2-Aminobenzenesulfonamide

Modify Date: 2026-07-01 20:56:11

2-Aminobenzenesulfonamide Structure
2-Aminobenzenesulfonamide structure
Common Name 2-Aminobenzenesulfonamide
CAS Number 3306-62-5 Molecular Weight 172.205
Density 1.4±0.1 g/cm3 Boiling Point 392.7±44.0 °C at 760 mmHg
Molecular Formula C6H8N2O2S Melting Point 155-157 °C(lit.)
MSDS Chinese USA Flash Point 191.3±28.4 °C
Symbol GHS07
GHS07
Signal Word Warning

 Use of 2-Aminobenzenesulfonamide


2-Aminobenzenesulfonamide is a carbonic anhydrase IX inhibitor.

Summary: 2-Aminobenzenesulfonamide, also known as 2-aminobenzenesulfonamide, CAS number 3306-62-5, with molecular formula C6H8N2O2S and molecular weight 172.205. It appears as white to off-white crystalline powder or crystals, with a melting point of 155-157°C. For research-use only, not for medical or clinical usage.


 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 2-Aminobenzenesulfonamide
Synonym More Synonyms

 2-Aminobenzenesulfonamide Biological Activity

This table contains bioactivity, target information and biological‑assay experimental data of this compound.

Description 2-Aminobenzenesulfonamide is a carbonic anhydrase IX inhibitor.
Related Catalog
Target

carbonic anhydrase IX[1]

References

[1]. Vullo D, et al. Carbonic anhydrase inhibitors: inhibition of the tumor-associated isozyme IX with aromatic and heterocyclic sulfonamides. Bioorg Med Chem Lett. 2003 Mar 24;13(6):1005-9.

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.4±0.1 g/cm3
Boiling Point 392.7±44.0 °C at 760 mmHg
Melting Point 155-157 °C(lit.)
Molecular Formula C6H8N2O2S
Molecular Weight 172.205
Flash Point 191.3±28.4 °C
Exact Mass 172.030655
PSA 94.56000
LogP 0.22
Vapour Pressure 0.0±0.9 mmHg at 25°C
Index of Refraction 1.628
InChIKey YAZSBRQTAHVVGE-UHFFFAOYSA-N
SMILES Nc1ccccc1S(N)(=O)=O

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DA9449000
CHEMICAL NAME :
Benzenesulfonamide, o-amino-
CAS REGISTRY NUMBER :
3306-62-5
BEILSTEIN REFERENCE NO. :
0512329
LAST UPDATED :
199612
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C6-H8-N2-O2-S
MOLECULAR WEIGHT :
172.22
WISWESSER LINE NOTATION :
ZSWR BZ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
2500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
QJPPAL Quarterly Journal of Pharmacy & Pharmacology. (London, UK) V.2-21, 1929-48. For publisher information, see JPPMAB. Volume(issue)/page/year: 10,319,1937 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 84518 No. of Facilities: 28 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 168 (estimated)

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H319
Precautionary Statements P305 + P351 + P338
Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes Xi:Irritant;
Risk Phrases R36/37/38
Safety Phrases S36/37/39-S26-S22
RIDADR NONH for all modes of transport
WGK Germany 3
RTECS DA9449000
HS Code 2935009090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

~90%

2-Aminobenzenesulfonamide Structure

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CAS#:3306-62-5

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Literature: Ismail, Mohamed A.H.; Abou El Ella, Dalal A.; Abouzid, Khaled A.M.; Mahmoud, Amr H. Bioorganic and Medicinal Chemistry, 2013 , vol. 21, # 17 p. 5647 - 5647

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Literature: US4806640 A1, ;

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Literature: Bioorganic and Medicinal Chemistry Letters, , vol. 16, # 14 p. 3833 - 3838

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Literature: US4976773 A1, ;

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Literature: Bioorganic and Medicinal Chemistry Letters, , vol. 16, # 14 p. 3833 - 3838

~%

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Literature: Bioorganic and Medicinal Chemistry Letters, , vol. 16, # 14 p. 3833 - 3838

~%

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Literature: Bioorganic and Medicinal Chemistry Letters, , vol. 18, # 14 p. 3887 - 3890

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Literature: Bioorganic and Medicinal Chemistry, , vol. 20, # 7 p. 2455 - 2478

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Literature: Journal fuer Praktische Chemie (Leipzig), , vol. <2> 95, p. 393

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2935009090
Summary 2935009090 other sulphonamides VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:35.0%

 Articles3

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

Hepatitis C virus NS3 protease inhibitors comprising a novel aromatic P1 moiety.

Bioorg. Med. Chem. 16(6) , 2955-67, (2008)

Inhibition of the hepatitis C virus (HCV) NS3 protease has emerged as an attractive approach to defeat the global hepatitis C epidemic. In this work, we present the synthesis and biochemical evaluatio...

Nitrogen-15 nuclear magnetic resonance study of benzenesulfonamide and cyanate binding to carbonic anhydrase.

Biochemistry 22 , 2658, (1983)

Heterocycles with a benzothiadiazepine moiety. 5. Derivatives of pyrrolo[2,1-d][1,2,5]benzothiadiazepine, a novel tricyclic ring.

Il Farmaco 52(6-7) , 375-8, (1997)

The synthesis of pyrrolo[2,1-d][1,2,5]benzothiadiazepin-7(6H)-one 5,5-dioxide has been achieved by reaction between 2-(1H-pyrrol-1-yl)benzenesulfonamide and triphosgene. N-Ethylation of the tricyclic ...

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

2-Aminobenzenesulfonamide
orthanilamide
aminobenzenesulfonamide
2-Sulphamoylaniline
EINECS 221-988-1
MFCD08443599
sulfamoylaniline
o-sulfanilamide
2-amino-benzenesulfonamid
o-amino-benzenesulfonamid
2-Aminobenzenesulfonamde
2-Amino-Benzensulfonamide
o-aminobenzenesulfonamide
2-Aminobenzenesulfamide

 2-Aminobenzenesulfonamide | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the melting point of 2-Aminobenzenesulfonamide?
A: Melting point of 2-Aminobenzenesulfonamide is 155-157 °C(lit.).
Q: What is the English name of 2-Aminobenzenesulfonamide?
A: The English name of 2-Aminobenzenesulfonamide is 2-Aminobenzenesulfonamide.
Q: What is the safety information for 2-Aminobenzenesulfonamide?
A: Safety information for 2-Aminobenzenesulfonamide: S36/37/39-S26-S22.
Q: What is the molecular formula of 2-Aminobenzenesulfonamide?
A: Molecular formula of 2-Aminobenzenesulfonamide is C6H8N2O2S.
Q: What is the polar surface area (PSA) of 2-Aminobenzenesulfonamide?
A: Polar surface area (PSA) of 2-Aminobenzenesulfonamide is 94.56000.
Q: What are the uses of 2-Aminobenzenesulfonamide?
A: Main uses of 2-Aminobenzenesulfonamide: 2-Aminobenzenesulfonamide is a carbonic anhydrase IX inhibitor.
Q: What is the SMILES notation of 2-Aminobenzenesulfonamide?
A: SMILES notation of 2-Aminobenzenesulfonamide is Nc1ccccc1S(N)(=O)=O.
Q: What is the LogP of 2-Aminobenzenesulfonamide?
A: LogP of 2-Aminobenzenesulfonamide is 0.22.
Q: What is the boiling point of 2-Aminobenzenesulfonamide?
A: Boiling point of 2-Aminobenzenesulfonamide is 392.7±44.0 °C at 760 mmHg.
Q: What are the upstream materials of 2-Aminobenzenesulfonamide?
A: Related upstream materials(CAS) of 2-Aminobenzenesulfonamide: 5455-59-4;107342-23-4;13338-00-6;1694-92-4;121-51-7;50881-48-6;6961-82-6.

 2-Aminobenzenesulfonamidefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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