What is Antioxidant 1010 AO-1010 CAS 6683-19-8?

Antioxidant 1010, also called AO-1010, is a sterically hindered phenolic primary antioxidant. Its chemical name is pentaerythritol tetrakis(3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate), CAS 6683-19-8.

Is Antioxidant 1010 the same as Irganox 1010?

Irganox 1010, Antioxidant 1010 and AO-1010 all refer to the same active chemistry under CAS 6683-19-8. Irganox is a commercial trade name, so the supplied grade should still be confirmed by specification, appearance and batch release data.

Can Antioxidant 1010 replace a phosphite co-stabiliser?

Not automatically. Antioxidant 1010 is a primary antioxidant that interrupts oxidation chains, while a phosphite such as Antioxidant 168 is a secondary antioxidant that decomposes hydroperoxides. The two are often combined to protect both melt processing and long-term aging.

Which Antioxidant 1010 specifications should polymer compounders confirm?

Confirm assay or purity, appearance, melting range, volatile content, ash, colour and any light-transmittance requirement for the application. The typical molecular formula is C73H108O12 and molecular weight is about 1177.63 g/mol, but acceptance limits should follow the offered grade.

Antioxidant 1010 (AO-1010) CAS 6683-19-8

Antioxidant 1010, commonly abbreviated AO-1010, CAS 6683-19-8, is a hindered phenolic primary antioxidant supplied as a white crystalline powder for polymer processing and stabilization. Confirm the required grade, then request a quotation with COA/TDS/SDS for bulk supply.

CAS: 6683-19-8
Synonyms: AO-1010; Pentaerythritol tetrakis(3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate)
Einecs: 229-722-6
Molecular Formula: C73H108O12
Grade: Industrial polymer-stabiliser grade
Package: 25 kg fibre drums with PE inner liners

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Product Description

Antioxidant 1010 (AO-1010) CAS 6683-19-8 is a sterically hindered phenolic primary antioxidant, with EC 229-722-6 and molecular formula C73H108O12.

Synonyms: AO-1010; Pentaerythritol tetrakis(3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate).

CAS: 6683-19-8.

Molecular formula: C73H108O12.

It has a molecular weight of about 1177.63 g/mol.

It is supplied as a white crystalline powder.

It is positioned as a hindered phenolic antioxidant for polymer processing and stabilization.

It is used in polyolefins, engineering plastics, elastomers, adhesives and tackifier resins.

It provides long-term thermal stabilization and protects the polymer against oxidative degradation during service life.

It interrupts oxidation chains as a primary antioxidant.

It is often combined with a phosphite co-stabilizer such as Antioxidant 168.

Irganox 1010, Antioxidant 1010 and AO-1010 all refer to the same active chemistry under CAS 6683-19-8.

Confirm assay or purity, appearance, melting range, volatile content, ash, colour, and light-transmittance requirement for the application.

Store in tightly closed containers in a cool, dry, well-ventilated area, away from moisture and direct sunlight.

Use suitable PPE when handling the powder to prevent dust exposure and skin or eye contact.

Confirm packaging suitable for the solid form and order quantity, and follow the current SDS.

Confirm grade, packaging, and specification as required.

The page is an RFQ entry point and does not state stock, price, MOQ, or fixed lead time.

For an RFQ, state the intended application, required grade, quantity, packaging, destination, and document needs.

FAQ - Technical & Supply Chain

Q:
What is Antioxidant 1010 AO-1010 CAS 6683-19-8?

A: Antioxidant 1010, also called AO-1010, is a sterically hindered phenolic primary antioxidant. Its chemical name is pentaerythritol tetrakis(3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate), CAS 6683-19-8.
Q:
Is Antioxidant 1010 the same as Irganox 1010?

A: Irganox 1010, Antioxidant 1010 and AO-1010 all refer to the same active chemistry under CAS 6683-19-8. Irganox is a commercial trade name, so the supplied grade should still be confirmed by specification, appearance and batch release data.
Q:
What is Antioxidant 1010 used for in polymer processing?

A: It is used as a primary hindered-phenolic antioxidant in polyolefins, engineering plastics, elastomers, adhesives and tackifier resins. It provides long-term thermal stabilization and helps protect the polymer against oxidative degradation during service life.
Q:
Can Antioxidant 1010 replace a phosphite co-stabiliser?

A: Not automatically. Antioxidant 1010 is a primary antioxidant that interrupts oxidation chains, while a phosphite such as Antioxidant 168 is a secondary antioxidant that decomposes hydroperoxides. The two are often combined to protect both melt processing and long-term aging.
Q:
Which Antioxidant 1010 specifications should polymer compounders confirm?

A: Confirm assay or purity, appearance, melting range, volatile content, ash, colour and any light-transmittance requirement for the application. The typical molecular formula is C73H108O12 and molecular weight is about 1177.63 g/mol, but acceptance limits should follow the offered grade.

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