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Sulfanilamide

Product Name:
Sulfanilamide
CAS No.
63-74-1
Chemical Name:
Sulfanilamide
CBNumber:
CB6212562
Molecular Formula:
C6H8N2O2S
Formula Weight:
172.2
MOL File:
63-74-1.mol
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Sulfanilamide Property

Melting point:
164-166 °C(lit.)
Boiling point:
400.5±47.0 °C(Predicted)
Density 
1.08
vapor pressure 
0.00001 hPa (70 °C)
refractive index 
1.6490 (estimate)
storage temp. 
0-6°C
solubility 
5.37g/l
pka
pKa 10.65(H2O t = 25.0±0.5 I = 0.2) (Uncertain)
form 
powder
color 
white to faintly beige
Odor
Odorless
PH
5.8-6.1 (5g/l, H2O, 20℃)
PH Range
5.8 - 6.1 (0.5% aq.sol.)
Water Solubility 
7.5 g/L at 25 ºC
λmax
257nm(H2O)(lit.)
Merck 
14,8925
BRN 
511852
InChIKey
FDDDEECHVMSUSB-UHFFFAOYSA-N
CAS DataBase Reference
63-74-1(CAS DataBase Reference)
NIST Chemistry Reference
Benzenesulfonamide, 4-amino-(63-74-1)
EPA Substance Registry System
Sulfanilamide (63-74-1)
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Safety

Hazard Codes 
Xn
Risk Statements 
40
Safety Statements 
24/25-36-22
WGK Germany 
3
RTECS 
WO8400000
10
TSCA 
Yes
HazardClass 
8
HS Code 
29350090
Hazardous Substances Data
63-74-1(Hazardous Substances Data)
Toxicity
LD50 orally in mice: 3.8 g/kg (Marshall)
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N-Bromosuccinimide Price More Price(24)

Sigma-Aldrich Gold
Product number:
1633007
Product name :
Sulfanilamide
Purity:
97%
Packaging:
1g
Price:
$237.65
Updated:
2019/12/02
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Sigma-Aldrich Gold
Product number:
1632004
Product name :
Sulfanilamide
Purity:
United States Pharmacopeia (USP) Reference Standard
Packaging:
5g
Price:
$352.8
Updated:
2019/12/02
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TCI Chemical Gold
Product number:
S0119
Product name :
Sulfanilamide
Purity:
>99.0%(HPLC)(T)
Packaging:
25g
Price:
$142
Updated:
2020/06/24
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TCI Chemical Gold
Product number:
S0119
Product name :
Sulfanilamide
Purity:
>99.0%(HPLC)(T)
Packaging:
100g
Price:
$42
Updated:
2020/06/24
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Alfa Aesar Gold
Product number:
A13001
Product name :
Sulfanilamide, 98%
Packaging:
100g
Price:
$25.9
Updated:
2020/06/24
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Sulfanilamide Chemical Properties,Usage,Production

Product features

Sulfanilamide is an organic sulfur compound structurally similar to p-aminobenzoic acid (PABA) with antibacterial property. Sulfanilamide competes with PABA for the bacterial enzyme dihydropteroate synthase, thereby preventing the incorporation of PABA into dihydrofolic acid, the immediate precursor of folic acid. This leads to an inhibition of bacterial folic acid synthesis and de novo synthesis of purines and pyrimidines, ultimately resulting in cell growth arrest and cell death.Without it, bacteria cannot replicate.

  1. Mechanism of action: mechanism of action is to interfere with the synthesis of nucleic acids required for pathogenic microorganisms,making bacteria lack of nutrition and stop the growth, development and reproduction, having suppression killing effect on hemolytic streptococcus, staphylococcus and meningococcal.
  2. Pharmacodynamics: Oral easily absorbed from the gastrointestinal tract, widely distributed in the body, can penetrate the blood-brain barrier into the brain tissue, and can penetrate the placental barrier into the fetus. Rapid excretion, mainly excreted in metabolites from kidney.
  3. Clinical application: Mainly used for trauma infection caused by infection hemolytic streptococcus, staphylococcus, and local wound infections.
  4. Uses: Sulfanilamide is lower toxicity in sulfa drugs, can be applied for infants, pregnant women, pregnant women and during menstruation, but not in large doses. Having effects on hemolytic streptococcal infection (erysipelas, puerperal fever, tonsillitis), urinary tract infection (gonorrhea) and so; also the intermediate for synthesis of other sulfa drug (such as sulfa amidine, pyrimidine and sulfamethoxazole sulfa methoxy-triazine, etc. ).

Chemical properties

White granular or crystalline powder, odorless. Slightly bitter taste. Slightly soluble in water, ethanol, methanol, ether and acetone, soluble in boiling water, glycerol, hydrochloric acid, sodium hydroxide and potassium hydroxide solution, insoluble in chloroform, ether, benzene, petroleum ether.

Uses

  1. Sulfanilamide is the main raw material for the synthesis of sulfa drugs.
  2. Used as a reagent to determine nitrite, also used in the pharmaceutical industry.
  3. Used as intermediates for the synthesis of other sulfa drugs, even for wound disinfection.
  4. Amino benzene sulfonamide is intermediate of herbicide asulam, as well as intermediate of sulfa medicine.
  5. Veterinary medicine, topical anti-inflammatory drugs, for analysis and detection.
  6. Wide spectrum antibacterial, having antibacterial effects on hemolytic streptococcus, Neisseria meningitidis, Staphylococcus aureus and other Gram-positive and negative bacteria. This product is topical application, it can be partially absorbed from the wound. For trauma infections of hemolytic streptococcus and staphylococcus. It can also be used to quickly stop the bleeding wound.

Production methods

There are several methods for their preparation.
1. Acetyl aniline used as raw material
The acetanilide reacts with chlorosulfonic acid at 40~50 ℃, and then cooled slowly, added to water for acid decomposition, while precipitation, dried and filtered to give acetaminophen chloride and ammoniated, ammoniated temperature is controlled at 40~45 ℃, hydrolysis, acidification.
2. Method of mixed diphenyl urea
Condensation of aniline and urea is single-phenylurea and diphenyl urea (called mixed urea), and then obtained from chlorosulfonated, amination, hydrolysis, acid precipitation. The reaction procedure is as follows.
(1)Condensation condensation of aniline hydrochloride and urea, at a temperature of 101~110 ℃ reaction for 3~4 h, obtaining mixed diphenyl urea.
(2)Chlorosulfonated Chlorine acid is pressed into the sulfonated pot, stirring cooling, when the temperature drops below 10 ℃, uniformly added mixed phenyl urea under stirring, the reaction temperature is gradually increased, the addition is completed, at the 46~50 ℃ insulation and mixing for 2 h, cooled to below 10 ℃, added water for acid decomposition. Controlling that the decomposition temperature does not exceed 15 ℃, after the addition of water continued stirring for 20min, then by precipitation, washed with water, obtaining mixed phenylurea chloride.
(3)Ammoniated 2% aqueous ammonia is put into ammoniated pan, cooled to 25 ℃, stirring and added into a mixing phenyl urea chloride, control the temperature at 40 ℃, insulation and reaction for 3h, obtaining ammoniated liquid.
(4)Hydrolysis and neutralization The amide is heated up to 90 ℃, is added 3% lye, continue to heat 108~112 ℃, hydrolysis for 5 h, and moved in the crystallization pot, added hydrochloric acid to neutralize crystals and the crystals are cooled to 20 ℃, crystallization, filtration, washed with water, dry, products are obtained.

Uses

Sulfanilamide is an antibacterial agent and antimicrobial agent of sulfonamide type (topical and vaginal).

Uses

The active metabolite of the antibacterial dye, Sulfamidochrysoidine. Inhibits folic acid synthesis in prokaryotes. Antibacterial.

Definition

A type of organic compound with the general formula R.SO2.NH2. Sulfonamides, which are amides of sulfonic acids, are active against bacteria, and some are used in pharmaceuticals (‘sulfa drugs’).

brand name

Acetonal vaginal;Amidrin;Avc cream suppositoty;Avc/dienestrol;Avril;Azol polvo;Azol pomada;Buco pental;Buco regis;Chemiovis;Daromid;Defonamid;Dorsec;Expseptoplix;Faderma;Fricton;Gagaril sulfamida;Gynaedron;Instilin;Jacosulfon;Medeyol;Mentol sedans sulfamidad;Nasopomada;Odamida;Oestro-gyneadron;Otocaina;Otonasal;Otorrilan;Ovuthricinol;Oxidermiol;Paraseptol;Pental forte;Pentalmicina;Polvo sulfamida leti;Polvo sulfamida orrvan;Polvos wilfe;Pomada heridas;Pomada wilfe;Prontablin;Pulvi bacteramide;Pyodental;Pyodron;Quimpeamida;Rhinamide;Rino glucol sulf;Sulfacromo;Sulfonamid spuman;Sulfonamide-spuman-style;Sulfonanilamid;Sulfosellan-salbe;Ung. vemleigh.

World Health Organization (WHO)

Sulfanilamide, a sulfonamide anti-infective agent, was introduced in 1936 for the treatment of bacterial infections. The importance of sulfonamides has subsequently decreased as a result of increasing resistance and their replacement by antibiotics which are generally more active and less toxic. The sulfonamides are known to cause serious adverse effects such as renal toxicity, sometimes fatal exfoliative dermatitis and erythema multiforma and dangerous adverse reactions affecting blood formation such as agranulocytosis and haemolytic or aplastic anaemia. Sulfanilamide is still used in some countries as a pessaries or as vaginal cream.

General Description

White powder. pH of 0.5% aqueous solution: 5.8-6.1.

Air & Water Reactions

May be unstable if exposed for long periods air and light . Slightly water soluble.

Reactivity Profile

Sulfanilamide is an amino acid. May be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. May react with azo and diazo compounds to generate toxic gases.

Fire Hazard

Flash point data for Sulfanilamide are not available but Sulfanilamide is probably combustible.

Safety Profile

Poison by intraperitoneal route. Moderately toxic by ingestion, subcutaneous, and intravenous routes. Human teratogenic effects by unspecified route: developmental abnormalities of the blood and lymphatic systems (including the spleen and bone marrow). Experimental reproductive effects. Questionable carcinogen with experimental carcinogenic data. Mutation data reported. Implicated in aplastic anemia. When heated to decomposition it emits very toxic fumes of NOx and SOx.

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Global(396)Suppliers
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Product features Chemical properties Uses Production methods