Antioxidant SP (Styrenated Phenol) is a liquid hindered phenolic antioxidant and essential stabilizer utilized primarily as a non-staining protective agent in rubber and latex manufacturing. Widely recognized in the polymer sector as Antioxidant SP or Styrenated phenol mixture, this viscous amber liquid functions to inhibit oxidation caused by heat and flex fatigue without causing discoloration, making it vital for light-colored elastomers. We offer this versatile rubber additive with competitive factory pricing to support the production of adhesives, shoe soles, and white sidewalls. Our supply chain ensures reliable bulk supply availability and customized specifications, fully accompanied by MSDS, TDS, COA documentation for strict quality control and compliance.
Antioxidant SP (Styrenated Phenol) CAS 61788-44-1
- CAS: 61788-44-1
- Synonyms: Phenol, styrenated, AO-SP, Rubber Antioxidant SP, Mixed styrenated phenols, Poly(styrenated phenol)
- Einecs: 262-975-0
- Grade: Industrial grade 99%
- Package: 200kg iron drum or 50kg plastic drum packing
Product Description
Styrene-based phenol (Antioxidant SP), also known as antioxidant SP, CAS number 61788-44-1, EINECS accession number 262-975-0, chemical formula C30H30O, is a light yellow to amber viscous liquid。 Its density is 1.0±0.1 g/cm³, boiling point 256.4±19.0°C (760 mmHg), flash point 115.1±11.2°C, refractive index 1.634, vapor pressure 0.0±0.5 mmHg (25°C), storage conditions are 2-8°C, and customs code is 2907199090。 The substance is insoluble in water and gasoline, and soluble in organic solvents such as benzene, toluene, acetone, etc。
As a stabilizer of synthetic rubber and natural rubber, this chemical has a protective effect on aging such as heat oxygen, weather, and light deflection, and is suitable for styrene-butadiene rubber, butadiene rubber, polyolefins, polyoxymethylene and other materials。 Its application characteristics include easy dispersion, no discoloration, no pollution, and the common dosage is 0.5-2 parts。 Suppliers include Yuanye, Maclean, Ron and other companies, providing 5g-25g specification products with a purity of 95%-99%。
Nature description
Light yellow transparent viscous liquid, boiling point higher than 250 °C, flash point greater than 182 °C, insoluble in water and gasoline, soluble in benzene, toluene, acetone and aliphatic hydrocarbons, Trichloroethane and other organic solvents. toxic and low pollution.
Application of the product
Medium strength anti-aging agent. It has a good protective effect on aging such as heat oxygen, weather, and light deflection. It is suitable for Natural rubber、butadiene rubber、styrene-butadiene rubberand all kinds synthetic rubber。 Easy to disperse, no discoloration, no pollution, and easy to emulsify in water. The general dosage is 0.5~2 parts. This product is used in the plastic industry Polyolefins、Polyoxymethylene antioxidant. It is used as a stabilizer and anti-aging agent for synthetic rubber and natural rubber such as styrene-butadiene rubber.
FAQ - Technical & Supply Chain
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Q:
Does Antioxidant SP (Styrenated Phenol) refer to a single pure compound or a reaction mixture?
A: Antioxidant SP (Styrenated Phenol) is verified under CAS 61788-44-1 as a liquid reaction mixture containing mono-, di-, and tristyrenated phenols, distinguishing it from solid crystalline antioxidants like BHT to ensure superior dispersion and compatibility in liquid latex and adhesive systems. -
Q:
What is the primary advantage of Antioxidant SP (Styrenated Phenol) in light-colored rubber goods?
A: Antioxidant SP (Styrenated Phenol) is typically applied as a non-staining and non-discoloring antioxidant, making it the preferred choice for manufacturing white rubber products, flooring, and athletic shoes where preserving the visual color integrity of the material is critical.
Documents and Product Support
For product review and sourcing evaluation, supporting documents can be coordinated according to the product type, inquiry stage, and order requirements.
- COA for batch-based quality reference
- TDS for key physical and chemical information
- SDS / MSDS for handling, storage, and safety reference
- Packing information for sample, trial, and bulk orders
- Technical communication based on application and specification requirements
Information to Confirm Before Quotation
Clear sourcing information helps reduce specification mismatch and allows a more accurate quotation before sample or bulk order discussion.
- Product name and CAS number
- Application or intended end use
- Required purity, grade, or specification
- Sample quantity, trial order, or bulk demand
- Preferred packing form or net weight
- Destination country or port
- Required documents or compliance expectations
Packaging, Storage, and Handling Notes
Packaging form, storage conditions, shelf life, and shipment arrangements should be confirmed according to the product characteristics, package size, and destination requirements.
Before order confirmation, buyers are advised to review the corresponding product documents and confirm whether any special storage, labeling, or handling requirements apply.
Sample, Bulk Order and Repeat Supply Support
Support can be arranged for sample discussion, bulk supply planning, packaging confirmation, and routine sourcing communication based on the actual product and order requirements.
For repeat-use formulations or long-term procurement plans, buyers may discuss specification consistency, packaging preferences, delivery expectations, and document coordination in advance.
