MilliporeSigma
All Photos(2)

429767

Sigma-Aldrich

4-Aminobenzoic acid

purified by sublimation, ≥99%

Synonym(s):
PABA, Vitamin Bx, Vitamin H1
Linear Formula:
H2NC6H4CO2H
CAS Number:
Molecular Weight:
137.14
Beilstein:
471605
EC Number:
MDL number:
eCl@ss:
32160406
PubChem Substance ID:
NACRES:
NA.22

Quality Level

assay

≥99%

form

solid

purified by

sublimation

reaction suitability

reaction type: solution phase peptide synthesis

mp

187-189 °C (lit.)

density

1.374 g/mL at 25 °C (lit.)

application(s)

peptide synthesis

SMILES string

Nc1ccc(cc1)C(O)=O

InChI

1S/C7H7NO2/c8-6-3-1-5(2-4-6)7(9)10/h1-4H,8H2,(H,9,10)

InChI key

ALYNCZNDIQEVRV-UHFFFAOYSA-N

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Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

339.8 °F

Flash Point(C)

171 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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