-
Name
P-TOLUENESULFONIC ACID N-BUTYL ESTER
- EINECS
- CAS No. 778-28-9
- Article Data50
- CAS DataBase
- Density 1.12
- Solubility 44.9mg/L at 20℃
- Melting Point
- Formula C11H16 O3 S
- Boiling Point 170-172 °C (10 mmHg)
- Molecular Weight 228.312
- Flash Point 156.6°C
- Transport Information
- Appearance clear light yellow to brownish liquid
- Safety Poison by intravenous route. Mildly toxic by subcutaneous route. See also SULFONATES. When heated to decomposition it emits toxic fumes of SOx.
- Risk Codes R36/37/38; R22
-
Molecular Structure
-
Hazard Symbols
Xn
- Synonyms p-Toluenesulfonicacid, butyl ester (6CI,7CI,8CI); 4-Methylbenzenesulfonic acid butyl ester;Butyl 4-toluenesulfonate; Butyl p-methylbenzenesulfonate; Butylp-toluenesulfonate; NSC 6190; Toluene-4-sulfonic acid butyl ester; n-Butylp-toluenesulfonate; n-Butyl tosylate
- PSA 51.75000
- LogP 3.58120
N-Butyl-P-toluenesulfonate Chemical Properties
IUPAC Name: Butyl 4-methylbenzenesulfonate
Synonyms: Benzenesulfonic acid, 4-methyl-, butyl ester ; Butyl 4-methylbenzenesulfonate ; Butyl p-methylbenzenesulfonate ; Butyl p-toluenesulfonate ; Butyl toluene-4-sulphonate ; Butyl tosylate
CAS NO: 778-28-9
Molecular Formula of N-Butyl-P-toluenesulfonate (CAS NO.778-28-9) : C11H16O3S
Molecular Weight of N-Butyl-P-toluenesulfonate (CAS NO.778-28-9) : 228.31
Molecular Structure of N-Butyl-P-toluenesulfonate (CAS NO.778-28-9) :
EINECS: 212-295-5
Product Categories:
Mol File: 778-28-9.mol
Index of Refraction: 1.506
Surface Tension: 37.1 dyne/cm
Density: 1.122 g/cm3
Flash Point: 156.6 °C
Enthalpy of Vaporization: 55.55 kJ/mol
Boiling Point: 335.4 °C at 760 mmHg
Vapour Pressure: 0.000234 mmHg at 25°C
Appearance:clear light yellow to brownish liquid
N-Butyl-P-toluenesulfonate Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD | intraperitoneal | > 500mg/kg (500mg/kg) | "Summary Tables of Biological Tests," National Research Council Chemical-Biological Coordination Center. Vol. 2, Pg. 303, 1950. | |
| mouse | LD50 | intravenous | 320mg/kg (320mg/kg) | U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#01764, | |
| rat | LD50 | subcutaneous | 5gm/kg (5000mg/kg) | Zeitschrift fuer Krebsforschung. Vol. 74, Pg. 241, 1970. |
N-Butyl-P-toluenesulfonate Consensus Reports
Reported in EPA TSCA Inventory.
N-Butyl-P-toluenesulfonate Safety Profile
Poison by intravenous route. Mildly toxic by subcutaneous route. See also SULFONATES. When heated to decomposition it emits toxic fumes of SOx.
Hazard Codes
Xn
Risk Statements 36/37/38-22
R22:Harmful if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements 37/39-26
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S37/39:Wear suitable gloves and eye/face protection.
RTECS XT6400000
N-Butyl-P-toluenesulfonate Specification
General Information: As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear.
Extinguishing Media: Use water spray, dry chemical, carbon dioxide, or chemical foam.
Handling: Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.
Storage: Store in a cool, dry place. Store in a tightly closed container .
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