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Aliphatic and alicyclic building blocks

Agent QL

Also known as Isopropyl aminoethylmethyl phosphonite, O-Ethyl O-2-diisopropylaminoethyl methylphosphonite, O-2-diisopropylaminoethyl)-O'-ethyl methylphosphonite

CAS 57856-11-8Formula C11H26NO2PMolar mass 235.31 g/mol
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Agent QL chemical structure, C11H26NO2P, CAS 57856-11-8
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Colorless liquid
Boiling point
230 °C
Solubility
Slight solubility in water
HS code
293149
Category
Aliphatic and alicyclic building blocks
Illustrative photo, 25 litre white jerry cans of liquid in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Agent QL?

Plain description, key identifiers and synonyms

This material is a chemical weapon or chemical weapon precursor.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
N-[2-[ethoxy(methyl)phosphanyl]oxyethyl]-N-propan-2-ylpropan-2-amine
CAS number
57856-11-8 CAS number cross-checked
Molecular formula
C11H26NO2P
UNII
8154M6X68L
InChIKey
OIQVKKOBTVZIFE-UHFFFAOYSA-N
InChI
InChI=1S/C11H26NO2P/c1-7-13-15(6)14-9-8-12(10(2)3)11(4)5/h10-11H,7-9H2,1-6H3
SMILES (canonical and isomeric)
CCOP(C)OCCN(C(C)C)C(C)C

Synonyms

  • Isopropyl aminoethylmethyl phosphonite
  • O-Ethyl O-2-diisopropylaminoethyl methylphosphonite
  • O-2-diisopropylaminoethyl)-O'-ethyl methylphosphonite
  • Phosphonous acid, methyl-, 2-(bis(1-methylethyl)amino)ethyl ethyl ester
  • Phosphonous acid, methyl-, 2-[bis(1-methylethyl)amino]ethyl ethyl ester
  • Phosphonous acid, P-methyl-, 2-(bis(1-methylethyl)amino)ethyl ethyl ester
  • 2-[Bis(1-methylethyl)amino]ethyl ethyl P-methylphosphonite
  • 2-(Bis(1-methylethyl)amino)ethyl ethyl P-methylphosphonite
  • Phosphonous acid, P-methyl-, 2-[bis(1-methylethyl)amino]ethyl ethyl ester
  • O-Ethyl-O-2-diisopropylaminoethyl methylphosphonite
  • ethyl 2-diisopropylaminoethyl methylphosphonite
  • 2-(Diisopropylamino)ethyl ethyl methylphosphonite #
  • 2-[Di(propan-2-yl)amino]ethyl ethyl methylphosphonite
  • Ethyl 2-(N,N-diisopropylamino)ethyl methylphosphonite
  • Methylphosphonous acid, ethyl (2-diisopropylaminoethyl) ester
  • Phosphonous acid, methyl-2-[bis(methylethyl)amino]ethyl-, ethyl ester

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

Appearance
Colorless liquidexp.
Odour
Strong fishy odorexp.
Boiling point
230 °Cexp.
Solubility
Slight solubility in waterexp.
Vapour pressure
0.01 mm Hg at 25 °C /77 °F/exp.

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
235.31 g/molcalc.
Exact mass
235.1701 Dacalc.
LogP (octanol/water)
3.1calc.
Topological polar surface area
21.7 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
8calc.
Heavy atoms
15calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
1calc.
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

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

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

Agent QL suppliers

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Agent QL 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

Synthesis of the nerve agent VX and as a component in the binary nerve agent VX2.

How it is made

Synthesis: Diethyl methylphosphonite and KB, 2-(N,N-diethylamino)ethanol

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 Agent QL is traded under.

HS 2931.49Indicative HS code

Non-halogenated organo-phosphorous derivatives, other

World exports in 2024
$3.44B
−6.5% vs 2023, imports $3.07B
2022 to 2024
Top exporters
  1. China54.9%
  2. United States25.4%
  3. Germany5.1%
Top importers
  1. United States20.9%
  2. Argentina14.9%
  3. Brazil14.3%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

Quick answers about Agent QL, based on the data on this page

What is Agent QL?

This material is a chemical weapon or chemical weapon precursor.

What is the CAS number of Agent QL?

The CAS registry number of Agent QL is 57856-11-8.

What is the molecular formula and weight of Agent QL?

The molecular formula of Agent QL is C11H26NO2P and its molar mass is 235.31 g/mol.

What is Agent QL used for?

Synthesis of the nerve agent VX and as a component in the binary nerve agent VX2.

Is Agent QL hazardous?

No GHS hazard classification for Agent QL is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Agent QL?

Agent QL is usually classified under HS code 293149 (Non-halogenated organo-phosphorous derivatives, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Agent QL?

Post a free request on CompoundList and suppliers of Agent QL will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Agent QL?

Suppliers quote Agent QL 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 Agent QL

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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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