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4,4'-Methylenediresorcinol is a chemical compound with the molecular formula C14H12O2. It is a white crystalline solid that is soluble in organic solvents such as ethanol and acetone. 4,4'-Methylenediresorcinol is primarily used as a reagent in analytical chemistry for the detection of phenolic compounds, particularly in the presence of resorcinol. It works by forming a blue-colored complex with phenols, which can be used to quantify the amount of phenol present in a sample. The reaction is based on the formation of a charge-transfer complex between the phenol and the methylenediresorcinol, which shifts the absorption spectrum and results in a color change. This property makes it a valuable tool in various industries, including water treatment, food processing, and environmental monitoring, for assessing the presence and concentration of phenolic contaminants.

7583-20-2

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7583-20-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 7583-20-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,5,8 and 3 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 7583-20:
(6*7)+(5*5)+(4*8)+(3*3)+(2*2)+(1*0)=112
112 % 10 = 2
So 7583-20-2 is a valid CAS Registry Number.

7583-20-2SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 16, 2017

Revision Date: Aug 16, 2017

1.Identification

1.1 GHS Product identifier

Product name 2,2',4,4'-tetrahydroxydiphenylmethane

1.2 Other means of identification

Product number -
Other names 2.4.2'.4'-Tetraoxy-ditan

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:7583-20-2 SDS

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