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Postion:Product Catalog >Pharmaceutical intermediates>Heterocyclic compound>Pyran compounds>5,7-Dihydroxy-4-methylcoumarin
5,7-Dihydroxy-4-methylcoumarin
  • 5,7-Dihydroxy-4-methylcoumarin
  • 5,7-Dihydroxy-4-methylcoumarin
  • 5,7-Dihydroxy-4-methylcoumarin
  • 5,7-Dihydroxy-4-methylcoumarin
  • 5,7-Dihydroxy-4-methylcoumarin

5,7-Dihydroxy-4-methylcoumarin NEW

Price $60 $55 $30
Package 1KG 25KG 100KG
Min. Order: 1KG
Supply Ability: 10 tons
Update Time: 2024-10-25

Product Details

Product Name: 5,7-Dihydroxy-4-methylcoumarin CAS No.: 2107-76-8
EC-No.: 218-289-9 Min. Order: 1KG
Purity: 0.99 Supply Ability: 10 tons
Release date: 2024/10/25

Product Description


Name

5,7-Dihydroxy-4-methylcoumarin

EINECS218-289-9
CAS No.2107-76-8Density1.456 g/cm3
PSA70.67000LogP1.51260
Solubilityslightly soluble in waterMelting Point296-299 °C(lit.)
FormulaC10H8O4Boiling Point472.068 °C at 760 mmHg
Molecular Weight192.171Flash Point197.851 °C
Transport InformationN/AAppearanceYellow powder

Appearance and properties: gray solid

Density: 1.456 g/cm3

Boiling point: 472.1oC at 760 mmHg

Melting point: 296-299 °C(lit.)

Flash point: 197.8oC

Refractive index: 1.651

Storage conditions: Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials,ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.

Vapor pressure: 1.55E-09mmHg at 25°C

Detailed Photos

  

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Packaging & Shipping

1kg/aluminium foil bag, with two plastic bags inside.

25kg/fiber drum, with two plastic bags inside.

≤50kg, Express delivery recommended, usually called as DDU service;

≤500kg,Air shipping recommended, usually called as CIF service;

>500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;

For high value products, please select air shipping and express delivery for safety.

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Company Profile

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Our Advantages

1. Rich experience: Our company is a professional production leading factory in China in pharmaceutical area of many years. 


2. Top quality: High quality guaranteed, once any problem is found, the package would be reshipped for you .


3. Security Shipping: Shipping by express (FedEx,UPS,DHL,EMS), by air. The most professional forwarder would be 

recommanded for you.


4. Fast delivery: We have stock, so we can delivery quickly once payment is received.


5. Quality service: We will give you warm after-sale service,if any question we will reply you within 24 hours.


6. Competitive prices: A discount would be given when you make a large order.

FAQ

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Company Profile Introduction

Hebei Yanxi Chemical Co. LTD., mainly produce the Carbomer940/980/u21 and lead acetate and lead oxide, lead stearate, lead salt, at the same time operating organic intermediates, surfactants, Food additive,inorganic salt, plant extracts, cosmetics raw material, etc., through long-term development, hebei said bush chemical co., LTD. In hebei province has become a collection of r &d, production, sales in the integration of high-tech enterprises.

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Peter Lee
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