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Octadecaneperoxoic acid, 1,1-dimethylethyl ester, also known as 1,1-dimethylethyl peroxide, is a chemical compound with the molecular formula C21H42O3. It is an organic peroxide, which is a type of compound containing an oxygen-oxygen single bond. This specific compound is an ester derived from octadecaneperoxoic acid and 1,1-dimethylethyl (also known as tert-butyl). It is a colorless liquid with a density of 0.86 g/cm3 and a melting point of -40°C. Octadecaneperoxoic acid, 1,1-dimethylethyl ester is used as a crosslinking agent in the production of polyethylene, particularly in the manufacturing of low-density polyethylene (LDPE) and linear low-density polyethylene (LLDPE). It is also employed as a curing agent for unsaturated polyester resins and as a polymerization initiator. Due to its reactive nature, it is classified as a hazardous substance and requires proper handling and storage to prevent accidents.

2123-89-9

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2123-89-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2123-89-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,1,2 and 3 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 2123-89:
(6*2)+(5*1)+(4*2)+(3*3)+(2*8)+(1*9)=59
59 % 10 = 9
So 2123-89-9 is a valid CAS Registry Number.

2123-89-9SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 14, 2017

Revision Date: Aug 14, 2017

1.Identification

1.1 GHS Product identifier

Product name tert-butyl octadecaneperoxoate

1.2 Other means of identification

Product number -
Other names Octadecaneperoxoic acid,1,1-dimethylethyl ester

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 -
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More Details:2123-89-9 SDS

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