4-Amino-benzenesulfonic acid monosodium salt

Preparation method Production process flow chart Uses

Product Name: 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
Formula Weight: 197.18
MOL File: 515-74-2.mol

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4-Amino-benzenesulfonic acid monosodium salt Property

storage temp.: Inert atmosphere,Room Temperature
form: Solid
color: Off-white to brown
CAS DataBase Reference: 515-74-2(CAS DataBase Reference)
EPA Substance Registry System: Sulfanilic acid monosodium salt (515-74-2)

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

ChemScene

Product number: CS-W022956
Product name: Sodium4-aminobenzenesulfonate
Purity: ≥98.0%
Packaging: 100g
Price: $100
Updated: 2021/12/16

Matrix Scientific

Product number: 099144
Product name: Sodium 4-aminobenzenesulfonate
Purity: 95+%
Packaging: 100g
Price: $168
Updated: 2021/12/16

AK Scientific

Product number: P258
Product name: Sodium4-aminobenzenesulfonate
Packaging: 100g
Price: $185
Updated: 2021/12/16

Matrix Scientific

Product number: 099144
Product name: Sodium 4-aminobenzenesulfonate
Purity: 95+%
Packaging: 10g
Price: $38
Updated: 2021/12/16

ChemScene

Product number: CS-W022956
Product name: Sodium4-aminobenzenesulfonate
Purity: ≥98.0%
Packaging: 500g
Price: $320
Updated: 2021/12/16

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

Preparation method

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

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.

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.

Flammability and Explosibility

Non flammable

Purification Methods

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

4-Amino-benzenesulfonic acid monosodium salt Preparation Products And Raw materials

Raw materials

Sulfanilic acid Sulfamic acid monosodium salt Aniline Sulfuric acid Sodium carbonate

Preparation Products

Acid Orange 7 ACID YELLOW 17 Fluorescent Brightener BC resist H REACTIVE GREEN 19 4-Hydrazinobenzenesulfonic acid Reactive Dark Blue M-2ge whitener WG for wool New red Tartrazine Mordant Yellow 10

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View Lastest Price from 4-Amino-benzenesulfonic acid monosodium salt manufacturers

Hebei Weibang Biotechnology Co., Ltd

Product: 4-Amino-benzenesulfonic acid monosodium salt 515-74-2
Price: US $0.00-0.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 500000kg
Release date: 2024-11-05

Henan Fengda Chemical Co., Ltd

Product: 4-Amino-benzenesulfonic acid monosodium salt 515-74-2
Price: US $8.00-1.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: g-kg-tons, free sample is available
Release date: 2024-03-28

Hebei Mojin Biotechnology Co., Ltd

Product: 4-Amino-benzenesulfonic acid monosodium salt 515-74-2
Price: US $0.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 50000KG/month
Release date: 2023-10-08

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515-74-2

H2NC6H4SO3Na

NH2C6H4SO3Na

C6H7NNaO3S

C6H10O5NSNa

NH2C6H4SO3Na2H2O

Intermediates of Dyes and Pigments