26523-78-4

Name Tris(nonylphenyl) phosphite
CAS 26523-78-4
EINECS(EC#) 247-759-6
Molecular Formula C45H69O3P
MDL Number MFCD00015301
Molecular Weight 689
MOL File 26523-78-4.mol
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Chemical Properties

Boiling point  >360 °C(lit.)
density  0.99 g/mL at 25 °C(lit.)
refractive index  n20/D 1.528(lit.)
Fp  >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
Cosmetics Ingredients Functions ANTIOXIDANT
InChIKey WGKLOLBTFWFKOD-UHFFFAOYSA-N
SMILES P(OC1=CC=CC=C1CCCCCCCCC)(OC1C=CC=CC=1CCCCCCCCC)OC1=CC=CC=C1CCCCCCCCC
Uses
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.
CAS DataBase Reference 26523-78-4(CAS DataBase Reference)
EPA Substance Registry System 26523-78-4(EPA Substance)

Safety Data

Symbol(GHS)  Corrosion (GHS05)Exclamation Mark (GHS07)Health Hazard (GHS08)Environment (GHS09)
GHS05,GHS07,GHS08,GHS09
Signal word  Danger
Hazard statements  H315-H317-H318-H361fd-H410
Precautionary statements  P201-P273-P280-P302+P352-P305+P351+P338-P308+P313
Hazard Codes  Xi,N
Risk Statements 
Safety Statements 
RIDADR  UN3278
WGK Germany  2
RTECS  RB2451000
TSCA  Yes
HazardClass  6.1
PackingGroup  III
Storage Class 10 - Combustible liquids
Hazard Classifications Aquatic Acute 1
Aquatic Chronic 1
Eye Dam. 1
Repr. 2
Skin Irrit. 2
Skin Sens. 1
Hazardous Substances Data 26523-78-4(Hazardous Substances Data)

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