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4-Amino-benzenesulfonic acid monosodium salt

CAS No.
515-74-2
Chemical Name:
4-Amino-benzenesulfonic acid monosodium salt
Synonyms
SODIUM SULFANILATE;Ccris 7446;Einecs 208-208-5;Sodium sulfanylate;sodiumsulphanilate;Sulphanilate Sodium;SODIUM ANILINESULFONATE;AMino benzene sulfonate;4-AMPYRONE 99% HIGH GRADE;Sulfanic acid sodium salt
CBNumber:
CB4320016
Molecular Formula:
C6H8NNaO3S
Molecular Weight:
197.18
MDL Number:
MFCD00064394
MOL File:
515-74-2.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-04-24 14:58:15
Product description Number Pack Size Price
Sodium4-aminobenzenesulfonate ≥98.0% CS-W022956 100g $100
Sodium 4-aminobenzenesulfonate 95+% 099144 100g $168
Sodium4-aminobenzenesulfonate P258 100g $185
Sodium 4-aminobenzenesulfonate 95+% 099144 10g $38
Sodium4-aminobenzenesulfonate ≥98.0% CS-W022956 500g $320
More product size

4-Amino-benzenesulfonic acid monosodium salt Properties

storage temp. Inert atmosphere,Room Temperature
form Solid
color Off-white to brown
Cosmetics Ingredients Functions HAIR DYEING
ANTIOXIDANT
InChI InChI=1S/C6H7NO3S.Na.H/c7-5-1-3-6(4-2-5)11(8,9)10;;/h1-4H,7H2,(H,8,9,10);;
InChIKey SKPUWZMHPCQXPO-UHFFFAOYSA-N
SMILES S(C1C=CC(N)=CC=1)(O)(=O)=O.[NaH]
CAS DataBase Reference 515-74-2(CAS DataBase Reference)
EWG's Food Scores 1-3
FDA UNII 9YJ2Q81720
EPA Substance Registry System Sulfanilic acid monosodium salt (515-74-2)

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS07
Signal word  Warning
Hazard statements  H302-H315-H319-H335
Precautionary statements  P261-P305+P351+P338
TSCA  TSCA listed
NFPA 704
0
1 0

4-Amino-benzenesulfonic acid monosodium salt price More Price(11)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
ChemScene CS-W022956 Sodium4-aminobenzenesulfonate ≥98.0% 515-74-2 100g $100 2021-12-16 Buy
Matrix Scientific 099144 Sodium 4-aminobenzenesulfonate 95+% 515-74-2 100g $168 2021-12-16 Buy
AK Scientific P258 Sodium4-aminobenzenesulfonate 515-74-2 100g $185 2021-12-16 Buy
Matrix Scientific 099144 Sodium 4-aminobenzenesulfonate 95+% 515-74-2 10g $38 2021-12-16 Buy
ChemScene CS-W022956 Sodium4-aminobenzenesulfonate ≥98.0% 515-74-2 500g $320 2021-12-16 Buy
Product number Packaging Price Buy
CS-W022956 100g $100 Buy
099144 100g $168 Buy
P258 100g $185 Buy
099144 10g $38 Buy
CS-W022956 500g $320 Buy

4-Amino-benzenesulfonic acid monosodium salt Chemical Properties,Uses,Production

Preparation method

4-Amino-benzenesulfonic acid monosodium salt is obtained by transposition and neutralization of aniline sulfonated.
	4-Amino-benzenesulfonic acid monosodium salt

Production process flow chart

Put 98% sulphuric acid in the oil bath sulfonated cauldron and add 99% aniline to it after stirring the sulphuric acid for 1 hour. Raise the temperature of the cauldron to 160℃. Launch the vacuum system and make the vacuum degree0.053MPa in the cauldron.Then the temperature of the cauldron is raised to 200℃. The heat preservation lasts for half an hour before the temperature is raised to 260℃ and the completion of heat preservation to transposition. At this time cool and close the vacuum system, keep 10 minutes and discharge the vacuum in the cauldron, gradually cooling to 80℃ . Add water and stir it before putting in the storage tank. In the storage tank, the material is heated to 70-80 degrees centigrade. Add the sodium carbonate and neutralize it to pH=7.0 - 7.5 before moving into the neutralization cauldron with the batch mother liquid. The relative density of water is adjusted to 1.12 before being heated to boiling. Then the activated carbon will be added and stirring is made for half an hour followed by the thermal filtration. The filter cake is washed with water, and the filtrate is steamed to a relative density of 1.18. Afterwards, it is put into the crystallizer and cooled to 30 ℃ in 8 hours followed by the centrifuge filtration. The filtrate can be used as the next batch of mother liquid and the filter cake is p-aminophenylsulfonic acid.
Production process flow chart

Uses

4-Amino-benzenesulfonic acid monosodium salt can be used as a fungicide. It is mainly used to control the rust of wheat and the rust of other crops.It can also be used for the prevention and control of wheat rust, dilute the original fungicide with 250 times of liquid to spray the occurrence of the disease points and range. 

Uses

Sodium Sulphanilate is a biochemical indice of inflammation-associated acute-phase response[1].

Flammability and Explosibility

Non flammable

Purification Methods

It crystallises from water. [Beilstein 14 IV 2655.]

References

[1] Mills PC, et, al. Effects of inflammation-associated acute-phase response on hepatic and renal indices in the horse. Aust Vet J. 1998 Mar;76(3):187-94. DOI:10.1111/j.1751-0813.1998.tb10126.x

121-57-3
515-74-2
Synthesis of 4-Amino-benzenesulfonic acid monosodium salt from Sulfanilic acid
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View Lastest Price from 4-Amino-benzenesulfonic acid monosodium salt manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
4-Amino-benzenesulfonic acid monosodium salt  pictures 2025-11-18 4-Amino-benzenesulfonic acid monosodium salt
515-74-2
US $1.10 / g 1g 99.00% 100 Tons Min Dideu Industries Group Limited
4-Amino-benzenesulfonic acid monosodium salt pictures 2025-09-25 4-Amino-benzenesulfonic acid monosodium salt
515-74-2
US $8.00-1.00 / kg 1kg 99% g-kg-tons, free sample is available Henan Fengda Chemical Co., Ltd
4-Amino-benzenesulfonic acid monosodium salt pictures 2025-06-27 4-Amino-benzenesulfonic acid monosodium salt
515-74-2
US $0.00-0.00 / KG 1KG 99% 500000kg Hebei Chuanghai Biotechnology Co., Ltd
4-SULFOANILINE SODIUM SALT 4-AMINOBENZENESULFONIC ACID SODIUM SALT SULPHANILIC ACID SODIUM SALT SULFANILIC ACID SODIUM SALT SODIUM SULFANILATE SODIUM ANILINESULFONATE P-ANILINESULFONIC ACID SODIUM SALT 4-amino-benzenesulfonicacimonosodiumsalt Benzenesulfonicacid,4-amino-,monosodiumsalt p-Aminobenzenesulfonicacidsodiumsalt 4-AMPYRONE 99% HIGH GRADE 4-Amino-benzenesulfonic acid monosodium salt 4-Aminobenzenesulfonic acid sodium p-Sulfoaniline sodium salt Sodium sulfanylate Benzenesulfonic acid, 4-amino-, sodium salt (1:1) Ccris 7446 Einecs 208-208-5 AMino benzene sulfonate sodiuM 4-aMinobenzene-1-sulfonic acid Benzenesulfonic acid,4-amino-, sodium salt Mesalazine EP Impurity O Sodium Salt Mesalazine Impurity 22 Sodium Salt(Mesalazine EP Impurity O Sodium Salt) sulphate p-aminobenzensulfonate SODIUM-P-AMINOBENZENSULFONATE SULFANILICACIDSODIUMSALT,REAGENT Sodium,4-aminobenzenesulfonate sodium4-aminobenzenesulfonate Sodiump-aminobenzenesulfonate sodiumsulphanilate 4-Amino-benzenesulfonicacidmonosodiumsal 4-Amino-benzenesulfonic acid monosodium salt ISO 9001:2015 REACH Sulphanilate Sodium TIANFUCHEM-- 515-74-2--4-Amino-benzenesulfonic acid monosodium salt in stock p-Amino Sodium Benzenesulfonate Sulfanic acid sodium salt 515-74-2 H2NC6H4SO3Na NH2C6H4SO3Na C6H7NNaO3S C6H10O5NSNa NH2C6H4SO3Na2H2O Intermediates of Dyes and Pigments