The sulfanilic acid and its salt have been grouped together for assessment due to their similar toxicological properties and uses. CHEMICAL IDENTIFICATION RTECS NUMBER : WP3895500 . It is an off-white solid. Answer: Sulfanilic acid is slightly soluble in cold water. Is sulfanilic acid an amine? It is highly soluble in basic solutions, and moderately soluble in strongly acidic solutions. The product is used as a herbicide, textile and paper softener, fire agent . for sulphanilic acid solubility We now have comprehensive goods supply as well as selling price is our advantage. Sulfanilic acid is a light grey powder or crystals; slightly soluble in water, alcohol, and ether, soluble in hot water and fuming hydrochloric acid, char at 288 - 300 C. Sulfanilic acid is a sulfonated aniline product. Water Solubility: 0.1 g/100 mL (20 C) Stability: Stable. Introduction. Particulate-phase sulfanilic acid may be removed from the air by wet or dry deposition. Sulfanilic acid. Is sulfanilic acid a salt? . It is an off-white solid. Name matches: azo sulfanilic acid. Sulfanilic acid MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents. The solubility of sulfanilic acid in the selected solvents increased with increasing temperature. Infobox references. Sulfanilic acid (cas 121-57-3) . It is a common building block in organic chemistry. Soluble in: water, 4.153e+004 mg/L @ 25 C (est) Organoleptic Properties: Odor and/or flavor descriptions from others (if found). Is Sulphanilic Acid water soluble? Solubility Information: 0.02% max. . The lone pair of electrons on the NH2 group is donated towards the . China Sulfanilic Acid manufacturers - Select 2022 high quality Sulfanilic Acid products in best price from certified Chinese Acid, China Auxiliary suppliers, wholesalers and factory on Made-in-China.com . Both reactants, sulfanilic acid and N.N-dimethylaniline are insoluble in water, which is the solvent used for this reaction. Place the evidence item, questioned side down, on the gelatin-coated side of the treated photographic paper. Sulphanilic acid is insoluble in both water as well as in acid because it can not form hydrogen bonding with the water molecule . For example, benzoic acid is not soluble in water, . It is a zwitterion, which explains its high melting point. Solubility: Aqueous Base (Sparingly), DMSO (Slightly, Heated, Sonicated), Water (Slightly, H: Category: Building Blocks; Miscellaneous; Applications: Sulfanilic Acid (Sulfadimethoxine EP Impurity D) is a toxic metabolite of Tartrazine (T007700). In cases involving clothing, this is accomplished by steaming (heating) the evidence garment with acetic acid vapors which in turn convert nitrites into nitrous acid (HNO2) which is a volatile compound. Sulphanilic acid is insoluble in water . Now, we have got the complete detailed explanation and answer for everyone, who is interested! Articles of Metanilic Acid are included as well. It is a zwitterion, which explains its high melting point. solubility. PMID 20376575; DOI 10.1007/s12010-010-8950-z; Applied biochemistry and biotechnology 2010 Nov; 162 (6):1689-707. bulk density . Metanilic Acid MSDS(Chinese) Toxicological Information. Sulfanilic acid (4-aminobenzenesulfonic acid) is an organic compound with the formula H 3 NC 6 H 4 SO 3. n. a grayish white, crystalline, slightly water-soluble solid, the para form of C6H7NO3S, used chiefly as an intermediate in the manufacture of dyes. Insoluble in Na2CO3: Formula Weight: 173.19: Physical Form: Solid: Percent Purity: 98.0 to 102.0%: Grade: sulfanilic acid anhydrous is white crystal powder with the melting point 288 (begins to decompose).it is easily soluble in ammonia and alkali metal hydroxides base carbonate solution.it is. Water Solubility: slightly soluble MSDS. 12.51 g/L Acidity (pK a) 3.23 (H 2 O) Related compounds . 1 molar acid and 90 mL of water. Slowly pour all the acid into the water. Solubility in water. density. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) sulfanilic acid with 3 drops of 5% NaNO 2. solution. Sulfanilic acid for synthesis; CAS Number: 121-57-3; Synonyms: Sulfanilic acid,4-Aminobenzenesulfonic acid, Aniline-4-sulfonic acid; find Sigma-Aldrich-822338 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich . The solid acid exists as a zwitterion, and has an . It has a molar mass of 173.19 g/mol and melts at 288 C. Sulfanilic acid, 98%, tech. Chemsrc provides Metanilic Acid(CAS#:121-47-1) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Sulfanilic Acid is a colorless, water soluble compound which has many applications. 121-57-3). Sulfanilic Acid (or p-aminobenzenesulfonic acid), a colorless crystalline compound that decomposes at 280-300C. [1] It crystallizes from water as a dihydrate, but can be dehydrated by heating. Sulfanilic acid absorbs UV light at wavelengths >290 nm, and therefore susceptible to direct photolysis by sunlight. SULFANILIC ACID: ICSC: 0569 (April 2005) 4-Aminobenzenesulfonic acid Aniline-4-sulfonic acid: CAS #: 121-57-3 EC Number: 204-482-5 ACUTE HAZARDS PREVENTION . Manufacturer: Thermo Fisher Scientific A1582530. (Also reported as greater than 360 C); almost insoluble in ethanol, ether, benzene; slightly soluble in hot methanol; K2 at 25 C: 5.93x10-4 /Sulfanilic acid monohydrate/|Grayish white, flat crystals /Sulfanilic acid . Physical o and p-aminobenzoic acids do not exist as a Zwitter ion. . Expired - Lifetime Application number US10199A Soaps are made from . Description. Solubility. SDS CoA Synonyms: 4-Aminobenzenesulfonic acid, Aniline-4-sulfonic acid Shop Sulfanilic acid, 98+%, Thermo Scientific at Fishersci.ca. Offered acid is formulated using quality . Sulfonic acid and its salts SDS CoA Synonyms: 4-Aminobenzenesulfonic acid, Aniline-4-sulfonic acid sulphanilic acid solubility Home > sulphanilic acid solubility We are glad that we are steadily growing with the active and long term support of our satisfied customers! Aniline is the starting material in the dye manufacturing industry. Average mass 173.190 Da. This product is one of the important intermediates materials. Synonym: 4-Aminobenzenesulfonic acid Chemical Formula: C6H7NO3S Contact Information: Sciencelab.com, Inc. 14025 Smith Rd. Reagent for the detection of histidine. solubility water: soluble 12.51 g/L at 20 C SMILES string Nc1ccc (cc1)S (O) (=O)=O InChI 1S/C6H7NO3S/c7-5-1-3-6 (4-2-5)11 (8,9)10/h1-4H,7H2, (H,8,9,10) InChI key HVBSAKJJOYLTQU-UHFFFAOYSA-N Looking for similar products? Last Update: May 30, 2022. Melting point is 288. solubility. Product Description. If released to soil, sulfanilic acid is expected to have very high mobility based upon an estimated Koc of 10. Sulfanilic acid is zwitterionic. Name matches: ao7 sulfanilic acid. Sulfanilic acid melts at 205 C before decomposing at higher temperatures to water, sulfur trioxide, sulfur dioxide and nitrogen. CAS 121-57-3, EC Number 204-482-5, chemical formula NHCHSOH. Sulfanilic acid MSDS(Chinese) Toxicological Information. Insoluble in ethanol,ether,caustic soda and sodium carbonate. Because the solid is not hygroscopic, it is used as a standard in acidimetry (quantitative assays of acid content). From the modern uses of Sulphanilic Acid, the production of colourings for textile and food industry stands out, as well as optic whiteners for paper and detergents manufacture.. Why does Sulphanilic acid exist as Zwitter ion? It is an off-white solid. Monoisotopic mass 173.014664 Da. Visit Product Comparison Guide Documentation SDS Technical Service Soaps are water-soluble salts of sodium or potassium of fatty acids. Provided acid is used as an intermediate in production of yellow food dye and pharmaceutical applications. Import, Manufacture and Use Australian sulfanilic acid acid derivatives grams sulfanilic Prior art date 1948-02-21 Legal status (The legal status is an assumption and is not a legal conclusion. Other properties Benzenesulfonic acid . [6] H 3 NSO 3 + 2 NH 3 HNSO2 Initial experiments showed that addition of p-NP to the reaction mixture accelerates the reaction. 12.51 g/L Acidity (pK a) 3.23 (H 2 O) Related compounds Related sulfonic acids. water: 10 g/L at 20 C. Intermediate for dyes and pharmaceuticals. Sulfanilic acid MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents. It is an off-white solid. Sulfanilic acid sc-212977 Hazard Alert Code Key: EXTREME HIGH MODERATE LOW Section 1 - CHEMICAL PRODUCT AND COMPANY IDENTIFICATION PRODUCT NAME . greyish-white crystals or powderChEBI: An aminobenzenesulfonic acid that is aniline sulfonated at the para-position.Sulfanilic acid (4-amino benzene sulfonic acid ) is an off-white crystalline solid which finds application in quantitative analysis of nitrate and nitrite ions. The solid acid exists as a zwitterion, and has an unusually high melting point. It is a zwitterion, which explains its high melting point. It will disintegrate when the temperature is 300. Sulfanilic acid is created by adding sulfuric acid to Sulfanilic acid and is [] It is sparingly soluble in water; 1 g dissolves in 100 g of water at 20C. The density is 1.485 (25/4). It is soluble in austic soda solution and sodium carbonate solution. Sulfamic acid | NH2SO3H or HSO3NH2 or H3NO3S | CID 5987 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological . Sulfanilic acid is the only oil that will completely disperse in water. It is mainly used in dyes and brighteners. Albumin is a water-soluble, globular protein produced by the liver and is the body's predominant serum-binding protein, and has several important functions: (1) keeps fluid from leaking out of blood vessels, (2) nourishes tissues, and (3) transports . In this study, the solubilities of sulfanilic acid were measured in methanol, ethanol, 2-propanol, acetone, acetonitrile, formic acid, and acetic acid with the temperature range of (278.15 to 328.15) K by the analytical stirred-flask method under atmospheric pressure. It is used as a dopant for the chemical synthesis of polyaniline. 1.485 g/cm 3 at 25 C . What is Sulphanilic acid used for? 1.485 g/cm 3 at 25 C. Solubility in water: poor Octanol/water partition coefficient as log Pow: -0.9 EXPOSURE & HEALTH EFFECTS; Routes of exposure Suppliers with verified business licenses. sulfanilic acid synonyms, sulfanilic acid pronunciation, sulfanilic acid translation, English dictionary definition of sulfanilic acid. PMID 25259503; DOI 10.2166/wst.2014.346; Water science and technology : a journal of the International Association on Water Pollution Research 2014; 70 (6):1122-8. Sulfanilic acid standard for elemental analysis for analysis. SULFANILIC ACID CAS number: 121-57-3 EC number: 204-482-5 Chemical formula: C6H7NO3S Molar Mass: 173.19 Sulfanilic acid is also known as Sulphated Sulfanilic acid. The basic chemistry involved is the formation of an orange azo-dye between alpha-naphthol and a diazonium compound of sulfanilic acid. It is soluble in austic soda solution and sodium carbonate solution. Used as Ehrlichs reagent, for detecting of nitrites. Sulfanilic acid (4-aminobenzenesulfonic acid) is an organic compound with the formula H3NC6H4SO3. 3. Formula Weight: 173.19: Percent Purity: 98%: Chemical Name or Material: Sulfanilic Acid ChemSpider ID 8166. Contact China Manufactory Henan Tianfu Chemical Co.,ltd for the product Sulfanilic acid. Antibacterial. Sulfanilic acid (4-amino benzene sulfonic acid ) is an off-white crystalline solid which finds application in quantitative analysis of nitrate and nitrite ions. Is Sulphanilic acid water soluble? It is used to prepare 2,4-diamino-6-p-sulphoanilinopyrimidine by reacting with 6-chloro-pyrimidine-2,4-diamine. CAS 121-57-3, EC Number 204-482-5, chemical formula NHCHSOH. Expert Answers: Sulfanilic acid is an organic compound with the formula HNCHSO. Sulfamic acid is a moderately strong acid, Ka = 0.101 (p Ka = 0.995). 5.0 360 Virtual Tour. Product and Company Identification Product Name Sulfanilic acid CAS Number 121-57-3 Parchem - fine & specialty chemicals 415 Huguenot Street New Rochelle, NY 10801 (914) 654-6800 (914) 654-6899 parchem.com info@parchem.com EMERGENCY RESPONSE NUMBER CHEMTEL It is a . The chemical, sodium 4-aminobenzenesulfonic acid (sodium sulfanilate; CAS No. How are the solubility problems for the two reactants addressed in doing this experiment? Solubility in water. This is a question our experts keep getting from time to time. Sulfanilic acid for synthesis. Ammonium-oxidizing bacteria facilitate aerobic degradation of sulfanilic acid in activated sludge. The fo. Once the sodium nitrite was added the reaction was cooled down so that the diazonium salts could form. Sulfanilic acid is an inner salt, in which the amino group is neutralized by the sulfo group. Glentham Life Sciences: Sulfanilic acid, 99%: Santa Cruz Biotechnology: For experimental / research use only. In acid solution the structure of sulfanilic acid does not change, therefore it remains insoluble. SULFANILIC ACID. since the sulfanilic acid is not soluble in acidic conditions, the procedures helped dissolve the acid in a heated condition of water and sodium carbonate to form a homogenous mixture. It is a zwitterion, which explains its high melting point. I. Hebei Chenzhou . water: 10 g/L at 20 C. CHEMICAL IDENTIFICATION RTECS NUMBER : OY2300000 CHEMICAL NAME : Sulfanilic acid melts at 205 C before decomposing at higher temperatures to water, sulfur trioxide . Sulfanilic acid, 98+%, Thermo Scientific. Sulfanilic acid MSDS Section 1: Chemical Product and Company Identification Product Name: Sulfanilic acid Catalog Codes: SLS1108 CAS#: 121-57-3 RTECS: WP3895500 TSCA: TSCA 8(b) inventory: Sulfanilic acid CI#: Not available. Solubility: 1% (20C) Specific Gravity/Density:1.485 (25C) Molecular Formula:C6 H7 N O3 S EP0063269B1 1985-09-11 Process for preparing amino-arylsulphonic acids. Slightly soluble in water. . Chemsrc provides Sulfanilic acid(CAS#:121-57-3) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. H 3 NSO 3 + NaOH NaH 2 NSO 3 + H 2 O Double deprotonation can be effected in ammonia solution to give the anion HNSO2 3. Water Solubility: 0.1 g/100 mL (20 C) MSDS. sulfanilic acid (Particles (Insoluble or Poorly Soluble) [NOS] Inhalable particles) 10 See Appendix B current TLV/BEI Book US - Wyoming Toxic and Hazardous EP0018541B1 1983-07-13 Process for the preparation of 4-nitrotoluene-2-sulfonic acid. Sulfanilic acid (figure at the right), also known as 4-Aminobenzene-1-sulfonic acid in its preferred IUPAC name, is an off-white crystalline solid with a molecular formula C6H7NO3S. . Having melting point 288 C (550 F; 561 K), Acidity (pKa): 3.25 at 298K and solubility in water: 12.51 g/L, offered Sulfanilic Acid is widely demanded in market. This colourless, water-soluble compound finds many applications. Its isoelectric point is 1.25, which would be the optimum pH for precipitating and recrystallizing it. Slightly Soluble; More . Incompatible with strong oxidizing agents. . Sulfanilic acid: 515-74-2) is a monosodium salt of 4-aminobenzenesulfonic acid (sulfanilic acid; CAS No. CAS number: 121-57-3 EC number: 204-482-5 Chemical formula: C6H7NO3S Molar Mass: 173.19. . EXPERIMENT 6 SYNTHESIS OF SULFANILIC ACID. Fig.1b shows that increase in absorbance in the pres-ence of p-NP is greater, which has led us to the conclu- Aerobic biodegradation of a sulfonated phenylazonaphthol dye by a bacterial community immobilized in a multistage packed-bed BAC reactor. Merck: 14,8926; BRN: 908765; CAS DataBase Reference: Sulfanilic acid(CAS DataBase Reference) NIST Chemistry Reference: Sulfanilic acid(121-57-3) . 2. View more versions of this product. EP0063271B1 1984-12-12 Process for preparing aromatic amino-sulphonic acids. References Sulfanilic acid GR for analysis ACS,Reag. View larger video & image. Ph Eur; CAS Number: 121-57-3; Synonyms: Sulfanilic acid,4-Aminobenzenesulfonic acid, Aniline-4-sulfonic acid; find Supelco-100686 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich . . 01 molar (M) hydrochloric acid, use 10 mL of . Electrophoresis, Western Blotting and ELISA This monograph for Sulfanilic Acid provides, in addition to common physical constants, a general description including typical appearance, applications, change in state (approximate), and aqueous solubility. 2. density. Expert Answers: Sulfanilic acid sodium salt 98% | 6106-22-5. Articles of Sulfanilic acid are included as well. Process desensitized photographic paper with a mixture of 50% alpha-naphthol solution and 50% sulfanilic acid solution; allow paper to dry. . Sulfanilic acid, also known as amidosulfonic acid, amidosulfuric acid, aminosulfonic acid, sulphamic acid and sulfamidic acid, is a molecular compound with the formula H3NSO3. Sulfanilic acid is soluble in alkaline solution because the hydroxide ion OH -, being strongly basic, starts a hydrogen ion (H +) of the weak basic group -NH 2, forming the ion p-aminobenzenesulfonate, which is soluble in water. . It is insoluble in ethanol, aether and other organic solvents. The monograph also details the following specifications and corresponding tests for verifying that a substance meets ACS Reagent Grade specifications including: Assay, Residue after . It is insoluble in ethanol, aether and other organic solvents. (Sulfanilic acid) DATE PREPARED: 11/1/2017 Page 1 of 7 Section 1. Molecular Formula CHNOS. Then five drops of the sample . Define sulfanilic acid. EP0063270B1 1985-01-02 Process for preparing p-sulfanilic acid. This colourless, water-soluble compound finds many applications. Cosmetic Information: . Shop Sulfanilic Acid Anhydrous (Crystalline/Certified ACS), Fisher Chemical at Fishersci.com Fisher Scientific ; Fisher Healthcare ; Fisher Science Education . It plays an essential role in the manufacturing of azo dyes and in synthesis of sulfa drugs. Sulfanilic acid (4-aminobenzenesulfonic acid) is an organic compound with the formula H 3 NC 6 H 4 SO 3. Sulfanilic acid is expressed from the seed. SULFANILIC ACID . Solubility Information: Slightly soluble in water. Allow a minute or two for the acid to mix before using it, or stir gently with a clean glass rod, then rinse it in DI water. formed when sulfanilic acid was allowed to react with H 2 O 2 in universal buffer (pH 9.69.7) in the presence of Co2+ ion as catalyst. Sulfanilic Acid, Reagent ACS ACC# 96543 Section 1 - Chemical Product and Company Identification: MSDS Name: Sulfanilic Acid, Reagent ACS Catalog Numbers: AC419840000, AC419841000, AC419845000 . Chat now for more business.

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