Tris(nonylphenyl) phosphite
Synonym(s):Tri(monononylphenyl) phosphite
- CAS NO.:26523-78-4
- Empirical Formula: C45H69O3P
- Molecular Weight: 689
- MDL number: MFCD00015301
- EINECS: 247-759-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-12-18 14:07:02
What is Tris(nonylphenyl) phosphite?
Chemical properties
Light yellow transparent viscous liquid
The Uses of Tris(nonylphenyl) phosphite
Alkylphenols such as 4-nonylphenol (NP) and octylphenol (OP) can be generated by oxidation and subsequent hydrolysis of tris(nonylphenyl)phosphite (TNPP) used as additive in plastics. TNPP is used as a heat stabiliser in various polymeric food packaging materials such as styrenes, vinyl polymers, and rubber polyolefins. TNPP is also used to maintain the colour stability, processing stability, and performance integrity of the polymers. NP is used as a starting material in the manufacture of TNPP and so it may be present as an impurity as well as a hydrolysis product. Alkylphenols in food may also be occurred due to degradation of the most widely used non-ionic surfactants polyethoxylated nonylphenols (APEOs) which are cleaning agents in bottled manufacturing.
The Uses of Tris(nonylphenyl) phosphite
TNPP in combination with irganox is used to protect polyamide 6 (PA6) from oxidative degradation during the preparation of flame retardant nanocomposites. TNPP can be used as a stabilizer that prevents the molecular weight reduction and increases the tensile strength of the composite. It can also be used as a chain extender to improve the polymeric viscosity during the melt-blending of poly(hydroxybutyrate-co-hydroxyvalerate) based clay nanocomposites which find potential application as packaging materials.
General Description
Tris(nonylphenyl) phosphite (TNPP) is an antioxidant that is majorly used as a stabilizer to improve the performance of polyethylene by decomposing the hydroperoxides. It can also be used to enhance the thermal stability by extending the polymeric chains.
Properties of Tris(nonylphenyl) phosphite
Boiling point: | >360 °C(lit.) |
Density | 0.99 g/mL at 25 °C(lit.) |
refractive index | n |
Flash point: | >230 °F |
solubility | Benzene (Slightly), Chloroform (Slightly), Methanol (Slightly) |
form | Thick Oil |
color | Colourless |
Specific Gravity | 0.979~0.9870.990 |
Odor | mild odor |
Sensitive | Moisture Sensitive |
CAS DataBase Reference | 26523-78-4(CAS DataBase Reference) |
EPA Substance Registry System | Phenol, nonyl-, phosphite (3:1) (26523-78-4) |
Safety information for Tris(nonylphenyl) phosphite
Signal word | Danger |
Pictogram(s) |
Corrosion Corrosives GHS05 Exclamation Mark Irritant GHS07 Health Hazard GHS08 Environment GHS09 |
GHS Hazard Statements |
H315:Skin corrosion/irritation H317:Sensitisation, Skin H318:Serious eye damage/eye irritation H410:Hazardous to the aquatic environment, long-term hazard |
Precautionary Statement Codes |
P201:Obtain special instructions before use. P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P308+P313:IF exposed or concerned: Get medical advice/attention. |
Computed Descriptors for Tris(nonylphenyl) phosphite
InChIKey | WGKLOLBTFWFKOD-UHFFFAOYSA-N |
Tris(nonylphenyl) phosphite manufacturer
Adishank Chemicals Pvt Ltd
Goldstab Organics Pvt. Ltd.
Krishna Antioxidants Pvt. Ltd KAPL
Sandhya Group
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