2-甲苯磺酰胺

Description

2-Toluene Sulfonamide · CAS 8013-74-9 · C7H9NO2S. UNII R81Z6V889P. Boiling Point: 214 °C at 10 mm Hg; Boiling Point: >270 °C; Melting Point: 156.3 °C.

Identification

CAS Registry Number	8013-74-9
PubChem CID	6924
Molecular formula	C7H9NO2S
IUPAC name	2-methylbenzenesulfonamide
UNII (FDA)	R81Z6V889P

Computed Descriptors

Molecular Weight	171.22
XLogP3	0.8
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	1
Exact Mass	171.03539970
Monoisotopic Mass	171.03539970
Topological Polar Surface Area	68.5
Heavy Atom Count	11
Formal Charge	0

Physical & Chemical Properties

Boiling Point	214 °C at 10 mm Hg
Boiling Point	>270 °C
Melting Point	156.3 °C
Melting Point	156 °C
Solubility	In water, 1.62X10+3 mg/L at 25 °C
Density	1.46 g/cm³
Vapor Pressure	0.00006 [mmHg]
Vapor Pressure	0.000306 [mmHg]
LogP	log Kow = 0.84
LogP	0.84

Physical description & handling notes

• Dry Powder
• Colorless solid; [Hawley] White powder; [MSDSonline]
• White to light cream-colored crystalline flakes; [MSDSonline]
• COLOURLESS CRYSTALS.
• Octahedral crystals from alcohol; prisms from water
• Colorless crystals

Regulatory Status

Regulatory & Food Contact	FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS
GHS notification summary	65.9% (112 / 170)

GHS Hazard Classification

GHS notification summary	65.9% (112 / 170)
Reported hazard statements	H319 (28.2%), H351 (28.2%)

Documented Uses

• Used in mixtures with p-toluenesulfonamide as reactive plasticizer; Also used as a plasticizer for hot-melt adhesives and a chemical intermediate for fluorescent pigments and plasticizer resins; [HSDB] Used to make saccharin; [eChemPortal: SIDSUNEP] A contaminant of saccharin; [IARC]
• Used as a surfactant and intermediate for fluorescent pigments and plasticizer resins; Mixtures of o- and p-isomers used as plasticizers and in adhesives for food contact; [HSDB] Commercial product is a mixture of 40% o-, 60% p- isomers; [MSDSonline]
• Working with Glues and Adhesives [Category: Other]
• Used in manufacture of saccharin.
• The ortho- and para-toluenesulfonamide mixture is used as a reactive plasticizer in hot-melt adhesives to improve the flow properties of thermosetting resins (e.g., melamine, urea and phenolic resins) and to impart flexibility to coatings based on resins made from casein, shellac, zein and soya protein. /Ortho- and para-toluenesulfonamide mixture/
• ... carrier in fluorescent pigments. /Ortho- and para-toluenesulfonamide mixture/

Synonyms

O-TOLUENESULFONAMIDE; 88-19-7; 2-Methylbenzenesulfonamide; 2-Toluenesulfonamide; Benzenesulfonamide, 2-methyl-; o-Methylbenzenesulfonamide; ortho-Toluenesulfonamide; 2-Tolylsulfonamide; Ortho-toluol-sulfonamid; ortho-Toluenesulphonamide; DTXSID7021362; R81Z6V889P; NSC-2185; DTXCID301362; o-toluolsulfonamide; RefChem:910086

Frequently Asked Questions

What are the CAS number and molecular formula of 2-Toluene Sulfonamide?

CAS 8013-74-9; molecular formula C7H9NO2S; molecular weight — g/mol.

What other names is 2-Toluene Sulfonamide known by?

O-TOLUENESULFONAMIDE, 88-19-7, 2-Methylbenzenesulfonamide, 2-Toluenesulfonamide, Benzenesulfonamide, 2-methyl-, o-Methylbenzenesulfonamide.

What is the regulatory status of 2-Toluene Sulfonamide?

Documented regulatory listings: FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS.

Is 2-Toluene Sulfonamide classified as hazardous?

65.9% of GHS notifications report no hazard classification (112 of 170).

What are the key physical properties of 2-Toluene Sulfonamide?

Boiling Point: 214 °C at 10 mm Hg; Boiling Point: >270 °C; Melting Point: 156.3 °C; Melting Point: 156 °C.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.