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4-Chromanone

Name: 4-Chromanone
SKU: 0

CAS No.: 491-37-2
Molecular Formula: C9H8O2
Molecular weight: 148.15

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product description

White crystals. Melting point is 39-40℃, boiling point is 128℃ (1.73kPa).

Chemical Properties

Property	Value
Melting point	35-38 °C(lit.)
Boiling point	127-128 °C13 mm Hg(lit.)
Density	1.1291
Refractive index	n20/D 1.575(lit.)
Fp	>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)

Safety Information

Property	Value
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

Product Usage

4-Chromanone is a critical heterocyclic intermediate widely utilized in the fine chemical and pharmaceutical industries. Its structural framework serves as a vital building block for the synthesis of various biologically active compounds, including flavonoids, coumarins, and chromone derivatives. In the pharmaceutical sector, it is used as a precursor for developing drugs with diverse therapeutic effects, such as anti-inflammatory, anti-tumor, and anti-hypertensive agents. Additionally, its derivatives are explored in agrochemicals for the creation of potent fungicides and herbicides. In the material sciences, 4-Chromanone is employed in the production of specialized dyes, photo-sensitive materials, and high-performance polymers. Its unique chemical reactivity makes it an essential reagent in organic synthesis for constructing complex molecular architectures in laboratory research.

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Delivery Time

Inventory 2-3 working days New manufacturing 7-10 working days

Mode of Transportation
1. By Air, fast but expensive.
2. By Sea, usual and economy.
3. By Train, suit for middle Asia countries.
4. By Express, suit for small package.
We only provide highest quality goods available, accompanied by after support!

Qualification Certificate

FAQ

Q1: What international standards do your products and services comply with?

A1: Our products fully comply with international standards such as REACH, MSDS, and COA, and we strictly implement the ISO9001 quality management system. We can also provide third-party testing reports (SGS, BV, etc.) according to customer needs.

Q2: How long does it take for goods to be delivered to my country?
A2: The delivery time depends on the transport mode and destination country. Generally, sea transport takes 15-30 days, air transport takes 3-7 days, and we will optimize the transport route to shorten the delivery time as much as possible.

Can you provide customs clearance services for dangerous chemicals?
A3: Yes. Our team is proficient in the customs clearance procedures for dangerous chemicals in various countries, and can provide professional compliant declaration and customs clearance services to ensure smooth customs clearance.

Q4: Do you provide customized product and service solutions?
A4: Yes. We can provide personalized product customization and export service solutions according to your specific needs (product specifications, application scenarios, procurement volume, etc.).

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