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60548-89-2

5-Hydroxy-2-(1,2-dihydro-5-hydroxy-4-methoxy-7-methyl-1-oxonaphthalen-2-ylidene)-4-methoxy-7-methylnaphthalen-1(2H)-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

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  • 60548-89-2 Structure

  • Basic information

    1. Product Name: 5-Hydroxy-2-(1,2-dihydro-5-hydroxy-4-methoxy-7-methyl-1-oxonaphthalen-2-ylidene)-4-methoxy-7-methylnaphthalen-1(2H)-one
    2. Synonyms: 5-Hydroxy-2-(1,2-dihydro-5-hydroxy-4-methoxy-7-methyl-1-oxonaphthalen-2-ylidene)-4-methoxy-7-methylnaphthalen-1(2H)-one;Diosindigo B
    3. CAS NO:60548-89-2
    4. Molecular Formula: C24H20 O6
    5. Molecular Weight: 404.41
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 60548-89-2.mol
    9. Article Data: 2

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: N/A
    3. Flash Point: N/A
    4. Appearance: /
    5. Density: N/A
    6. Refractive Index: N/A
    7. Storage Temp.: N/A
    8. Solubility: N/A
    9. CAS DataBase Reference: 5-Hydroxy-2-(1,2-dihydro-5-hydroxy-4-methoxy-7-methyl-1-oxonaphthalen-2-ylidene)-4-methoxy-7-methylnaphthalen-1(2H)-one(CAS DataBase Reference)
    10. NIST Chemistry Reference: 5-Hydroxy-2-(1,2-dihydro-5-hydroxy-4-methoxy-7-methyl-1-oxonaphthalen-2-ylidene)-4-methoxy-7-methylnaphthalen-1(2H)-one(60548-89-2)
    11. EPA Substance Registry System: 5-Hydroxy-2-(1,2-dihydro-5-hydroxy-4-methoxy-7-methyl-1-oxonaphthalen-2-ylidene)-4-methoxy-7-methylnaphthalen-1(2H)-one(60548-89-2)

  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 60548-89-2(Hazardous Substances Data)

60548-89-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 60548-89-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,0,5,4 and 8 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 60548-89:
(7*6)+(6*0)+(5*5)+(4*4)+(3*8)+(2*8)+(1*9)=132
132 % 10 = 2
So 60548-89-2 is a valid CAS Registry Number.

60548-89-2SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name diosindigo B

1.2 Other means of identification

Product number -
Other names Diosindigo B

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:60548-89-2 SDS

60548-89-2Relevant articles and documents

Oxidative coupling of methoxynaphthylenediols

Maiti, Bhim C.,Musgrave, Oliver C.,Skoyles, Douglas

, p. 6568 - 6574 (2007/10/03)

The oxidative coupling of a mixture of 1-methoxy-7-methyl-4,5- naphthylenediol and 4-methoxy-7-methyl-1,5-naphthylenediol using lead(IV) oxide gives the symmetrical bisnaphthalene indigos diosindigo A and diosindigo B together with the corresponding unsymmetrical isomer. Oxidation of the first two by nitric acid gives the binaphthyldiquinones mamegakinone and biramentaceone, respectively; the third gives the unsymmetrical diquinone rotundiquinone. Similar oxidations of related naphthylenediols are described.

Dimeric Naphthoquinones, IV1). - Synthesis of Biramentaceone, Mamegakinone and Rotundiquinone

Laatsch, Hartmut

, p. 1321 - 1347 (2007/10/02)

Mamegakinone (8a), biramentaceone (12a), 3,3'-bijuglone (8b), 2,2-bijuglone (12b) and their methyl ethers were prepared by oxidative coupling of substituted 4-methoxy-1-naphthols; indigoids like 24 are intermediates.Cooxidation of the isomeric dimethoxy-1

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