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150-13-0 - 4-Aminobenzoic acid, 99% - H-4-Abz-OH - PABA - A12673 - Alfa Aesar

A12673 4-Aminobenzoic acid, 99%

Codice CAS
150-13-0
Sinonimi
H-4-Abz-OH
PABA

Dimensioni Prezzo ($) Quantità Disponibilità
50g 19,26
250g 34,65
1000g 91,80
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4-Aminobenzoic acid, 99%

MDL
MFCD00007894
EINECS
205-753-0

Proprietà chimiche

Formula
C7H7NO2
Peso formula
137.14
Punto di fusione
ca 187° dec.
Densità
1.374
Sensibilità
Air & Light Sensitive
Solubilità
Slightly soluble in water. Soluble in methanol and diethyl ether.

Applicazioni

4-Aminobenzoic acid acts as a gastric acid secretion inhibitor. It is employed as an intermediate in the synthesis of folate (Vitamin BX), azo dyes and cross linking agents. It is also useful in biomedical sector for the preparation of local anesthetic and ointments. It is widely used in industries to make pharmaceutical products, flavors and preservatives. It is actively involved as a UV-blocking ingredient in sun tan cosmetics.

Note

Air and light sensitive. Incompatible with ferric salts and oxidizing agents. May discolor on exposure to light and air. Keep the container tightly closed in a dry and well-ventilated place.

Letteratura

Liu, B.-T.; Li, P.-S. Preparation and characterization of high-refractive-index polymer/inorganic hybrid films containing TiO2 nanoparticles prepared by 4-aminobenzoic acid. Surf. Coat. Technol. 2013, 231, 301-306.

Campbell, J. L.; Blanc, J. C. Y. L.; Schneider, B. B. Probing Electrospray Ionization Dynamics Using Differential Mobility Spectrometry: The Curious Case of 4-Aminobenzoic Acid. Anal. Chem. 2012, 84 (18), 7857-7864.

Rischio GHS e dichiarazioni precauzionali

Dichiarazioni di rischio (UE): H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Dichiarazioni precauzionali: P261-P280-P305+P351+P338-P304+P340-P362-P312-P321-P405-P403+P233-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Take off contaminated clothing and wash before reuse. Call a POISON CENTER or doctor/physician if you feel unwell. Specific treatment (see label). Store locked up. Store in a well-ventilated place. Keep container tightly closed. Dispose of contents/container in accordance with local/regional/national/international regulations.

Altri riferimenti

Merck
14,423
Beilstein
471605
Codice tariffe armonizzato
2922.49
TSCA
Yes
RTECS
DG1400000

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