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5,5-Dimethyl-1,3-cyclohexanedione

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Origin: China

Cas No: 126-81-8

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

Quick Details

CAS No.:: 126-81-8

Other Names:: Methone

MF:: C8H12O2

EINECS No.:: 126-81-8

Place of Origin:: China

Type:: Agrochemical Intermediates, Dyestuff Intermediates, Flavor & Fragrance Intermediates, Pharmaceutical Intermediates, Syntheses Material Intermediates

Purity:: ≥99%

Brand Name:: FinerChem

Model Number:: 126-81-8

Application:: Pharmaceutical intermediates

Appearance:: White to off-white crystalline solid

Product name:: Dimedone

CAS:: 126-81-8

Assay:: 99.0 %min

Molecular Weight:: 140.18

Packaging&Delivery

Packaging Details: Aluminium foil bag for within 10kg, 25kg/Fiber drum, 25kg/kraft bag

Port: SHANGHAI, QINGDAO , BEIJING, SHENZHEN , DALIAN

Lead Time:

Quantity(Kilograms)	1 - 500	>500
Est. Time(days)	4	To be negotiated

Products Description

Product Name	Dimedone
CAS No.	126-81-8
Appearance	White to off-white crystalline solid
Assay	≥99%
Capacity	2000mt/year
Min.packing	1gram
Application	Pharmaceutical intermediates
Standard	Export
Brand	Finerchem
More information	Synonyms: Methone 5,5-Dimethyl-1,3-cyclohexanedione Molecular Formula: C8H12O2 Molecular Weight: 140.18 CAS Registry Number: 126-81-8 EINECS: 204-804-4 Melting point: 147-150 ºC Water solubility: 0.416 g/100 mL (25 ºC)

Property

CAS No.: 126-81-8 Formula: C8H12O2 Molecular Weight: 140.18000

Description

Dimedone is a cyclic diketone used in organic chemistry to determine whether a compound contains an aldehyde group. Cyclohexanediones in general can be used as catalysts in the formation of transition-metal complexes. Other uses include applications in colorimetry, crystallography, luminescence and spectrophotometric analysis. It can also be used for chemistry involving organic compounds of low electrical resistance.

Basic Info

Chemical Name	5,5-Dimethyl-1,3-cyclohexanedione
Synonyms	5,5-Dimethylcyclohexane-1,3-dione; 5,5-Dimethyldihydroresorcinol; 1,3-Cyclohexanedione, 5,5-dimethyl-; Dimedone,Methone;
CAS No.	126-81-8
Molecular Formula	C8H12O2
Molecular Weight	140.18000
PSA	34.14000
LogP	1.33470

Properties

Appearance & Physical State	yellow crystals
Density	1.016 g/cm3
Boiling Point	233.7ºC at 760 mmHg
Melting Point	147-150ºC
Flash Point	STABILITY
Refractive Index	1.49
Water Solubility	0.416 g/100 mL (25 ºC)
Stability	Stable, but may be light sensitive. Incompatible with strong oxidizing agents.
Storage Condition	2-8ºC
Vapor Pressure	0.0042mmHg at 25°C

Safety Info

RTECS	GV0345000
Safety Statements	S24/25
HS Code	29142900
WGK Germany	2
Risk Statements	R36/37/38
Hazard Codes	Xi

Synthesis Route

2-benzoyl-5,5-dimethylcyclohexane-1,3-dione+ethylenediamine→2-Phenyl-2-imidazoline+5,5-Dimethyl-1,3-cyclohexanedione
triphenylbismuthonio-4,4-dimethyl-2,6-dioxocyclohexane-1-ide+Phenylacetylene→4(5H)-Benzofuranone, 6,7-dihydro-6,6-dimethyl-2-phenyl-+Triphenylbismuth
2-[(2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohexen-1-yl)nona-2,4,6,8-tetraenylidene]-5,5-dimethylcyclohexane-1,3-dione→all-trans-retinal+5,5-Dimethyl-1,3-cyclohexanedione

Precursor

5,5-dimethyl-3-((3-methylcyclohexyl)oxy)cyclohex-2-en-1-one
3-(benzyloxy)-5,5-dimethylcyclohex-2-enone
3-ethoxy-5,5-dimethylcyclohex-2-en-1-one
3-allyloxy-5,5-dimethyl-cyclohex-2-enone

Downstream Product

3-(4-bromoanilino)-5,5-dimethylcyclohex-2-en-1-one
1,1,3-TRIMETHYLCYCLOHEXANE
ethyl 2-(5,5-dimethylcyclohex-2-en-1-yl)acetate
4,4-dimethyl-7,8-diphenylbicyclo[5.2.0]nonane-2,6,9-trione

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