Sulfanilic acid

Sulfanilic acid

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ImageFile = Sulfanilsäure.svg
ImageSize = 100px
IUPACName = p-aminobenzenesulphonic acid
OtherNames = Sulphanilic acid
Section1 = :Sulfanilic acid/indexable
Section2 = Chembox Properties
Formula = C6H7NO3S
MolarMass = 173.19
Appearance =
Density =
MeltingPtC = 288
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Solubility = >20 g/l
SolubleOther =
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pKa =
pKb =
Section7 = Chembox Hazards
EUClass =
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Sulfanilic acid (4-aminobenzene sulfonic acid) is a colourless crystalline solid produced from sulfonation of aniline."Sulphanilic acid". "A Dictionary of Chemistry". Oxford University Press, 2000. Oxford Reference Online. Oxford University Press.]

It readily forms diazo compounds and is used to make dyes and sulpha drugs.

Sulphanilic acid exists as a zwitterion, and has an unusually high melting point.

See also

* Sulfanilic acid indexing terms

References


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Look at other dictionaries:

  • sulfanilic acid — [sul΄fə nil′ik] n. [ SULF(O) + ANIL(INE) + IC] a colorless, crystalline acid, H2NC6H4SO3H, prepared by heating aniline with sulfuric acid: used in dyes and medicines …   English World dictionary

  • sulfanilic acid — sulfanilo rūgštis statusas T sritis chemija formulė H₂NC₆H₄SO₃H atitikmenys: angl. sulfanilic acid rus. сульфаниловая кислота ryšiai: sinonimas – 4 aminobenzensulfonrūgštis …   Chemijos terminų aiškinamasis žodynas

  • sulfanilic acid — noun a crystalline acid made from aniline and used as a dye • Syn: ↑sulphanilic acid • Hypernyms: ↑acid * * * |səlfə|nilik noun Etymology: International Scientific Vocabulary sulf + anilic; probably original …   Useful english dictionary

  • sulfanilic acid — sul·fa·nil·ic acid or chiefly Brit sul·pha·nil·ic acid .səl fə .nil ik n a crystalline acid C6H7NO3S obtained from aniline and used esp. in making dyes and as a reagent * * * sul·fa·nil·ic ac·id (sul″fə nilґik) a white crystalline… …   Medical dictionary

  • sulfanilic acid — noun The compound p aminobenzenesulfonic acid, used in the manufacture of dyes and pharmaceuticals …   Wiktionary

  • sulfanilic acid — /sul feuh nil ik, sul /, Chem. a grayish white, crystalline, slightly water soluble solid, the para form of C6H7NO3S, used chiefly as an intermediate in the manufacture of dyes. [1855 60; SULF + anilic (see ANIL, IC)] * * * …   Universalium

  • sulfanilic acid — substance used in the manufacturing of dyes …   English contemporary dictionary

  • sulfanilic acid — sul′fa•nil′ic ac′id [[t]ˈsʌl fəˈnɪl ɪk, ˌsʌl [/t]] n. chem. a grayish white, crystalline, slightly water soluble solid, the para form of C6H7NO3used chiefly as an intermediate in the manufacture of dyes • Etymology: 1855–60; sulf +anilic …   From formal English to slang

  • sulfanilic — SULFANÍLIC adj. acid sulfanilic = acid cromatic sulfonat, cristalizat, din anilină, folosit în industria coloranţilor, ca reactiv etc. (< fr. sulfanilique) Trimis de raduborza, 15.09.2007. Sursa: MDN …   Dicționar Român

  • sulfanilic — adjective Of or pertaining to sulfanilic acid …   Wiktionary

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