4-Aminobenzoic acid sodium salt - CP, ≥98% , CAS No.555-06-6

CAS: 555-06-6 Cat. No.: A111607 Molecular Weight: 159.12 Beilstein Registry Number: 14418 EC Number: 209-080-3
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GRADE & PURITY CP ? Chemically Pure grade — moderate purity above technical grade but below analytical. Use for general lab reactions where ultra-low impurities aren't critical. ≥98%
Synonyms
Sodium 4-aminobenzoate|555-06-6|Aminobenzoate sodium|4-Aminobenzoic acid sodium salt|Sodium p-aminobenzoate|Sodium aminobenzoate|Antergyl|Benzoic acid, 4-amino-, monosodium salt|sodium;4-aminobenzoate|Sodium para-aminobenzoate|Benzoic acid, p-amino-, mono
Storage
Desiccated,Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
25g
A111607-25g
3
$37.90
Enter a quantity for the sizes you want to add.
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Why this grade

CP, ≥98% CP for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Desiccated,Room temperature Ships Normal Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 3 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
Sodium 4-aminobenzoate | 555-06-6 | Aminobenzoate sodium | 4-Aminobenzoic acid sodium salt | Sodium p-aminobenzoate | Sodium aminobenzoate | Antergyl | Benzoic acid, 4-amino-, monosodium salt | sodium;4-aminobenzoate | Sodium para-aminobenzoate | Benzoic acid, p-amino-, mono
Specifications & Purity
CP, ≥98%
Storage
Desiccated, Room temperature
Shipped In
Normal
Grade
CP
Purity
≥98%
Names and Identifiers
Canonical SmilesC1=CC(=CC=C1C(=O)[O-])N.[Na+]
IUPAC Namesodium;4-aminobenzoate
InChIKeyXETSAYZRDCRPJY-UHFFFAOYSA-M
INCHI1S/C7H7NO2.Na/c8-6-3-1-5(2-4-6)7(9)10;/h1-4H,8H2,(H,9,10);/q;+1/p-1
Isomeric SMILES C1=CC(=CC=C1C(=O)[O-])N.[Na+]
WGK Germany 3
RTECS DG2975000
Molecular Weight 159.12
Beilstein 14418
Reaxy-Rn 4163974
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=4163974&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

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✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

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📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

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Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassBenzenoids
ClassBenzene and substituted derivatives
SubclassBenzoic acids and derivatives
Intermediate Tree Nodes Aminobenzoic acids and derivatives
Direct ParentAminobenzoic acids
Alternative Parents Benzoic acids  Benzoyl derivatives  Aniline and substituted anilines  Carboxylic acid salts  Amino acids  Monocarboxylic acids and derivatives  Carboxylic acids  Primary amines  Organopnictogen compounds  Organooxygen compounds  Organic zwitterions  Organic sodium salts  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Aminobenzoic acid - Benzoic acid - Benzoyl - Aniline or substituted anilines - Amino acid or derivatives - Amino acid - Carboxylic acid salt - Carboxylic acid derivative - Organic alkali metal salt - Carboxylic acid - Monocarboxylic acid or derivatives - Amine - Primary amine - Organooxygen compound - Organonitrogen compound - Organic zwitterion - Organic salt - Organic sodium salt - Hydrocarbon derivative - Organic oxide - Organopnictogen compound - Organic oxygen compound - Organic nitrogen compound - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as aminobenzoic acids. These are benzoic acids containing an amine group attached to the benzene moiety.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
CA2 Tclin Carbonic anhydrase II (17698 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CA1 Tclin Carbonic anhydrase I (13240 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

1 results found

Lot NumberCertificate TypeDateItem
K2120177Certificate of AnalysisSep 04, 2025 A111607
Chemical and Physical Properties
Melt Point(°C)>300°C
Molecular Weight159.120 g/mol
XLogP3
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count3
Rotatable Bond Count1
Exact Mass159.03 Da
Monoisotopic Mass159.03 Da
Topological Polar Surface Area66.200 Ų
Heavy Atom Count11
Formal Charge0
Complexity132.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count2
Documents & Articles
Citations of This Product
References
1. Wenlong Zhang, Lan Wang, Hanxiang Li, Penghai Xu, Fei Yi, Ying Chen, Xingwen Liu, Longyao Wang.  (2023)  A Gemini viscoelastic surfactant stabilized by steric hindrance group on its spacer to construct wormlike micelle structure in concentrated brines.  JOURNAL OF MOLECULAR LIQUIDS,      [PMID:] [10.1016/j.molliq.2023.122275]
2. Lin Gao, Yongsheng Tu, Ruoshui Li, Fengli Liu, Xiaosong Qiu, Yuan Xu, Dongbin Jiang, Zhenbo Du, Yunhui Liu, Jihuai Wu, Miaoliang Huang, Zhang Lan.  (2024)  High efficiency carbon-based CsPbI2Br solar cells achieved by bidirectional passivation of cadmium p-aminobenzoate.  JOURNAL OF POWER SOURCES,      [PMID:] [10.1016/j.jpowsour.2024.235420]
3. Yuwan Tian, Qibo Li, Cheng Wen, Nanchuan Wang, Zhaoding Zeng.  (2025)  LDH-inhibitor conversion film on steel rebar for mitigating chloride-induced corrosion in reinforced concrete environment.  CONSTRUCTION AND BUILDING MATERIALS,      [PMID:] [10.1016/j.conbuildmat.2025.144306]
Solution Calculators
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