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Phenoxy, 2,4-bis(1,1-dimethylethyl)-6-(trimethylsilyl)-, also known as 2,4-bis(tert-butyl)-6-(trimethylsilyl)phenol, is a chemical compound with the molecular formula C17H32OSi. It is a white crystalline solid that is soluble in organic solvents. Phenoxy, 2,4-bis(1,1-dimethylethyl)-6-(trimethylsilyl)- is primarily used as a stabilizer and antioxidant in the polymer industry, particularly in the production of polyolefins such as polyethylene and polypropylene. It helps to prevent the degradation of these polymers by scavenging free radicals and stabilizing the polymer chains, thereby improving their thermal stability and resistance to oxidation. Additionally, it may also be used in the synthesis of other organic compounds due to its unique structure and reactivity.

5920-86-5

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Basic information
1. Product Name: Phenoxy, 2,4-bis(1,1-dimethylethyl)-6-(trimethylsilyl)-
2. Synonyms:
3. CAS NO:5920-86-5
4. Molecular Formula: C17H29OSi
5. Molecular Weight: 277.502
6. EINECS: N/A
7. Product Categories: N/A
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: N/A
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: Phenoxy, 2,4-bis(1,1-dimethylethyl)-6-(trimethylsilyl)-(CAS DataBase Reference)
10. NIST Chemistry Reference: Phenoxy, 2,4-bis(1,1-dimethylethyl)-6-(trimethylsilyl)-(5920-86-5)
11. EPA Substance Registry System: Phenoxy, 2,4-bis(1,1-dimethylethyl)-6-(trimethylsilyl)-(5920-86-5)
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: 5920-86-5(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 5920-86-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,9,2 and 0 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 5920-86:
(6*5)+(5*9)+(4*2)+(3*0)+(2*8)+(1*6)=105
105 % 10 = 5
So 5920-86-5 is a valid CAS Registry Number.

5920-86-5SDS

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	4.6-Di-tert.-butyl-2-trimethylsilylphenoxyradikal

1.2 Other means of identification

Product number	-
Other names	2,4-Di-tert.-butyl-6-trimethylsilyl-phenoxyl

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:5920-86-5 SDS

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