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Herbicides

Napropamide

Also known as Napropamid, Devrinol, Racemic devrinol

CAS 15299-99-7Formula C17H21NO2Molar mass 271.36 g/molEC 239-333-3
GHS signal word: Warning. Pictograms: Harmful or irritant, Hazardous to the environment 11 suppliers listed
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Napropamide chemical structure, C17H21NO2, CAS 15299-99-7
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Colorless crystals, (tech., brown solid)
Melting point
75 °C
Solubility
In water, 73 mg/l @ 20 °C
HS code
292429
Category
Herbicides
Illustrative photo, colourless crystals in an open fibre drum in a chemical plant
Typical packagingIllustrative packaging image, not the actual product

What is Napropamide?

Plain description, key identifiers and synonyms

N,N-diethyl-2-(naphthalen-1-yloxy)propanamide is a monocarboxylic acid amide that is propanamide substituted by two ethyl groups at the nitrogen atom and a naphthalen-1-yloxy group at position 2. It is a member of naphthalenes, a monocarboxylic acid amide and an aromatic ether.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
N,N-diethyl-2-naphthalen-1-yloxypropanamide
CAS number
15299-99-7 CAS number cross-checked
EC number
239-333-3
Molecular formula
C17H21NO2
UNII
B56M9401K6
MDL number
MFCD00055354
InChIKey
WXZVAROIGSFCFJ-UHFFFAOYSA-N
InChI
InChI=1S/C17H21NO2/c1-4-18(5-2)17(19)13(3)20-16-12-8-10-14-9-6-7-11-15(14)16/h6-13H,4-5H2,1-3H3
SMILES (canonical and isomeric)
CCN(CC)C(=O)C(C)OC1=CC=CC2=CC=CC=C21

Synonyms

  • Napropamid
  • Devrinol
  • Racemic devrinol
  • Waylay
  • N,N-Diethyl-2-(1-naphthyloxy)propionamide
  • Propionamide, N,N-diethyl-2-(1-naphthyloxy)-
  • N,N-Diethyl-2-(1-naphthalenyloxy)propionamide
  • 2-(1-Naphthoxy)-N,N-diethylpropionamide
  • Propanamide, N,N-diethyl-2-(1-naphthalenyloxy)-
  • 2-(alpha-Naphthoxy)-N,N-diethylpropionamide
  • N,N-Diethyl-2-(1-naphthalenyloxy)propanamide
  • N,N-Diethyl-2-(1-naphthyloxy)propanamide
  • N,N-Diethyl-2-(naphthalen-1-yloxy)propanamide
  • N,N-Diethyl-2-(1-Naphthyloxy)propanamde
  • N,N-diethyl-2-naphthalen-1-yloxypropanamide
  • N,N-Diethyl-2-[(naphthalen-1-yl)oxy]propanamide
  • Napromide
  • Napropamide Standard
  • Napropamide (Standard)
  • 2-(alpha-Naphthoxy)-N,N-diaethyl-propionsaeureamid
  • Propanamide, N,N-diethyl-2-(1-naphthalenyloxy)-, (R)-
  • Devrinol, (+/-)-
  • Wxzvaroigsfcfj-uhfffaoysa-
  • Napropamide 10 |Ig/mL in Cyclohexane
  • Napropamide 100 |Ig/mL in Cyclohexane
Show all 30 synonyms
  • Napropamide 10 microg/mL in Cyclohexane
  • Napropamide 100 microg/mL in Cyclohexane
  • N,N-Diethyl-2-(1-naphthyloxy)propanamide #
  • Napropamid, PESTANAL(R), analytical standard
  • N,N-Diethyl-2-(1-naphthyloxy)propanamide, 97%

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 crystals, (tech., brown solid)exp.
Melting point
75 °Cexp.
Solubility
In water, 73 mg/l @ 20 °Cexp.
Vapour pressure
1.72 × 10⁻⁷ mm Hg @ 25 °Cexp.

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
271.36 g/molcalc.
Exact mass
271.1572 Dacalc.
LogP (octanol/water)
3.48calc.
Topological polar surface area
29.54 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
5calc.
Heavy atoms
20calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.35calc.
Formal charge
0calc.
Stereocentres
1calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccc2ccccc2c1

c1ccc2ccccc2c1

2 rings, 10 atoms, the Naphthalene ring system.

17,920 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H319Causes serious eye irritation.
  • H411Toxic to aquatic life with long lasting effects.
Precautionary statements (7)
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P337 + P317If eye irritation persists: Get medical help.
  • P391Collect spillage.
  • 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

Napropamide suppliers

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

All 11 suppliers
11 of 11 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

11 suppliers in 7 countries

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Napropamide price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Selective herbicide.

Use classes: Pesticides, Herbicides.

Roles

  • agrochemical
  • environmental contaminant
  • herbicide
  • pesticide
  • xenobiotic

Functional uses

  • Biocide

How it is made

Prepn: H. Files et al., U.S. pat 3,480,671 (1969 to Stauffer).

/Napropamide/ ... is obtained by the reaction of 1-naphthol and N,N-diethyl-alpha-bromopropionamide in MeOH-NaOMe at reflux.

Alpha-naphthol + alpha-chloropropionic acid + diethylamine (ether formation/amide formation)

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2924.29Indicative HS code

Cyclic amides (including cyclic carbamates) and their derivatives, salts thereof, other

World exports in 2024
$5.69B
−5.1% vs 2023, imports $5.8B
2019 to 2024
Top exporters
  1. China32.3%
  2. Switzerland * partner reported13.6%
  3. Norway * partner reported12.8%
Top importers
  1. United States15.9%
  2. Ireland15.8%
  3. Germany11.9%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about Napropamide, based on the data on this page

What is Napropamide?

N,N-diethyl-2-(naphthalen-1-yloxy)propanamide is a monocarboxylic acid amide that is propanamide substituted by two ethyl groups at the nitrogen atom and a naphthalen-1-yloxy group at position 2. It is a member of naphthalenes, a monocarboxylic acid amide and an aromatic ether.

What is the CAS number of Napropamide?

The CAS registry number of Napropamide is 15299-99-7.

What is the molecular formula and weight of Napropamide?

The molecular formula of Napropamide is C17H21NO2 and its molar mass is 271.36 g/mol.

What is Napropamide used for?

Selective herbicide. Use classes: Pesticides, Herbicides.

Is Napropamide hazardous?

Napropamide carries the GHS signal word "Warning". Main hazards: causes serious eye irritation, toxic to aquatic life with long lasting effects. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Napropamide?

Napropamide is usually classified under HS code 292429 (Cyclic amides (including cyclic carbamates) and their derivatives, salts thereof, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Napropamide?

CompoundList lists 11 suppliers of Napropamide in France, India, Belgium, Canada and 3 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Napropamide in India?

2 suppliers in India list Napropamide on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Napropamide?

Suppliers quote Napropamide 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 Napropamide

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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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