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1,4-Benzenediol, disodium salt, also known as disodium hydroquinone, is a white, crystalline powder that is soluble in water and commonly used as a reducing agent in photographic developer solutions. It has a pH level of around 10 and forms a stable solution when dissolved in water.

7664-46-2

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7664-46-2 Usage

Uses

Used in Photographic Industry:
1,4-Benzenediol, disodium salt is used as a reducing agent in photographic developer solutions for the processing of black and white films and papers.
Used in Hair Dye Industry:
1,4-Benzenediol, disodium salt is used in the production of hair dyes.
Used in Rubber Industry:
1,4-Benzenediol, disodium salt is utilized in the manufacture of rubber.
Used in Pharmaceutical Industry:
1,4-Benzenediol, disodium salt is employed in the production of pharmaceuticals.
It is important to handle 1,4-Benzenediol, disodium salt with care as it can be irritating to the skin, eyes, and respiratory system. Prolonged exposure to high levels of this chemical may cause adverse health effects and should be managed in accordance with safety guidelines.

Check Digit Verification of cas no

The CAS Registry Mumber 7664-46-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,6,6 and 4 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 7664-46:
(6*7)+(5*6)+(4*6)+(3*4)+(2*4)+(1*6)=122
122 % 10 = 2
So 7664-46-2 is a valid CAS Registry Number.

7664-46-2SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 20, 2017

Revision Date: Aug 20, 2017

1.Identification

1.1 GHS Product identifier

Product name disodium salt of hydroquinone

1.2 Other means of identification

Product number -
Other names hydroquinone, disodium-compound

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:7664-46-2 SDS

7664-46-2Upstream product

7664-46-2Relevant academic research and scientific papers

PROCESS FOR THE RECOVERY OF PHENOL AND BIPHENOLS

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Page 4, (2008/06/13)

A process is described for the recovery of phenol and biphenols from their homogeneous mixtures containing benzene, sulfolane and water, which is based on the use of an alkaline solution and benzene for the separation of biphenols from sulfolane, after removing the benzene, H2O and phenol contained in the reaction effluent. The process allows the recovery of phenol and biphenol by-products dissolved in sulfolane, directly obtaining the purified solvent containing the benzene necessary for the feeding to the reactor for the direct oxidation of benzene, as well as the biphenols dissolved in water and pure phenol.

Process for making pyridyloxyphenol compounds

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, (2008/06/13)

Process for making pyridyloxyphenol by reacting under essentially anhydrous conditions in the absence of oxygen and in a polar aprotic solvent, a 2-halopyridine with hydroquinone which has been from 75 to 100 percent neutralized to the sodium or potassium

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