4-Aminobenzoesure Produkt Beschreibung

4-Aminobenzoic acid Struktur
150-13-0
  • CAS-Nr.150-13-0
  • Bezeichnung:4-Aminobenzoesure
  • Englisch Name:4-Aminobenzoic acid
  • Synonyma:4-Aminobenzoesure
    PABA;potaba;rvpaba;Pabacyd;Pabagel;Pabanol;p-amino;Romavit;Actipol;Pabafilm
  • CBNumber:CB4212038
  • Summenformel:C7H7NO2
  • Molgewicht:137.14
  • MOL-Datei:150-13-0.mol
4-Aminobenzoesure physikalisch-chemischer Eigenschaften
  • Schmelzpunkt: :187-189 °C(lit.)
  • Siedepunkt: :251.96°C (rough estimate)
  • Dichte :1.374 g/mL at 25 °C(lit.)
  • Brechungsindex :1.5323 (estimate)
  • Flammpunkt: :250 °C
  • storage temp.  :2-8°C
  • Löslichkeit :95% ethanol: soluble5%, clear to slightly hazy, colorless to yellow
  • Aggregatzustand :Crystalline Powder
  • pka :2.50, 4.87(at 25℃)
  • Farbe :White to light yellow
  • PH :3.5 (5g/l, H2O, 20℃)
  • Wasserlöslichkeit :4.7 g/L (20 ºC)
  • Sensitive  :Air & Light Sensitive
  • Merck  :14,423
  • BRN  :471605
  • Stabilität: :Stable. Incompatible with strong oxidizing agents. Combustible. Sensitive to light and air. May discolour on exposure to light.
  • InChIKey :ALYNCZNDIQEVRV-UHFFFAOYSA-N
  • CAS Datenbank :150-13-0(CAS DataBase Reference)
  • NIST chemische Informationen :p-Aminobenzoic acid(150-13-0)
  • EPA chemische Informationen :Benzoic acid, 4-amino-(150-13-0)
Sicherheit
  • Kennzeichnung gefährlicher :Xn,Xi
  • R-Sätze: :22-36/37/38-43
  • S-Sätze: :26-36-37/39
  • WGK Germany  :3
  • RTECS-Nr. :DG1400000
  • TSCA  :Yes
  • HS Code  :29224995
  • Giftige Stoffe Daten :150-13-0(Hazardous Substances Data)
  • Toxizität :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)

4-Aminobenzoic acid Chemische Eigenschaften,Einsatz,Produktion Methoden

  • R-Sätze Betriebsanweisung: R22:Gesundheitsschädlich beim Verschlucken.
    R36/37/38:Reizt die Augen, die Atmungsorgane und die Haut.
    R43:Sensibilisierung durch Hautkontakt möglich.
  • S-Sätze Betriebsanweisung: S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.
    S36:DE: Bei der Arbeit geeignete Schutzkleidung tragen.
    S37/39:Bei der Arbeit geeignete Schutzhandschuhe und Schutzbrille/Gesichtsschutz tragen.
  • Chemische Eigenschaften White to off white crystalline powder
  • Verwenden 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.
  • Verwenden gastric acid secretion inhibitor
  • Verwenden octyl dimethyl PABA (padimate-O; p-aminobenzoic acid) is an FDA-approved sunscreen chemical whose InCI name is now ethylhexyl dimethyl PABA.
  • Verwenden PABA is a sunscreen chemical with an approved usage level of 5 to 15 percent. It is found to be irritating to sensitive skin, has the potential to cause sensitization, and is considered too water soluble. once extremely popular, this ingredient has practically disappeared from sunscreen formulations. PABA is a yellowish or colorless acid found in vitamin B complex.
  • Definition ChEBI: An aminobenzoic acid in which the amino group is para to the carboxy group.
  • Trademarks RVPaba Lipstick (ICN).
  • Allgemeine Beschreibung Colorless crystals that discolor on exposure to light and air.
  • Reaktivität anzeigen 4-Aminobenzoic acid is incompatible with ferric salts and oxidizing agents.
  • Hazard Questionable carcinogen.
  • Sicherheitsprofil Moderately toxic by ingestion and intravenous routes. Ingesting large doses can cause nausea, vomiting, skin rash, methemoglobinemia, and possibly toxic hepatitis. Experimental reproductive effects. Mutation data reported. Questionable carcinogen. Combustible. When heated to decomposition it emits toxic fumes of NO,. A topical sunscreen.
  • läuterung methode Purify p-aminobenzoic acid by dissolving it in 4-5% aqueous HCl at 50-60o, decolorising with charcoal and carefully precipitating it with 30% Na2CO3 to pH 3.5-4 in the presence of ascorbic acid. It can be recrystallised from water, EtOH or EtOH/water mixtures. [Beilstein 14 IV 1126.]
4-Aminobenzoic acid Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte
4-Aminobenzoesure Anbieter Lieferant Produzent Hersteller Vertrieb Händler.
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150-13-0, 4-Aminobenzoic acid Verwandte Suche:
  • Conivaptan impurity B
  • VITAMIN H1
  • VITAMIN BX
  • RARECHEM AL BO 0238
  • PABA
  • P-AMINOBENZOIC ACID
  • P-ANIMOBENZOIC ACID
  • PARA AMINO BENZOIC ACID
  • PARAMINOL
  • 1-Amino-4-carboxybenzene
  • AMINOBENZOIC-4 ACID
  • AMINOBENZOIC ACID
  • ANTICANITIC VITAMIN
  • 4-CARBOXYANILINE
  • 4-AMINOBENZOIC ACID
  • H-4-ABZ-OH
  • CHROMOTRICHIA FACTOR
  • BACTERIAL VITAMIN H1
  • 4-Aminobenzoesαure
  • 4-aminobenzoic
  • 4-amino-benzoicaci
  • Hachemina
  • Kyselina p-aminobenzoova
  • kyselinap-aminobenzoova
  • Pabacyd
  • Pabafilm
  • Pabagel
  • Pabamine
  • Pabanol
  • p-amino
  • p-Aminobenzoesαure
  • p-amino-benzoicaci
  • Paranate
  • p-Carboxyaniline
  • p-Carboxyphenylamine
  • potaba
  • Romavit
  • AMINOBENZOICACID,USP
  • 4-Aminobenzoic Acid(USP/BP)
  • PARA-AMINOBENZOATE
  • P-AMINO BENZOIC ACID INDUSTRIAL GRADE
  • P-AMINO BENZOIC ACID PHARMACEUTICAL GRADE
  • 4-AMINOBENZOIC ACID USP 24
  • p-AMINOBENZOIC ACID pure
  • 4-Aminobenzoic acid, 99+%
  • PABA, VitaminBx, VitaminH1
  • VITAMIN H1(4-AMINOBENZOIC ACID)(PABA)(P)
  • 4-Aminobenzoic acid,PABA, VitaminBx, VitaminH1
  • 4-Aminobenzoic acid, synthesis grade
  • Aminobenzoic Acid (200 mg) (p-aminobenzoic acid)
  • VitaMine H1
  • 4-AMinobenzoic acid, 99% 250GR
  • Actipol
  • 4-AMinobenzoic acid ReagentPlus(R), >=99%
  • 4-AMinobenzoic acid ReagentPlus(R), 99%
  • 4-AMinobenzoic Acid, 97+%
  • The aMino acid
  • Conivaptan hydrochkoride Impurity B