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Aliphatic and alicyclic building blocks

AX 71

Also known as Phosphoric acid, octadecyl ester, octadecan-1-ol, phosphoric acid

CAS 39471-52-8Formula C18H41O5PMolar mass 368.50 g/molEC 254-466-7
GHS signal word: Danger. Pictograms: Corrosive, Harmful or irritant 5 suppliers listed
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AX 71 chemical structure, C18H41O5P, CAS 39471-52-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
39471-52-8
Formula
C18H41O5P
Molar mass
368.50 g/mol
Physical form
Solid
HS code
290517
Category
Aliphatic and alicyclic building blocks
Illustrative photo, drums, an IBC tote and sacks in a chemical warehouse in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is AX 71?

Plain description, key identifiers and synonyms

AX 71 is a chemical substance with the molecular formula C18H41O5P and a molar mass of 368.50 g/mol. Its CAS registry number is 39471-52-8. The IUPAC name is octadecan-1-ol, phosphoric acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
octadecan-1-ol, phosphoric acid
CAS number
39471-52-8
EC number
254-466-7
Molecular formula
C18H41O5P
UNII
F3C8G3904Y
InChIKey
HMLIQCQTRZELBY-UHFFFAOYSA-N
InChI
InChI=1S/C18H38O.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/h19H,2-18H2,1H3;(H3,1,2,3,4)
SMILES (canonical and isomeric)
CCCCCCCCCCCCCCCCCCO.OP(=O)(O)O

Synonyms

  • Phosphoric acid, octadecyl ester
  • octadecan-1-ol, phosphoric acid

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
Solidexp.

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
368.50 g/molcalc.
Exact mass
368.2692 Dacalc.
LogP (octanol/water)
5.31calc.
Topological polar surface area
97.99 Ųcalc.
Hydrogen bond donors
4calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
16calc.
Heavy atoms
24calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
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

  • H314Causes severe skin burns and eye damage.
  • H319Causes serious eye irritation.
Precautionary statements (15)
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • 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.
  • P301 + P330 + P331If swallowed: Rinse mouth. Do not induce vomiting.
  • P302 + P361 + P354If on skin: Take off immediately all contaminated clothing. Immediately rinse with water for several minutes.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P316Get emergency medical help immediately.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P337 + P317If eye irritation persists: Get medical help.
  • P363Wash contaminated clothing 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

AX 71 suppliers

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

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Where suppliers are based

5 suppliers in 2 countries

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AX 71 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

Industrial uses: Intermediate.

Regulatory status

Inventories, regulations and trade controls that list this substance

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 AX 71 is traded under.

HS 2905.17Indicative HS code

Dodecan-1-ol (lauryl alcohol), hexadecan-1-ol (cetyl alcohol) and octadecan-1-ol…

World exports in 2024
$563M
+37.5% vs 2023, imports $507M
2019 to 2024
Top exporters
  1. Malaysia37.0%
  2. Indonesia23.6%
  3. Philippines11.7%
Top importers
  1. China23.2%
  2. Japan11.8%
  3. United States11.7%
Reported customs values in USD, not prices.Full trade data

The HS code shown for AX 71 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about AX 71, based on the data on this page

What is AX 71?

AX 71 is a chemical substance with the molecular formula C18H41O5P and a molar mass of 368.50 g/mol. Its CAS registry number is 39471-52-8. The IUPAC name is octadecan-1-ol, phosphoric acid.

What is the CAS number of AX 71?

The CAS registry number of AX 71 is 39471-52-8.

What is the molecular formula and weight of AX 71?

The molecular formula of AX 71 is C18H41O5P and its molar mass is 368.50 g/mol.

What is AX 71 used for?

Industrial uses: Intermediate.

Is AX 71 hazardous?

AX 71 carries the GHS signal word "Danger". Main hazards: causes severe skin burns and eye damage, causes serious eye irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of AX 71?

AX 71 is usually classified under HS code 290517 (Dodecan-1-ol (lauryl alcohol), hexadecan-1-ol (cetyl alcohol) and octadecan-1-ol…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy AX 71?

CompoundList lists 5 suppliers of AX 71 in China and United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of AX 71?

Suppliers quote AX 71 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 AX 71

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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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