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9006-03-5

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9006-03-5 Usage

Chemical Properties

Chlorinated rubber is typically prepared by treating a solution of masticated natural rubber in chloroform or carbon tetrachloride with chlorine at 80-100°C until sampling indicates the product has a chlorine content of about 65%. During this time, hydrogen chloride is evolved. After the passage of chlorine has been stopped, the solution is refluxed until the evolution of hydrogen chloride ceases; this results in a product of good stability. The chlorinated rubber is then isolated by precipitation with methanol.

Preparation

The reaction of natural rubber and chlorine is complex and possibly involves the following sequence:

Definition

An elastomer (natural rubber or a polyolefin) to which 65% of chlorine has been added to give a solid, film-forming resin. White, amorphous powder available in viscosity grades from 5 to 125 c P, the figures indicating vis- cosity of a 20% solution in tol

Hazard

Do not dry-mill chlorinated rubber with zinc oxide; mixture reacts violently at 216C. Do not use in baked enamels.

Check Digit Verification of cas no

The CAS Registry Mumber 9006-03-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 9,0,0 and 6 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 9006-03:
(6*9)+(5*0)+(4*0)+(3*6)+(2*0)+(1*3)=75
75 % 10 = 5
So 9006-03-5 is a valid CAS Registry Number.

9006-03-5Upstream product

9006-03-5Downstream Products

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