N-Phenylanthranilic Acid CAS 91-40-7

N-Phenylanthranilic Acid, also known as vanadium reagent, is an important intermediate commonly used in the synthesis of acridine compounds. It can be obtained by coupling 2-chlorobenzoic acid and aniline.

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Model:
91-40-7
Brand:
Futurechemical
Code:
91-40-7

Product Description

N-Phenylanthranilic acid Basic information
Product Name:	N-Phenylanthranilic acid
CAS:	91-40-7
MF:	C13H11NO2
MW:	213.23
EINECS:	202-066-8
Mol File:	91-40-7.mol
N-Phenylanthranilic acid Chemical Properties
Melting point	182-185 °C (lit.)
Boiling point	353.22°C (rough estimate)
bulk density	200kg/m3
density	1.1544 (rough estimate)
refractive index	1.5700 (estimate)
storage temp.	Store below +30°C.
solubility	DMSO: 125 mg/mL (586.22 mM)
pka	pKa 5.28(5–10%aq. acetone t=25±0.1 I=0.11) (Uncertain)
form	Fine Powder
color	Light gray-green
Water Solubility	insoluble
Merck	147,273
BRN	1456607
InChIKey	ZWJINEZUASEZBH-UHFFFAOYSA-N
CAS DataBase Reference	91-40-7(CAS DataBase Reference)
EPA Substance Registry System	Phenylanthranilic acid (91-40-7)

Tests	Acceptance Criteria	Results
Redox sensitivity	Confirmed	Confirmed
Sodium carbonate dissolution test	Confirmed	Confirmed
Scorch residue (as sulphate) %	≤0.10	Confirmed
Iron %	≤0.001	Confirmed
Heavy metals (as Pb) %	≤0.001	Confirmed

N-Phenylanthranilic Acid CAS 91-40-7 Dye intermediate Pigment intermediate Fluorescent whitening agent raw material Rubber antioxidant Lubricating oil additive Metal corrosion inhibitor Polymer material antioxidant Photosensitive material auxiliary

Quality Assurance

Full-Process Quality Control: From incoming raw material inspection to in-process monitoring and final outgoing checks, every batch is inspected at each production stage against strict acceptance standards.
Third-Party Certified & Tested: Our quality management system is certified to ISO 9001, and products are regularly tested by accredited laboratories (e.g. SGS, TÜV). Test reports are available on request.
100% Batch Traceability: Each batch carries a unique lot number that links raw material records, production parameters, and test results, enabling complete traceability from factory to final delivery.
Pre-Shipment Inspection: Every order passes a final pre-shipment inspection, with inspection photos and reports shared before dispatch.

FAQ From Customers

Q1: What is the minimum order quantity?

A: There is no quantity limit for the first sample or trial order. Just tell us the actual quantity you need.
Q2: How can I confirm that the quality meets the requirements?

A: Provide your specifications, and our technical team will check them or customize them for you; we can provide TDS, MSDS, and COA, and accept third-party testing.
Q3: How do you ensure stable quality?

A: We manufacture under an ISO 9001 quality system, test every batch before release, and retain samples for 24 months for traceability.
Q4: Do you provide samples?

A: Yes — Free samples are available; freight is at buyer's expense for express delivery.