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Benzenesulfohydroxamic acid

Benzenesulfohydroxamic acid structure

CAS No.: 599-71-3

Chemical Name:: Benzenesulfohydroxamic acid

Synonyms: N-HYDROXYBENZENESULFONAMIDE;Piloty’Piloty's Acid;benzsulfohydroxamicacid;benzsulfo-hydroxamicaci;Benzsulfohydroxamic acid;N-HYDROXYBENZENSUFONAMIDE;BENZENESULFHYDROXAMIC ACID;n-hydroxy-benzenesulfonamid;Hydroxamic acid, benzsulfo-

CBNumber:: CB0385167

Molecular Formula:: C6H7NO3S

Molecular Weight:: 173.19

MDL Number:: MFCD00025013

MOL File:: 599-71-3.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-09-12 18:48:19

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Benzenesulfohydroxamic acid Properties

Melting point	122-125 °C
Boiling point	351.5±25.0 °C(Predicted)
Density	1.342 (estimate)
refractive index	1.5500 (estimate)
storage temp.	2-8°C
solubility	DMF: 30 mg/ml; DMSO: 20 mg/ml; Ethanol: 30 mg/ml; PBS (pH7.2): 2 mg/ml
pka	9.29(at 25℃)
form	solid
color	White to off-white
Merck	14,7426
CAS DataBase Reference	599-71-3(CAS DataBase Reference)
EWG's Food Scores	1
FDA UNII	C64L4UMH19
EPA Substance Registry System	Benzenesulfonamide, N-hydroxy- (599-71-3)

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H302-H315-H319-H335

Precautionary statements

P261-P280-P301+P312-P302+P352-P305+P351+P338

Hazard Codes

Risk Statements

36/37/38

Safety Statements

22-24/25

WGK Germany

RTECS

MX9350000

TSCA

TSCA listed

HS Code

29350090

Toxicity

LD orl-rat: >500 mg/kg NCNSA6 5,42,53

NFPA 704

	0
2		0

Benzenesulfohydroxamic acid price More Price(32)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
TCI Chemical	H0203	Benzenesulfohydroxamic Acid >98.0%(HPLC)(T)	599-71-3	5g	$84	2026-04-30	Buy
TCI Chemical	H0203	Benzenesulfohydroxamic Acid >98.0%(HPLC)(T)	599-71-3	25g	$291	2026-04-30	Buy
Cayman Chemical	10006995	Piloty’s Acid ≥98%	599-71-3	500mg	$17	2026-04-30	Buy
Cayman Chemical	10006995	Piloty’s Acid ≥98%	599-71-3	1g	$28	2026-04-30	Buy
Cayman Chemical	10006995	Piloty’s Acid ≥98%	599-71-3	5g	$82	2026-04-30	Buy

Product number	Packaging	Price	Buy
H0203	5g	$84	Buy
H0203	25g	$291	Buy
10006995	500mg	$17	Buy
10006995	1g	$28	Buy
10006995	5g	$82	Buy

Benzenesulfohydroxamic acid Chemical Properties, Uses, Production

Chemical Properties

white granular crystalline powder

Uses

Benzenesulfohydroxamic Acid can be used as HNO/NO- donor in biochemical model studies, In the Angeli-Rimini test for aldehydes.

Definition

ChEBI: Piloty's Acid is a sulfonamide.

Safety Profile

Slightly toxic by subcutaneousroute. When heated to decomposition it emits toxicvapors of NOx and SOx.

Benzenesulfohydroxamic acid Preparation Products And Raw materials

Raw materials

Preparation Products

Benzenesulfohydroxamic acid Suppliers

Global Suppliers ( 111)

Supplier	Tel	Email	Country	ProdList	Advantage
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	96815	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	4006356688 18621169109	market03@meryer.com	China	40202	62
3B Pharmachem (Wuhan) International Co.,Ltd.	18930552037	3bsc@sina.com	China	15813	69
TCI (Shanghai) Development Co., Ltd.	021-67121386	Sales-CN@TCIchemicals.com	China	24512	81
Energy Chemical	400-0056266	sales8178@energy-chemical.com	China	44850	61
Hangzhou Sage Chemical Co., Ltd.	+86057186818502 13588463833	info@sagechem.com	China	10265	58
Thermo Fisher Scientific	800-810-5118	cnchemical@thermofisher.com	China	17752	75
TOKYO CHEMICAL INDUSTRY CO., LTD.	03-36680489	Sales-JP@TCIchemicals.com	Japan	28364	80
TCI Europe	320-37350700	sales@tcieurope.eu	Europe	23654	75
TCI AMERICA	800-4238616	sales@tciamerica.com	Americas	23636	75

Supplier	Advantage
J & K SCIENTIFIC LTD.	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	62
3B Pharmachem (Wuhan) International Co.,Ltd.	69
TCI (Shanghai) Development Co., Ltd.	81
Energy Chemical	61
Hangzhou Sage Chemical Co., Ltd.	58
Thermo Fisher Scientific	75
TOKYO CHEMICAL INDUSTRY CO., LTD.	80
TCI Europe	75
TCI AMERICA	75

View Latest Price from Benzenesulfohydroxamic acid manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2026-07-15	Piloty's Acid 599-71-3	$55.00			10g	TargetMol Chemicals Inc.
	2021-08-12	BENZENESULFOHYDROXAMIC ACID 599-71-3	$10.00-15.00	1KG	99%+ HPLC		Zhuozhou Wenxi import and Export Co., Ltd

Piloty's Acid
599-71-3
$55.00
TargetMol Chemicals Inc.

BENZENESULFOHYDROXAMIC ACID
599-71-3
$10.00-15.00
99%+ HPLC
Zhuozhou Wenxi import and Export Co., Ltd

Benzenesulfohydroxamic acid Spectrum

BENZENESULFOHYDROXAMIC ACID(599-71-3)MS BENZENESULFOHYDROXAMIC ACID(599-71-3)IR1 BENZENESULFOHYDROXAMIC ACID(599-71-3)IR2

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benzsulfo-hydroxamicaci benzsulfohydroxamicacid Hydroxamic acid, benzsulfo- Hydroxylamine, N-(phenylsulfonyl)- N-(Phenylsulfonyl)hydroxylamine n-hydroxy-benzenesulfonamid N-Hydroxybenzenesulfonimidic acid BENZENESULFHYDROXAMIC ACID benzenesulphonohydroxamic acid n-hydroxybenzenesulfonamidegrspectroscopygrade99min. Benzenesulfonohydroximic acid N-Hydroxybenzenesulfonamide,97% Benzenesulfonamide, N-hydroxy- Benzsulfohydroxamic acid N-HYDROXYBENZENSUFONAMIDE BenzenesulfohydroxamicAcid> Piloty&rsquo 5-Methoxy-41-methylbenzothiazole Piloty's Acid N-HYDROXYBENZENESULFONAMIDE Benzenesulfohydroxamic acid 599-71-3 C6H5SO2NHOH Hydroxylamines (N-Substituted) Hydroxylamines Analytical Reagents Analytical Chromatography Product Catalog IR/UV/ VIS Spectroscopy Reagents Hydroxylamines Hydroxylamines (N-Substituted)