4-Chromanone , 97% , 491-37-2

Synonym(s):
2,3-Dihydro-1-benzopyran-4-one

CAS NO.：491-37-2

Empirical Formula: C9H8O2

Molecular Weight: 148.16

MDL number: MFCD00006840

EINECS: 207-736-3

PRODUCT Properties

• Melting point: 35-38 °C(lit.)
• Boiling point: 127-128 °C13 mm Hg(lit.)
• Density: 1.1291
• refractive index: n20/D 1.575(lit.)
• Flash point: >230 °F
• storage temp.: Keep in dark place,Sealed in dry,Room Temperature
• form: Crystalline Powder, Crystals or Low Melting Mass
• color: White to yellow
• Water Solubility: Slightly soluble in water.
• BRN: 124652
• InChIKey: MSTDXOZUKAQDRL-UHFFFAOYSA-N
• LogP: 1.990 (est)
• CAS DataBase Reference: 491-37-2(CAS DataBase Reference)
• NIST Chemistry Reference: 4H-1-Benzopyran-4-one, 2,3-dihydro-(491-37-2)
• EPA Substance Registry System: 4H-1-Benzopyran-4-one, 2,3-dihydro- (491-37-2)

Description and Uses

4-Chromanone has been used to study the substrate specificity and catalytic ability of 4-hydroxyacetophenone monooxygenase isolated from Pseudomonas fluorescens ACB

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H303
• Precautionary statements: P270-P301+P312-P403-P501c
• Hazard Codes: Xi
• Risk Statements: 33-36/37/38
• Safety Statements: 24/25-36-26
• WGK Germany: 2
• RTECS: DJ2981225
• TSCA: Yes
• HazardClass: IRRITANT
• HS Code: 29329990