4-Hydroxycoumarin CAS 1076-38-6

Soluble in DMSO (small amount), methanol (small amount)

4-Hydroxycoumarin Basic information
Product Name:	4-Hydroxycoumarin
CAS:	1076-38-6
MF:	C9H6O3
MW:	162.14
EINECS:	214-060-2
Mol File:	1076-38-6.mol
4-Hydroxycoumarin Chemical Properties
Melting point	211-213 °C (lit.)
Boiling point	228.82°C (rough estimate)
density	1.1734 (rough estimate)
vapor pressure	0.02Pa at 25℃
refractive index	1.4500 (estimate)
storage temp.	Store below +30°C.
solubility	DMSO (Slightly), Methanol (Slightly)
pka	4.50±1.00(Predicted)
form	Liquid
color	Clear colorless to slightly yellow
Odor	Very faint woody-medicinal odor with a with Aluminum chloride. nut-like, hcrbaccous tone
Water Solubility	PRACTICALLY INSOLUBLE
BRN	129768
InChI	1S/C9H6O3/c10-7-5-9(11)12-8-4-2-1-3-6(7)8/h1-5,10H
InChIKey	VXIXUWQIVKSKSA-UHFFFAOYSA-N
SMILES	OC1=CC(=O)Oc2ccccc12
LogP	1.6-2.31 at 21.2℃
CAS DataBase Reference	1076-38-6(CAS DataBase Reference)
NIST Chemistry Reference	4-Hydroxycoumarin(1076-38-6)
EPA Substance Registry System	2H-1-Benzopyran-2-one, 4-hydroxy- (1076-38-6)

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.