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Aliphatic and alicyclic building blocks

Triallyl phosphite

Also known as Phosphorous acid, tri-2-propen-1-yl ester, Phosphorous acid, tri-2-propenyl ester, Allyl phosphite, (C3H5O)3P

CAS 102-84-1Formula C9H15O3PMolar mass 202.19 g/molEC 203-060-8
GHS signal word: Danger. Pictograms: Acute toxicity (severe) 1 supplier listed
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Triallyl phosphite chemical structure, C9H15O3P, CAS 102-84-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
102-84-1
Formula
C9H15O3P
Molar mass
202.19 g/mol
EC number
203-060-8
HS code
292029
Category
Aliphatic and alicyclic building blocks

What is Triallyl phosphite?

Plain description, key identifiers and synonyms

Triallyl phosphite is a chemical substance with the molecular formula C9H15O3P and a molar mass of 202.19 g/mol. Its CAS registry number is 102-84-1. The IUPAC name is tris(prop-2-enyl) phosphite.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
tris(prop-2-enyl) phosphite
CAS number
102-84-1 CAS number cross-checked
EC number
203-060-8
Molecular formula
C9H15O3P
UNII
ZJ3PN55SHG
MDL number
MFCD00014948
InChIKey
KJWHEZXBZQXVSA-UHFFFAOYSA-N
InChI
InChI=1S/C9H15O3P/c1-4-7-10-13(11-8-5-2)12-9-6-3/h4-6H,1-3,7-9H2
SMILES (canonical and isomeric)
C=CCOP(OCC=C)OCC=C

Synonyms

  • Phosphorous acid, tri-2-propen-1-yl ester
  • Phosphorous acid, tri-2-propenyl ester
  • Allyl phosphite, (C3H5O)3P
  • Allyl phosphite (6CI,7CI)
  • Allyl phosphite
  • Triallylphosphite
  • Triallyloxyphosphine
  • tris(prop-2-enyl) phosphite
  • Phosphorous acid, triallyl ester
  • tris(prop-2-en-1-yl) phosphite
  • triprop-2-enyloxyphosphine
  • P(OCH2CH=CH2)3
  • Tri(prop-2-en-1-yl) phosphite

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
202.19 g/molcalc.
Exact mass
202.0759 Dacalc.
LogP (octanol/water)
2.82calc.
Topological polar surface area
27.69 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
9calc.
Heavy atoms
13calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.33calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS06: Acute toxicity (severe)
Acute toxicity (severe)

Hazard statements

  • H301Toxic if swallowed.
  • H312Harmful in contact with skin.
Precautionary statements (11)
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P302 + P352If on skin: Wash with plenty of water.
  • P317Get medical help.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Triallyl phosphite suppliers

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Where suppliers are based

1 supplier in 1 country

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Triallyl phosphite price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Inactive in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Triallyl phosphite is traded under.

HS 2920.29Indicative HS code

Phosphite esters and their salts, their halogenated, sulphonated, nitrated or nitrosated…

World exports in 2024
$437M
+9.3% vs 2023, imports $367M
2019 to 2024
Top exporters
  1. China26.4%
  2. South Korea19.9%
  3. Germany12.8%
Top importers
  1. China10.9%
  2. Germany9.3%
  3. Switzerland * partner reported7.7%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Triallyl phosphite is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Triallyl phosphite, based on the data on this page

Is Triallyl phosphite hazardous?

Triallyl phosphite carries the GHS signal word "Danger". Main hazards: toxic if swallowed, harmful in contact with skin. This summary is not an SDS, always read the supplier safety data sheet.

Guides for buyers

Practical guides that help when you source, ship or handle Triallyl phosphite

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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