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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 76413Generated: October 26, 2026

Octyl phosphite

TRIOCTYL PHOSPHITE · tri-n-octylphosphite · HOSPHOROUSACIDTRIOCTYLESTER · Trioctyl Phosphite (mixture) · TrioctylPhosphite(mixture)>Phosphorous Acid TrioCLyl Ester · PHOSPHOROUS ACID TRIOCTYL ESTER · phosphorousacidtrioctylester(mixture)

https://huagongshe.com/en/chemical/76413

Octyl phosphite molecular structure

Identifiers & Physical Properties

CAS No.3028-88-4
Molecular formulaC24H51O3P
Average molar mass418.6 g/mol
Monoisotopic mass418.35758248 g/mol
SMILESCCCCCCCCOP(OCCCCCCCC)OCCCCCCCC
InChIKeyQOQNJVLFFRMJTQ-UHFFFAOYSA-N
PubChem CID76413
EC No.221-194-5
DTXSIDDTXSID20184371

Chemical & Physical Properties

XLogP10.3
Topological polar surface area27.7
Hydrogen bond donors0
Hydrogen bond acceptors3
Rotatable bonds24
Heavy atoms28
Formal charge0
Complexity234
Boiling point212-214 °C(Press: 2 Torr)
Density0,89 g/cm3
Refractive index1.45
Flash point182 °C
Physical stateclear liquid
ColorColorless to Almost colorless
CAS DataBase Reference3028-88-4
GHS pictogramGHS07
Signal wordWarning
GHS hazard statementsH315-H319
GHS precautionary statementsP264-P280-P302+P352-P321-P332+P313-P362-P264-P280-P305+P351+P338-P337+P313P
Risk statements (R)36/37/38
Safety statements (S)26-36/37/39
RTECS numberTH1450000
Customs code2920.90.5100

Safety & Regulations

GHS classificationWarningH315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]P264, P264+P265, P280, P302+P352, P305+P351+P338, P321, P332+P317, P337+P317, and P362+P364 (click each P-code to see the statement)The GHS information provided by 1 company from 1 notification to the ECHA C&L Inventory.
Hazard Classes and CategoriesSkin Irrit. 2 (100%)Eye Irrit. 2 (100%)
RTECS numberTH1450000
Customs code2920.90.5100
Risk statements (R)36/37/38
Signal wordWarning
GHS pictogramGHS07
Safety statements (S)26-36/37/39
GHS hazard statementsH315-H319
GHS precautionary statementsP264-P280-P302+P352-P321-P332+P313-P362-P264-P280-P305+P351+P338-P337+P313P