scavenger. The herein described strategy circumvent the inten...

The transporter-opsin-G protein-coupled receptor (TOG) superfamily.

FEBS J. 280(22) , 5780-800, (2013)

Visual rhodopsins are recognized members of the large and diverse family of G protein-coupled receptors (GPCRs), but their evolutionary origin and relationships to other proteins are not known. In a p...

Coumarin–trioxane hybrids: Synthesis and evaluation as a new class of antimalarial scaffolds

Bioorg. Med. Chem. Lett. 22(12) , 3926-30, (2012)

A series of novel coumarin–trioxane hybrids were synthesized and evaluated for antimalarial activity.

 Synonyms

EINECS 211-522-5
MFCD00064388
Sodium p-toluenesulfonate
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