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Name	4-Toluenesulfonyl fluoride	EINECS	N/A
CAS No.	455-16-3	Density	1.276g/cm³
PSA	42.52000	LogP	2.73400
Solubility	Hydrolyzes in water.	Melting Point	41-42 °C(lit.)
Formula	C7H7 F O2 S	Boiling Point	112 °C16 mm Hg(lit.)
Molecular Weight	174.196	Flash Point	87.2°C
Transport Information	N/A	Appearance	White to beige fused mass
Safety	Poison by intraperitoneal route. Moderately toxic by ingestion. A corrosive. Combustible. When heated to decomposition it emits very toxic fumes of F⁻ and SO_x. See also FLUORIDES.	Risk Codes	20/21/22-34
Molecular Structure		Hazard Symbols
Synonyms	p-Toluenesulfonylfluoride (6CI,7CI,8CI); 4-Methylbenzenesulfonyl fluoride;4-Methylphenylsulfonyl fluoride; 4-Tolylsulfonyl fluoride; NSC 2749;Toluene-4-sulfonyl fluoride; Tosyl fluoride; p-Methylbenzenesulfonyl fluoride;p-Methylphenylsulfonyl fluoride	Article Data	75

4-Toluenesulfonyl fluoride Chemical Properties

Product Name: 4-Toluenesulfonyl fluoride (CAS NO.455-16-3)

Molecular Formula: C₇H₇FO₂S
Molecular Weight: 174.19g/mol
Mol File: 455-16-3.mol
Einecs: 207-238-6
Appearance: White to beige fused mass
Melting Point: 41-42 °C(lit.)
Boiling point: 233 °C at 760 mmHg
Flash Point: 87.2 °C
Density: 1.276 g/cm³
Sensitive: Moisture Sensitive
Surface Tension: 34.5 dyne/cm
Enthalpy of Vaporization: 45.06 kJ/mol
Vapour Pressure: 0.0873 mmHg at 25°C
XLogP3-AA: 2.7
H-Bond Donor: 0
H-Bond Acceptor: 3
Structure Descriptors of 4-Toluenesulfonyl fluoride (CAS NO.455-16-3):
IUPAC Name: 4-methylbenzenesulfonyl fluoride
Canonical SMILES: CC1=CC=C(C=C1)S(=O)(=O)F
InChI: InChI=1S/C7H7FO2S/c1-6-2-4-7(5-3-6)11(8,9)10/h2-5H,1H3
InChIKey: IZZYABADQVQHLC-UHFFFAOYSA-N
Product Categories: Organic Building Blocks; Sulfonyl Halides; Sulfur Compounds

4-Toluenesulfonyl fluoride Toxicity Data With Reference

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
rat	LD50	intraperitoneal	200mg/kg (200mg/kg)		Nature. Vol. 173, Pg. 33, 1954.
rat	LDLo	oral	500mg/kg (500mg/kg)		National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. Vol. 5, Pg. 1, 1953.

4-Toluenesulfonyl fluoride Consensus Reports

Reported in EPA TSCA Inventory.

4-Toluenesulfonyl fluoride Safety Profile

Poison by intraperitoneal route. Moderately toxic by ingestion. A corrosive. Combustible. When heated to decomposition it emits very toxic fumes of F⁻ and SO_x. See also FLUORIDES.
Safety Information of 4-Toluenesulfonyl fluoride (CAS NO.455-16-3):
Hazard Codes: C
Risk Statements: 20/21/22-34
20: Harmful by inhalation
21: Harmful in contact with skin
22: Harmful if swallowed
34: Causes burns
Safety Statements: 22-26-27-36/37/39-45
22: Do not breathe dust
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
27: Take off immediately all contaminated clothing
36: Wear suitable protective clothing
37: Wear suitable gloves
39: Wear eye/face protection
45: In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)

4-Toluenesulfonyl fluoride Specification

4-Toluenesulfonyl fluoride ,its CAS NO. is 455-16-3,the synonyms is Benzenesulfonyl fluoride, 4-methyl- ; 4-11-00-00375 (Beilstein Handbook Reference) ; 4-Methylbenzenesulfonyl fluoride ; BRN 2208423 ; EINECS 207-238-6 ; NSC 2749 ; Phenylmethylsulfonyl fluoride ; Toluene-4-sulfonyl fluoride ; Toluene-p-sulphonyl fluoride ; Tosyl fluoride ; p-Methylbenzenesulfonyl fluoride ; p-Toluenesulfonyl fluoride .

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