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p-Aminobenzoic acid

CAS 150-13-0C7H7NO2MW 137.14

p-Aminobenzoic acid (CAS 150-13-0) — formula C7H7NO2, molecular weight 137.14.

Product Overview

CAS Number150-13-0
Molecular FormulaC7H7NO2
Molecular Weight137.14
Melting Point370 to 372 °F (NTP, 1992)
LogP0.83

Technical Profile

What this product is

p-Aminobenzoic acid is a chemical compound with CAS registry number 150-13-0 and molecular formula C7H7NO2 (molecular weight 137.14).

Identification

CAS number: 150-13-0

Its molecular formula C7H7NO2 comprises 7 C, 7 H, 1 N, 2 O atoms.

Also known as: p-Aminobenzoic acid · 对氨基苯甲酸 · 4-Aminobenzoic acid

Frequently Asked Questions

What is the CAS number of p-Aminobenzoic acid?

The CAS registry number of p-Aminobenzoic acid is 150-13-0.

What is the molecular formula and molecular weight of p-Aminobenzoic acid?

Molecular formula C7H7NO2, molecular weight 137.14.

What other names is p-Aminobenzoic acid known by?

It is also registered under: p-Aminobenzoic acid, 对氨基苯甲酸, 4-Aminobenzoic acid.

PubChem Public Data

Independent reference data for p-Aminobenzoic acid (CAS 150-13-0), compiled from public chemistry databases.

Registry identifiers across databases

CAS Registry Number150-13-0
PubChem CID978
Molecular formulaC7H7NO2
IUPAC name4-aminobenzoic acid
UNII (FDA)TL2TJE8QTX

Computed descriptors

Molecular Weight137.14
XLogP30.8
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count3
Rotatable Bond Count1
Exact Mass137.047678466
Monoisotopic Mass137.047678466
Topological Polar Surface Area63.3
Heavy Atom Count10

Physicochemical values on record

Melting Point370 to 372 °F (NTP, 1992)
Melting Point188.5
Melting Point188.5 °C
Melting Point188 °C
Solubility6110
Solubility6.11 mg/mL
Vapor Pressure0.000278 [mmHg]
LogP0.83
LogPlog Kow = 0.83
pHpH (0.5% solution): 3.5

Documented uses on record

    Used to make local anesthetics, folic acid, and azo dyes; Also used in feed additives, sunscreens, and medications; [HSDB] Occurs naturally as B complex factor--about 10-100 ppm in brewer's yeast;Farming (Feed Additives) [Category: Industry]

    Synonyms and trade names

    4-aminobenzoic acid; 150-13-0; p-aminobenzoic acid; PABA; Vitamin BX; p-Carboxyaniline; para-aminobenzoic acid; Sunbrella; 4-Carboxyaniline; Paraminol; Pabacyd; Amben; Benzoic acid, 4-amino-; p-Carboxyphenylamine; Pabafilm; Pabamine

    Regulatory listings held on file

    Regulatory & Food ContactFDA Substance added to food: NUTRIENT SUPPLEMENT
    CIR / INCI: Uv absorber; Uv filter
    GHS notification summary21.9% (53 / 242)

    GHS hazard classification

    GHS notification summary21.9% (53 / 242)
    Reported hazard statementsH315 (32.2%), H317 (27.7%), H319 (33.1%), H335 (32.2%), H412 (44.6%)

    This chemical does not meet GHS hazard criteria for 21.9% (53 of 242) of reports.

    H315 (32.2%): Causes skin irritation [Warning Skin corrosion/irritation]

    What the public record says

    4-Aminobenzoic acid · CAS 150-13-0 · C7H7NO2. UNII TL2TJE8QTX. Melting Point: 370 to 372 °F (NTP, 1992); Melting Point: 188.5; Melting Point: 188.5 °C.

    Physical description and handling notes

    Source: PubChem / Wikidata; the batch COA governs where values differ.

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Supplier: Jinan Shenghe Chemical Co., Ltd.

中文页面: 对氨基苯甲酸

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