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1,5-Pentanedione, 1,5-bis(2-hydroxyphenyl)-, also known as bis(2-hydroxyphenyl) pentanedione or simply 1,5-Bis(2-hydroxyphenyl)pentanedione, is an organic compound with the chemical formula C13H12O4. It is a white crystalline solid that is soluble in organic solvents such as ethanol and acetone. 1,5-Pentanedione, 1,5-bis(2-hydroxyphenyl)- is characterized by its symmetrical structure, featuring two hydroxyphenyl groups attached to a central pentanedione chain. It is commonly used as a reagent in various chemical analyses and synthesis processes, particularly in the determination of metal ions and the preparation of complex organic molecules. Due to its unique structure and properties, 1,5-Bis(2-hydroxyphenyl)pentanedione has applications in the fields of analytical chemistry, materials science, and pharmaceuticals.

4945-79-3

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4945-79-3 Usage

Molecular weight

192.21 g/mol

Appearance

Yellow liquid

Odor

Fruity

Functional groups

a. Two carbonyl groups (C=O)
b. Two phenyl groups (C6H5)
c. Two hydroxyl groups (OH)

Boiling point

146°C (294°F)

Melting point

-18°C (-0.4°F)

Density

1.168 g/cm3

Solubility

Soluble in water, ethanol, and acetone

Reactivity

Can undergo condensation, substitution, and addition reactions

Reactivity

May react with strong oxidizing agents, acids, and bases

Stability

Stable under normal conditions, but can decompose upon heating or exposure to strong oxidizing agents

Uses

a. Production of pharmaceuticals
b. Synthesis of pesticides
c. Flavoring agents in the food industry
d. Metal chelating agent in various applications
e. Precursor in the synthesis of other organic compounds

Toxicity

Can cause irritation to eyes, skin, and respiratory system

Flammability

Combustible liquid

Handling

Use proper safety equipment and follow safety guidelines to minimize risks

Environmental impact

Can be harmful to aquatic life and should be disposed of according to local regulations

Storage

Store in a cool, dry, and well-ventilated area, away from heat, sparks, and open flames

Regulatory information

May be subject to specific regulations depending on the country or region, such as the European Union's REACH regulation or the United States' TSCA regulation.

Check Digit Verification of cas no

The CAS Registry Mumber 4945-79-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,9,4 and 5 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 4945-79:
(6*4)+(5*9)+(4*4)+(3*5)+(2*7)+(1*9)=123
123 % 10 = 3
So 4945-79-3 is a valid CAS Registry Number.

4945-79-3Relevant academic research and scientific papers

Unique tripodal chiral tertiary amine, 2,6-trans-1,2,6-trisubstituted piperidine with pyridine and bis(phenol) donor groups: Its stereoselective coordination to titanium(IV) ion

Okamatsu, Tohru,Irie, Ryo,Katsuki, Tsutomu

, p. 645 - 653 (2007)

A new optically active functionalized tertiary amine, (2R,6R)-2,6-bis(2-hydroxyphenyl)-1-(2-pyridylmethyl)piperidine {(R,R)-1}, was synthesized and its complexation behavior as a tripodal ligand was elucidated with titanium(IV) ion. Protonolysis of Ti(OPr

Synthesis and resolution of a new chiral C2-symmetric bisphenol: Trans-1,2-bis(2-hydroxyphenyl)cyclopentane

Whitesell, James K.,Apodaca, Richard

, p. 2589 - 2592 (2007/10/03)

The title compound was prepared in six steps from dicumarol. Subsequent resolution with O-methylmandelic acid gave either enantiomer in ≤98% ee.

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