Antioxidant 626 Powder Cas Number 26741-53-7 Molecular Weight 604
Price:
Negotiation
MOQ:
1 set
Delivery Time:
7-30 working days
Brand:
Keyou
Product Description
Antioxidants 626 CAS 26741-53-7
Description
626 is a high-performance organophosphite antioxidant that is specially designed for demanding applications where color stability is required. 626 is a secondary antioxidant with one of the market's highest phosphorous content, providing improved protection, reduced loading rate, and lower overall cost.It is one of the highest phosphorous content secondary antioxidants in the market, which provides improved protection, reduced loading rate, and lower overall cost. This phosphite antioxidant is available in powder and granular
● Chinese chemical name: Bis(2,4-di-tert-butylphenyl)-pentaerythritol diphosphite
● English name: Bis-(2,4-di-tert-butyl-pheny)-phosphiterythritol diphosphite
● Foreign similar product names: Antioxidant 626, Antioxidant 126
● CAS NO.: 26741-53-7
● Structural formula:
● Molecular weight: 604
● Molecular formula: C₃3H₅oO₆P₂
● Quality standard: HG/T 3974-2007
| Controlled items | Specifications |
| Appearance | White crystalline powder |
| Melting point range (℃) | 170-180 |
| Free 2.4-di-tert-butyl (%) | ≤1.0 |
| Volatile matter (%) | ≤1.0 |
| Acid value mg KOH/g | ≤1.0 |
| Effective content % | ≥95 |
Product properties: Appearance is white crystalline powder or granules; melting range 160-180℃; flash point 168℃; ignition point 421℃; bulk density 0.43g/mL; dust explosion concentration lower limit 0.12Kg/m3, explosive index 0.37; easily soluble in organic solvents such as toluene and dichloromethane, slightly soluble in alcohols, insoluble in water.
● Use: This product is a high-performance solid organic phosphite antioxidant, which has a good protective effect on the color of polymers and is superior to other phosphites. It is generally not used alone, but is often used in combination with phenolic main antioxidants such as antioxidant 1010 to improve the thermal stability of polymer processing. This product is widely used in PE, PP, PS, polyamide, polycarbonate, ABS and other polymer materials after compounding with phenolic antioxidants.
● Storage: This product has poor hydrolysis resistance and should be protected from moisture and heat.
● Packaging: Carton lined with plastic bag, net weight of each box is 25KG.
● Reference dosage: 0.1-0.3% (based on resin as 100)
Product Catalog
| Product Name | CAS NO | Application characteristics |
| Antioxidant 1098 | 23128-74-7 | Used as a stabilizer for polyamide injection moldings, fibers and films |
| Antioxidant 168 | 31570-04-4 | Used to protect polymers exposed to oxidative environments |
| Antioxidant U-5068L | / | Does not affect hydrolysis resistance |
| Antioxidant U-5068 | / | Excellent color and physical property control |
| Antioxidant 610, 610V | / | Suitable for transparent food packaging |
| Antioxidant 608 | 154862-43-8 | High-temperature processing plastics |
| Antioxidant 420 | 143925-92-2 | Automotive thermoplastic polyolefins |
| Antioxidant 1010 | 6683-19-8 | General plastics, engineering plastics, synthetic rubber, fibers, hot melt adhesives, resins, oils, inks. |
| Antioxidant 1076 | 2082-79-3 | Used as a phenolic antioxidant for polyolefins, polyvinyl chloride, ABS resins, rubber, and petroleum products |
| Antioxidant 626 | 26741-53-7 | Good protection for the color of polymers |
| Antioxidant 215 | / | Outstanding processing stability for polyolefins and long-term protection for products |
| Antioxidant 225 | / | Outstanding processing stability for polyolefins and long-term protection for products |
| Antioxidant 501 | / | / |
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Company
Guangdong Keyou Materials Technology Co., Ltd.
Location
Room 202, No. 902, Xingnan Road, Nancun Town, Panyu District, Guangzhou
Contact Person
Jiang