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Emulsifiers

Oleyl phosphate

Also known as Phoslex A 18D, Nostaphat KO 300N, Oleyl alcohol phosphate

CAS 37310-83-1Formula C18H39O5PMolar mass 366.48 g/molEC 253-455-4
GHS signal word: Danger. Pictograms: Corrosive, Harmful or irritant 5 suppliers listed
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Oleyl phosphate chemical structure, C18H39O5P, CAS 37310-83-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
37310-83-1
Formula
C18H39O5P
Molar mass
366.48 g/mol
Physical form
Liquid
HS code
290529
Category
Emulsifiers
Illustrative photo, assorted laboratory chemical bottles and jars on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Oleyl phosphate?

Plain description, key identifiers and synonyms

Oleyl phosphate is a chemical substance with the molecular formula C18H39O5P and a molar mass of 366.48 g/mol. Its CAS registry number is 37310-83-1. The IUPAC name is (Z)-octadec-9-en-1-ol, phosphoric acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(Z)-octadec-9-en-1-ol, phosphoric acid
CAS number
37310-83-1 CAS number cross-checked
EC number
253-455-4
Molecular formula
C18H39O5P
UNII
0LI104WP6Z
INCI name
OLEYL PHOSPHATE
InChIKey
JGVOASSDYQIBIF-KVVVOXFISA-N
InChI
InChI=1S/C18H36O.H3O4P/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19;1-5(2,3)4/h9-10,19H,2-8,11-18H2,1H3;(H3,1,2,3,4)/b10-9-;
Canonical SMILES
CCCCCCCCC=CCCCCCCCCO.O=P(O)(O)O
Isomeric SMILES
CCCCCCCC/C=C\CCCCCCCCO.OP(=O)(O)O

Synonyms

  • Phoslex A 18D
  • Nostaphat KO 300N
  • Oleyl alcohol phosphate
  • 9-Octadecen-1-ol, (9Z)-, phosphate
  • 9-Octadecen-1-ol, (Z)-, phosphate
  • OLAP
  • Oleyl ether phosphate (neutral)
  • (9Z)-9-Octadecen-1-ol - phosphoric acid (1:1)
  • Phosphoric acid--(9Z)-octadec-9-en-1-ol (1/1)

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

Physical form
Liquidexp.

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
366.48 g/molcalc.
Exact mass
366.2535 Dacalc.
LogP (octanol/water)
5.09calc.
Topological polar surface area
97.99 Ųcalc.
Hydrogen bond donors
4calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
15calc.
Heavy atoms
24calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.89calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
2calc.
Lipinski rule of five
Passes (1 violation)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
GHS05: Corrosive
Corrosive
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H315Causes skin irritation.
  • H318Causes serious eye damage.
Precautionary statements (9)
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P317Get medical help.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.

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

Oleyl phosphate suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 5 suppliers
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Where suppliers are based

5 suppliers in 2 countries

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Oleyl phosphate price

Indicative price range per kg from live supplier offers

No published prices right now

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Uses and applications

What the substance is used for, by industry and function

Industrial uses: Lubricating agent.

Use classes: Cosmetics.

Cosmetic ingredient, INCI name OLEYL PHOSPHATE(surfactant - emulsifying, surfactant - cleansing)

Functional uses

  • Emulsifier
  • Surfactant (surface active agent)

Cosmetic functions

  • Surfactant - cleansing
  • Surfactant - emulsifying

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU cosmetic ingredient inventory

United States

  • TSCA inventory (USA)
    Status: Active 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 Oleyl phosphate is traded under.

HS 2905.29Indicative HS code

Unsaturated monohydric alcohols, other

World exports in 2024
$361M
−8.5% vs 2023, imports $367M
2019 to 2024
Top exporters
  1. China26.8%
  2. Japan20.6%
  3. India * partner reported11.6%
Top importers
  1. China15.7%
  2. United States14.7%
  3. Germany8.2%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about Oleyl phosphate, based on the data on this page

What is Oleyl phosphate?

Oleyl phosphate is a chemical substance with the molecular formula C18H39O5P and a molar mass of 366.48 g/mol. Its CAS registry number is 37310-83-1. The IUPAC name is (Z)-octadec-9-en-1-ol, phosphoric acid.

What is the CAS number of Oleyl phosphate?

The CAS registry number of Oleyl phosphate is 37310-83-1.

What is the molecular formula and weight of Oleyl phosphate?

The molecular formula of Oleyl phosphate is C18H39O5P and its molar mass is 366.48 g/mol.

What is Oleyl phosphate used for?

Industrial uses: Lubricating agent. Use classes: Cosmetics.

Is Oleyl phosphate hazardous?

Oleyl phosphate carries the GHS signal word "Danger". Main hazards: causes skin irritation, causes serious eye damage. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Oleyl phosphate?

Oleyl phosphate is usually classified under HS code 290529 (Unsaturated monohydric alcohols, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Oleyl phosphate?

CompoundList lists 5 suppliers of Oleyl phosphate in United States and Italy. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Oleyl phosphate?

Suppliers quote Oleyl phosphate on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Oleyl phosphate

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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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