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Current Position: Home > Dictionary EN > S > 657-84-1

Sodium p-toluenesulfonate 657-84-1

 
657-84-1 Properties
Density 1.55 g/cm3 (20℃)
Boiling Point 140 DEG C @ 20 MM HG
Flash Point 500 °C
Melting Point 106-107 DEG C /ANHYDROUS/
Appearance white powder
Vapour <1 hPa (20 °C)
Solubility Soluble in water
Color/Form MONOCLINIC LEAFLETS OR PRISMS
Stability Stable. Incompatible with strong oxidizing agents.
HS Code 29041000
Storage temp Store in a cool, dry place. Keep container closed when not in use.
Spectral properties IR: 4398 (Coblentz Society Spectral Collection)
UV: 6540 (Sadtler Research Laboratories Spectral Collection)
MASS: 133 (Aldermaston, Eight Peak Index of Mass Spectra, UK)
MAX ABSORPTION (WATER): 222 NM (LOG E= 4.0); 261 NM (LOG E= 2.5); 2 NM (LOG E= 2.2)
SADTLER REFERENCE NUMBER: 19785 (IR, PRISM); 6540 (UV) /HYDRATE/
 
657-84-1 Safety Infomation
Safety Statements S26;S36
Risk Statements R36/37/38
Hazard Codes Xi
Safety

Hazard Codes: IrritantXi
Risk Statements: 36/37/38 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36:Wear suitable protective clothing.
WGK Germany: 1
RTECS: XT7350000
HS Code: 29041000
Moderately toxic by intravenous route. When heated to decomposition it emits toxic fumes of SOx and Na2O. See also SULFONATES.

Toxicity
1.    

ivn-mus LD50:1700 mg/kg

    BJPCAL    British Journal of Pharmacology and Chemotherapy. 14 (1959),536.
Skin, Eye, and Respiratory Irritations Irritating to skin and eyes.
Transport 25kgs
Fire Potential Ignites after considerable preheating.
Formulations/Preparations GRADES: ANHYDROUS; MONOHYDRATE; 40% AQUEOUS SOLUTION
Anhydrous grade, monohydrate gradem solution forms, dark brown semicrystaline to crystalline solid.
Reactivities and Incompatibilities Reacts with water.
A strong acid which can react with common metals.
Sulfonates. When heated to decomp, or in contact with acid or acid fumes, they emit highly toxic fumes of sulfur dioxide. Acetic Acid, Acetic Anhydride, Water. Explosions can occur when using an analytical method involving sequential addition if acetic acid, aqueous p-toluenesulfonic acid and acetic anhydride to serum.
Protective Equipment and Clothing Irritating to skin and eyes.
Specification

 Sodium p-toluenesulfonate (CAS NO.657-84-1) is also named as 4-Toluenesulfonic acid sodium salt ; AI3-50010 ; Benzenesulfonic acid, 4-methyl-, sodium salt ; HSDB 5738 ; NSC 203318 ; Naxonate hydrotrope ; Sodium 4-methylbenzenesulfonate ; Sodium p-methylbenzenesulfonate ; Sodium p-tolyl sulfonate ; Sodium p-tolylsulfonate ; Sodium paratoluene sulphonate ; Sodium toluene-p-sulphonate ; Sodium toluenesulfonate ; Sodium tosylate ; Tosylate, sodium ; p-Toluenesulfonic acid sodium salt ; para-Toluenesulfonic acid, sodium salt . Sodium p-toluenesulfonate (CAS NO.657-84-1) is white powder.

Report

Reported in EPA TSCA Inventory.

Disposal Methods SRP: At the time of review, criteria for land treatment or burial (sanitary landfill) disposal practices are subject to significant revision. Prior to implementing land disposal of waste residue (including waste sludge), consult with environmental regulatory agencies for guidance on acceptable disposal practices.
Spillage disposal: /SRP: For laboratory quantities:/ Wear eye protection, laboratory coat and nitrile rubber gloves. Scoop into a pail of cold water. Neutralize with sodium carbonate and wash into the drain with at least 50 times its volume of water.
 
 
 
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