SandhyaGroup

Durability starts here.

High-performance stabilisers that extend the lifespan of polymers and other materials. They protect against thermal and oxidative degradation, ensuring durability and efficiency. Formulated for precision, consistency, and reliable industrial outcomes.

Technical Name Tri Phenyl Phosphite (TPP)
Brand Name --
Category Phosphorus Based Anti-oxidants
CAS No. 101-02-0
About Information TPP is a clear liquid with excellent hydrolytic stability, high phosphorus-based secondary antioxidant and enhances color stability and processing performance in polymers.
Synonym (S) Trichlorophosphine oxide
Technical Name Tris (Nonyl Phenyl) Phosphite (TNPP)
Brand Name --
Category Phosphorus Based Anti-oxidants
CAS No. 26523-78-4
About Information TNPP is liquid offering excellent processing stability, strong hydrolysis resistance and good compatibility with plasticizers and resins.
Synonym (S) --
Technical Name Diphenyl Phosphite (DPP)
Brand Name --
Category Phosphorus Based Anti-oxidants
CAS No. 4712-55-4
About Information DPP is a colourless liquid with moderate volatility and good resin compatibility, functioning as a highly reactive hydroperoxide scavenger to enhance color and thermal stability.
Synonym (S) --
Technical Name Diphenyl Isodecyl Phosphite (DPDP)
Brand Name --
Category Phosphorus Based Anti-oxidants
CAS No. 26544-23-0
About Information DPP is a colorless to pale yellow liquid used as a secondary antioxidant, providing effective hydroperoxide scavenging and improved color and thermal stability in polymer processing, especially in PVC and polyolefins
Synonym (S) --
Technical Name Diisodecyl Phenyl Phosphite (DDPP)
Brand Name --
Category Phosphorus Based Anti-oxidants
CAS No. 25550-98-5
About Information DDPP is a clear liquid with good hydrolytic stability, used as a secondary antioxidant to improve color and thermal stability during polymer processing, especially in PVC and polyolefins.
Synonym (S) --
Technical Name Diphenyl Isooctyl Phosphite (DPIOP)
Brand Name --
Category Phosphorus Based Anti-oxidants
CAS No. 26401-27-4
About Information DPIOP is a clear liquid with good hydrolytic stability and resin compatibility, used as a secondary antioxidant to scavenge hydroperoxides and improve color and thermal stability in polymer processing.
Synonym (S) --
Technical Name 2-Ethyl Hexyl Diphenyl Phosphite (2EHDP)
Brand Name --
Category Phosphorus Based Anti-oxidants
CAS No. 15647-08-2
About Information 2-EHDP is a clear to pale yellow phosphite ester with good hydrolytic stability and resin compatibility, used as a secondary antioxidant and PVC stabilizer to decompose hydroperoxides and improve melt color and thermal stability during processing.
Synonym (S) --
Technical Name Tris Lauryl Phosphite (TLP)
Brand Name --
Category Phosphorus Based Anti-oxidants
CAS No. 25448-25-3
About Information TDP is a fully aliphatic, high–molecular weight phosphite and excellent plasticizer compatibility, specifically used in PVC to decompose processing hydroperoxides and maintain initial color and melt stability during high-temperature extrusion.
Synonym (S) --
Technical Name Tris (tridecyl) Phosphite (TTDP)
Brand Name --
Category Phosphorus Based Anti-oxidants
CAS No. 77745-66-5
About Information TTDP is a high–molecular weight, fully aliphatic phosphite with ultra-low volatility and excellent hydrolytic stability, specifically used in rigid and flexible PVC to suppress fuming, decompose processing-generated hydroperoxides and maintain initial color and melt stability during high-temperature extrusion.
Synonym (S) --
Technical Name Tris Lauryl Phosphite (TLP)
Brand Name --
Category Phosphorus Based Anti-oxidants
CAS No. 3076-63-9
About Information TLP is a long-chain aliphatic phosphite ester with good hydrolytic stability, and excellent compatibility with plasticizers, specifically used in PVC and polyolefins as a secondary antioxidant to decompose hydroperoxides, prevent discoloration and improve melt stability during high-temperature processing.
Synonym (S) --
Technical Name Diphenyl Tridecyl Phosphite (DPTDP)
Brand Name --
Category Phosphorus Based Anti-oxidants
CAS No. 60628-17-3
About Information DPTDP is a high–molecular weight phosphite ester with excellent hydrolytic stability, used as a secondary antioxidant in PVC and engineering plastics to enhance melt color retention and long-term thermal stability during high-temperature processing.
Synonym (S) --
Technical Name Disotridecyl Phenyl Phosphite (DTDPP)
Brand Name --
Category Phosphorus Based Anti-oxidants
CAS No. 67874-37-7
About Information DTDPP is a high–molecular weightphosphite ester with excellent hydrolytic stability, used as a secondary antioxidant in PVC and polyolefins to improve melt processing stability, color retention and long-term thermal performance.
Synonym (S) --
Technical Name Poly (Dipropylene Glycol) Phenyl Phosphite (DHOP)
Brand Name --
Category Phosphorus Based Anti-oxidants
CAS No. 80584-86-7
About Information DHOP is a polymeric phosphite ester with high phosphorus content, very low volatility and excellent hydrolytic stability, specifically used in PVC, polyolefins and engineering plastics as a secondary antioxidant to decompose hydroperoxides, improve initial melt color and prevent thermal degradation during high-temperature processing.
Synonym (S) --
Technical Name 4, 4-Isopropylidenediphenol C12-C15 Linear Alcohol Phosphite
Brand Name --
Category Phosphorus Based Anti-oxidants
CAS No. 96152-48-6
About Information THOP is a high–molecular weight phosphite with excellent hydrolytic stability, used as a secondary antioxidant in PVC, polyolefins and engineering plastics to enhance melt processing stability, color retention and long-term thermal performance.
Synonym (S) --
Technical Name Distearyl Pentaerythritol Diphosphite (DPEDP)
Brand Name --
Category Phosphorus Based Anti-oxidants
CAS No. 3806-34-6
About Information DPEDP is a sterically hindered, high-molecular-weight diphosphite with extremely low volatility and outstanding hydrolytic stability, specifically used in polyolefins (PE, PP) and engineering plastics to decompose hydroperoxides, protect primary antioxidants and ensure excellent melt flow stability and long-term thermal aging resistance during high-temperature processing.
Synonym (S) --
Technical Name Tetraphenyl Dipropylene Glycol Diphosphite (THOP)
Brand Name --
Category Phosphorus Based Anti-oxidants
CAS No. 80584-85-6
About Information THOP is an aromatic diphosphite with high phosphorus content, good hydrolytic stability, and low volatility, used as a secondary antioxidant in PVC, polyolefins and engineering plastics to efficiently decompose hydroperoxides and improve melt color and thermal stability during high-temperature processing.
Synonym (S) --
Technical Name Dibutyl Hydrogen Phosphite (DBHP)
Brand Name --
Category Phosphorus Based Anti-oxidants
CAS No. 1809-19-4
About Information DBHP is a low–molecular weight, clear liquid with high reactivity and moderate volatility, primarily used as a chemical intermediate and chain-transfer / reducing agent in resin and polymer synthesis rather than as a long-term polymer stabilizer.
Synonym (S) --
Technical Name Diisooctyl Phenyl Phosphite (DIOP)
Brand Name --
Category Phosphorus Based Anti-oxidants
CAS No. 26544-22-9
About Information DIOP is a branched-alkyl aromatic phosphite with controlled phosphorus content and low extractability, designed for rigid and flexible PVC, ABS, and polyolefins to rapidly decompose hydroperoxides formed during melt processing, minimize plate-out, protect phenolic antioxidants, and ensure excellent initial color and thermal stability under high-shear extrusion and molding conditions.
Synonym (S) --
Technical Name Tri Isooctyl Phosphite (TIOP)
Brand Name --
Category Phosphorus Based Anti-oxidants
CAS No. 25103-12-2
About Information TIOP is a branched C8 aliphatic phosphite with ultra-low volatility and low extractability, engineered for flexible and rigid PVC to neutralize HCl-induced hydroperoxides during melt processing, minimize plate-out and fuming, protect Ca-Zn stabilizer systems and maintain excellent initial color under high-shear extrusion and injection molding conditions.
Synonym (S) --
Scroll to Top