CAS No.4346-51-4,ammonium 2-amino-5-nitrobenzenesulphonate Suppliers

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Basic Information

Molecular Structure:
CAS No.:	4346-51-4
Name:	ammonium 2-amino-5-nitrobenzenesulphonate

Formula:	C6H6 N2 O5 S . H3 N
Molecular Weight:	235.24
Synonyms:	Benzenesulfonicacid, 2-amino-5-nitro-, NH4 salt (7CI); Benzenesulfonic acid, 2-amino-5-nitro-,monoammonium salt (8CI,9CI); 1,4-Nitroaniline-2-sulfonic acid ammonium salt;4-Nitroaniline-2-sulfonic acid ammonium salt; Ammonium4-nitroaniline-2-sulfonate
Density:	g/cm³
Boiling Point:	583.7°Cat760mmHg
Flash Point:	306.8°C
Safety:	Moderately toxic by intraperitoneal route. Low toxicity by ingestion. When heated to decomposition it emits toxic vapors of NO_x and NH₃.
PSA:	137.83000
LogP:	2.93280

Synthetic route

: 4346-51-4
2-amino-5-nitrobenzenesulfonic acid ammonium salt

: 22515-32-8
2-sulphonyl-4-nitrobenzene diazonium chloride

Conditions

Conditions	Yield
With hydrogenchloride; sodium nitrite In water at 0 - 5℃; for 2h; Product distribution / selectivity;

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Chemistry

Empirical Formula: C₆H₉N₃O₅S
Molecular Weight: 235.2178 g/mol
EINECS: 224-408-5
Flash Point: 306.8 °C
Enthalpy of Vaporization: 91.76 kJ/mol
Boiling Point: 583.7 °C at 760 mmHg
Vapour Pressure: 1.82E-14 mmHg at 25 °C
Structure of 2-Amino-5-nitrobenzenesulfonic acid ammonium salt (CAS NO.4346-51-4):

IUPAC Name: 2-Amino-5-nitrobenzenesulfonic acid ; Azane

Toxicity Data With Reference

1.	orl-rat LD:>10 g/kg	GTPZAB Gigiena Truda i Professionalnye Zabolevaniia. Labor Hygiene and Occupational Diseases. 32 (4)(1988),55.
2.	ipr-rat LD50:2280 mg/kg	GTPZAB Gigiena Truda i Professionalnye Zabolevaniia. Labor Hygiene and Occupational Diseases. 32 (4)(1988),55.
3.	orl-mus LD:>10 g/kg	GTPZAB Gigiena Truda i Professionalnye Zabolevaniia. Labor Hygiene and Occupational Diseases. 32 (4)(1988),55.

Consensus Reports

2-Amino-5-nitrobenzenesulfonic acid ammonium salt (CAS NO.4346-51-4) has been reported in EPA TSCA Inventory.

Safety Profile

Moderately toxic by intraperitoneal route. Low toxicity by ingestion. When heated to decomposition 2-Amino-5-nitrobenzenesulfonic acid ammonium salt (CAS NO.4346-51-4) emits toxic vapors of NO_x and NH₃.

Specification

2-Amino-5-nitrobenzenesulfonic acid ammonium salt ,its cas register number is 4346-51-4. It also can be called p-Nitroaniline-2-sulfonic acid, ammonium salt ; Benzenesulfonic acid, 2-amino-5-nitro-, monoammonium salt ; Ammonium 2-amino-5-nitrobenzenesulphonate ; and Benzenesulfonic acid, 2-amino-5-nitro-, ammonium salt (1:1) .