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CAS No 150-13-0 , 4-aminobenzoic acid Search by region : Germany

  • Name: 4-aminobenzoic acid
  • Synonyms: 4-aminobenzoic acid; p-Carboxyaniline; Paraminol; 4-Carboxyaniline; Hachemina; 150-13-0;p-aminobenzoic acid; para-aminobenzoic acid; PABA;
  • CAS Registry Number:
  • Melting Point: 186-189 ºC
  • Density: 1.374
  • Refractive index: 1.5795
  • Water Solubility: 4.7 G/L (20 ºC)
  • Safety Statements: R36/37/38
  • Hazard Symbols: Xi: Irritant;
  • HS Code: 29224995
  • EINECS: 205-753-0
  • Molecular Weight: 137.13598
  • InchiKey: ALYNCZNDIQEVRV-UHFFFAOYSA-N
  • InChI: InChI=1S/C7H7NO2/c8-6-3-1-5(2-4-6)7(9)10/h1-4H,8H2,(H,9,10)
  • Risk Statements: S26;S37/39
  • Molecular Formula: C7H7NO2
  • Molecular Structure:CAS No:150-13-0 4-aminobenzoic acid

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150-13-0 AMINOBENZOIC ACID BIOCHEMICA

  • Germany AppliChem GmbH [Manufacturer]
  • Tel: +49 6151 93 57 0
  • Fax: +49 6151 93 57 11
  • Address: AppliChem GmbH
    Ottoweg 4
    64291 Darmstadt
    Germany null,nullGermany
Contact Supplier

150-13-0 P-AMINOBENZOIC ACID

  • Germany Cfm Oskar Tropitzsch [Manufacturer]
  • Tel: +49-9231-9619-0
  • Fax: +49-9231-9619-60
  • Address: Cfm Oskar Tropitzsch
    Waldershofer Str. 49-51
    95615 Marktredwitz
    Germany null,nullGermany
Contact Supplier

150-13-0 4-Aminobenzoic acid

  • 4-Aminobenzoic acidPABA
  • Germany Merck Schuchardt OHG [Manufacturers]
  • Tel: +49-(8102)-802-0
  • Fax: +49-(8102)-802-175
  • Address: Eduard-Buchner-Str. 14-20, Hohenbrunn 85662, Hohenbrunn,HohenbrunnGermany
Contact Supplier

150-13-0 4-AMINOBENZOIC ACID

  • Germany Biesterfeld Spezialchemie GmbH [Manufacturer]
  • Tel: +49 40 32008-326
  • Fax: +49 40 32008-696
  • Address: Biesterfeld Spezialchemie GmbH
    Ferdinandstra?e 41
    D - 20095 Hamburg
    Germany null,nullGermany
Contact Supplier

150-13-0 4-AMINOBENZOIC ACID

  • Germany Syntharo Fine Chemicals GmbH [Manufacturer]
  • Tel: +49-(0)214-30-47600
  • Fax: +49-(0)214-40-44247
  • Address: Syntharo Fine Chemicals GmbH
    Chempark Leverkusen - Geb. W15
    51368 Leverkusen
    GERMANY null,nullGermany
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150-13-0 4-Aminobenzoic Acid

  • Germany Karl H. Boddin Chemiehandel GmbH [Manufacturers]
  • Tel: +49-(40)-2271290
  • Fax: +49-(40)-22712930
  • Address: Hans-Henny-Jahnn-Weg 35, Hamburg D-22085, Hamburg,nullGermany
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150-13-0 4-Aminobenzoic acid

  • Germany Klaus F. Meyer GmbH [Manufacturers]
  • Tel: +49-(0)-62 37 - 20 23
  • Fax: +49-(0)-62 37 - 20 26
  • Address: Leiblstrasse 3, Fussgoenheim D-67136, Fussgoenheim,FussgoenheimGermany
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150-13-0 4-Aminobenzoic acid

  • 4-Aminobenzoic acid
  • Germany AppliChem mbH null
  • Tel: +49 6151 93 57 0
  • Fax: +49 6151 93 57 11
  • Address: Ottoweg 4 D-64291 Darmstadt null,nullGermany
Contact Supplier

150-13-0 4-Aminobenzoic acid

  • 4-Aminobenzoic acid
  • Germany Bernhagen-Chemie GmbH [Manufacturer]
  • Tel: +49 (0)6172 1399940
  • Fax: +49 (0)6172 1399949
  • Address: Stift-Tepl Stra? 6 61352 Bad Homburg vdHGERMANY 61352 Bad Homburg vdH,nullGermany
Contact Supplier

150-13-0 4-Aminobenzoic acid

  • Germany Merck KGaA [Manufacturers]
  • Tel: +49-(6151)-72-0
  • Fax: +49-(6151)-72 2000
  • Address: Frankfurter Str. 250, Darmstadt 64293, Darmstadt,DarmstadtGermany
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References of 4-aminobenzoic acid
Title: p-Aminobenzoic Acid
CAS Registry Number: 150-13-0
CAS Name: 4-Aminobenzoic acid
Synonyms: vitamin Bx; bacterial vitamin H1; chromotrichia factor; anti-chromotrichia factor; trichochromogenic factor; anticanitic vitamin; PABA
Trademarks: Pabanol (Valeant)
Molecular Formula: C7H7NO2
Molecular Weight: 137.14
Percent Composition: C 61.31%, H 5.14%, N 10.21%, O 23.33%
Literature References: Widely distributed in nature as a B complex factor. Baker's yeast contains 5 to 6 ppm, brewer's yeast from 10 to 100 ppm. Occurs free and in ester form. Prepn: Toland, Heaton, US 2878281 (1959 to Calif. Research Corp.); Spiegler, US 2947781 (1960 to Du Pont); Nielson et al., J. Chem. Soc. 1962, 371. Purification: Lyding, US 2735865 (1956 to Heyden Chem.). Antirickettsial activity: M. L. Robbins et al., J. Immunol. 64, 431 (1950). Toxicity studies: C. C. Scott, E. B. Robbins, Proc. Soc. Exp. Biol. Med. 49, 184 (1942); R. K. Richards, Fed. Proc. 1, 71 (1942); G. Cronheim, ibid. 10, 289 (1952). Comprehensive description: H. A. El-Obeid, A. A. Al-Badr, Anal. Profiles Drug Subs. Excip. 22, 33-106 (1993).
Properties: Monoclinic prisms from dil alcohol. May turn slightly yellow on prolonged exposure to light and air. mp 187.0-187.5°. pKa: 4.65, 4.80; pH (0.5% soln): 3.5. uv max (water): 266 nm (E1%1cm 1070); (isopropanol): 288 nm (E1%1cm 137). One gram dissolves in 170 ml water at 25°, in 90 ml boiling water; in 8 ml alcohol, in 50 ml ether. Sol in ethyl acetate, glacial acetic acid; slightly sol in benzene. Practically insol in petr ether. Incompatible with ferric salts and oxidizing agents. LD50 in mice, rats (g/kg): 2.85, >6.0 orally (Scott, Robbins). LD50 in rabbits (g/kg): 2.0 i.v. (Richards); 1.83 orally (Cronheim).
Melting point: mp 187.0-187.5°
pKa: pKa: 4.65, 4.80; pH (0.5% soln): 3.5
Absorption maximum: uv max (water): 266 nm (E1%1cm 1070); (isopropanol): 288 nm (E1%1cm 137)
Toxicity data: LD50 in mice, rats (g/kg): 2.85, >6.0 orally (Scott, Robbins); LD50 in rabbits (g/kg): 2.0 i.v. (Richards); 1.83 orally (Cronheim)
 
Derivative Type: Diethylamine salt
CAS Registry Number: 6018-84-4
Molecular Formula: C11H18N2O2
Molecular Weight: 210.27
Percent Composition: C 62.83%, H 8.63%, N 13.32%, O 15.22%
Properties: Crystals from acetone mp 170-173°. Very soluble in water.
Melting point: mp 170-173°
 
Derivative Type: Potassium salt see Potassium p-Aminobenzoate
 
NOTE: p-Aminobenzoic acid is also known as anti-gray-hair factor (in rats only).
Use: Manuf various esters (local anesthetics), folic acid, and azo dyes; in sunburn preventives. Used in laboratories as sulfonamide antagonist.
Therap-Cat: Ultraviolet screen. Formerly as antirickettsial.
Therap-Cat-Vet: Has been used in eczema nasi ("collie nose") in dogs.
Keywords: Antirickettsial; Ultraviolet Screen.