4-Cyanobenzoic acid CAS 619-65-8

Soluble in alcohols, ethers, hot water, and hot acetic acid

4-Cyanobenzoic acid Basic information
Product Name:	4-Cyanobenzoic acid
CAS:	619-65-8
MF:	C8H5NO2
MW:	147.13
EINECS:	210-606-9
Mol File:	619-65-8.mol
4-Cyanobenzoic acid Chemical Properties
Melting point	219-221 °C (dec.)(lit.)
Boiling point	267.22°C (rough estimate)
density	1.3067 (rough estimate)
refractive index	1.5510 (estimate)
storage temp.	Store below +30°C.
solubility	Soluble in methanol.
form	Crystalline Powder
pka	3.55(at 25℃)
color	White to yellow-beige
Water Solubility	1.2g/L
Sensitive	Air Sensitive
BRN	1862865
Stability:	Stable. Incompatible with strong oxidizing agents, strong acids, strong bases.
InChI	1S/C8H5NO2/c9-5-6-1-3-7(4-2-6)8(10)11/h1-4H,(H,10,11)
InChIKey	ADCUEPOHPCPMCE-UHFFFAOYSA-N
LogP	1.56
CAS DataBase Reference	619-65-8(CAS DataBase Reference)
NIST Chemistry Reference	Benzoic acid, 4-cyano-(619-65-8)
EPA Substance Registry System	Benzoic acid, 4-cyano- (619-65-8)

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.