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A9878

4-Aminobenzoic acid

≥99%, for peptide synthesis, ReagentPlus®

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Synonym(s):

para-Aminobenzoic acid, PABA, Vitamin Bx, Vitamin H1

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5 g
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717,00 CZK
25 g
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1 320,00 CZK
100 g
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3 140,00 CZK

About This Item

Linear Formula:
H2NC6H4CO2H
CAS Number:
Molecular Weight:
137.14
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352106
EC Number:
205-753-0
MDL number:
Beilstein/REAXYS Number:
471605
eCl@ss:
32160406

717,00 CZK

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Product Name

4-Aminobenzoic acid, ReagentPlus®, ≥99%

biological source

synthetic (organic)

Quality Segment

product line

ReagentPlus®

assay

≥99%

form

powder

reaction suitability

reaction type: solution phase peptide synthesis

mp

187-189 °C (lit.)

solubility

ethanol: 50 mg/mL, clear, colorless to faintly yellow

density

1.374 g/mL at 25 °C (lit.)

application(s)

peptide synthesis

storage temp.

room temp

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

General description

4-Aminobenzoic acid, also known as para-aminobenzoic acid (PABA), is utilized as a precursor in the synthesis of aromatic amines and azo dyes.

Application

4-Aminobenzoic acid is used:
  • As a building block in the synthesis of Polyamides
  • As a substrate in folic acid production
  • In the synthesis of Schiff base
  • As an organic ligand in metal-organic framework (MOFs) synthesis

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

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1 of 1

This Item
100536Y0000173429767
description

ReagentPlus®, ≥99%

description

ReagentPlus®, 99%

description

European Pharmacopoeia (EP) Reference Standard

description

purified by sublimation, ≥99%

form

powder

form

solid

form

-

form

solid

assay

≥99%

assay

99%

assay

-

assay

≥99%

product line

ReagentPlus®

product line

ReagentPlus®

product line

-

product line

-

storage temp.

room temp

storage temp.

-

storage temp.

2-8°C

storage temp.

-

Quality Level

200

Quality Level

200

Quality Level

-

Quality Level

100

mp

187-189 °C (lit.)

mp

187-189 °C (lit.)

mp

187-189 °C (lit.)

mp

187-189 °C (lit.)


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hcodes

Hazard Classifications

Aquatic Chronic 3

Storage Class

11 - Combustible Solids

flash_point_f

339.8 °F - closed cup

flash_point_c

171 °C - closed cup

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves



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Questions

1–2 of 2 Questions  
  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf

      Helpful?

  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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