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Fungicides

Piperalin

Also known as Pipron, EL 211, 3-(2-Methylpiperidino)propyl 3,4-dichlorobenzoate

CAS 3478-94-2Formula C16H21Cl2NO2Molar mass 330.26 g/molEC 222-455-6
GHS signal word: Warning. Pictograms: Harmful or irritant, Hazardous to the environment 1 supplier listed
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Piperalin chemical structure, C16H21Cl2NO2, CAS 3478-94-2
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Viscous amber liquid
Melting point
208 °C
Boiling point
156 to 157
Density
1.18 g/cm³
Flash point
71.1 C / 160 F
HS code
293339
Category
Fungicides
Illustrative photo, sealed amber glass ampoules on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Piperalin?

Plain description, key identifiers and synonyms

3-(2-methylpiperidin-1-yl)propyl 3,4-dichlorobenzoate is a member of the class of piperidines that is 2-methylpiperidine in which the hydrogen attached to the nitrogen is replaced by a 3-[(3,4-dichlorobenzoyl)oxy]propyl group. It is a dichlorobenzene, a member of piperidines, a benzoate ester and a tertiary amino compound. It is functionally related to a 3,4-dichlorobenzoic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
3-(2-methylpiperidin-1-yl)propyl 3,4-dichlorobenzoate
CAS number
3478-94-2 CAS number cross-checked
EC number
222-455-6
Molecular formula
C16H21Cl2NO2
UNII
55ZQC8F9JQ
InChIKey
BZGLBXYQOMFXAU-UHFFFAOYSA-N
InChI
InChI=1S/C16H21Cl2NO2/c1-12-5-2-3-8-19(12)9-4-10-21-16(20)13-6-7-14(17)15(18)11-13/h6-7,11-12H,2-5,8-10H2,1H3
SMILES (canonical and isomeric)
CC1CCCCN1CCCOC(=O)C2=CC(=C(C=C2)Cl)Cl

Synonyms

  • Pipron
  • EL 211
  • 3-(2-Methylpiperidino)propyl 3,4-dichlorobenzoate
  • 1-Piperidinepropanol, 2-methyl-, 3,4-dichlorobenzoate (ester)
  • Benzoic acid, 3,4-dichloro-, 3-(2-methylpiperidino)propyl ester
  • gamma-(2-Methylpiperidino)propyl 3,4-dichlorobenzoate
  • Benzoic acid, 3,4-dichloro-, 3-(2-methyl-1-piperidinyl)propyl ester
  • 3(2Methylpiperidino)propyl 3,4dichlorobenzoate
  • gamma(2Methylpiperidino)propyl 3,4dichlorobenzoate
  • 1Piperidinepropanol, 2methyl, 3,4dichlorobenzoate (ester)
  • Piperidinepropanol, 2-methyl-,3,4-dichlorobenzoate (ester)
  • rac-3-(2-methylpiperidin-1-yl)propyl 3,4-dichlorobenzoate
  • Benzoic acid, 3,4dichloro, 3(2methyl1piperidinyl)propyl ester
  • Benzoic acid, 3,4dichloro, 3(2methylpiperidino)propyl ester
  • 3-(2-methylpiperidin-1-yl)propyl 3,4-dichlorobenzoate
  • 1-Piperidinepropanol, 2-methyl-, 3,4-dichlorobenzoate
  • 3-(2-Methyl-1-piperidinyl)propyl 3,4-dichlorobenzoate #
  • 3,4-Dichlorobenzoic acid, 3-(2-methylpiperidino)propyl ester
  • Benzoic acid, 3,4-dichloro-, 3-(2-methyl-1- piperidinyl)propyl 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
Viscous amber liquidexp.
Odour
Slightly musty straw odorexp.
Melting point
208 °Cexp.
Boiling point
156 to 157exp.
Density
1.18 g/cm³exp.
Flash point
71.1 C / 160 Fexp.
Solubility
In water, 20 mg/l, temp not specifiedexp.

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
330.26 g/molcalc.
Exact mass
329.0949 Dacalc.
LogP (octanol/water)
4.41calc.
Topological polar surface area
29.54 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
5calc.
Heavy atoms
21calc.
Rings
2calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.56calc.
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, O=C(OCCCN1CCCCC1)c1ccccc1

O=C(OCCCN1CCCCC1)c1ccccc1

2 rings, 18 atoms.

112 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

  • H315Causes skin irritation.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (9)
  • P264Wash skin thoroughly after handling.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • 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.
  • 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

Piperalin suppliers

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

See the supplier
  • Sepro Corporation
    United States, Carmel ManufacturerUnclaimed profile
    PiperalinGrade, purity and minimum order on request
    Price on request
    View

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Where suppliers are based

1 supplier in 1 country

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Piperalin 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

Fungicide ... For powdery mildew in greenhouse-grown flowers and certain other ornamentals.

Use classes: Fungicides.

Roles

  • agrochemical
  • antifungal agent
  • antifungal agrochemical
  • antimicrobial agent
  • fungicide
  • pesticide
  • sterol biosynthesis inhibitor

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 Piperalin is traded under.

HS 2933.39Indicative HS code

Heterocyclic compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure…

World exports in 2024
$9.16B
−17.9% vs 2023, imports $10.6B
2019 to 2024
Top exporters
  1. China21.5%
  2. India * partner reported12.3%
  3. Ireland11.6%
Top importers
  1. Germany14.2%
  2. United States12.8%
  3. Brazil10.1%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Piperalin?

3-(2-methylpiperidin-1-yl)propyl 3,4-dichlorobenzoate is a member of the class of piperidines that is 2-methylpiperidine in which the hydrogen attached to the nitrogen is replaced by a 3-[(3,4-dichlorobenzoyl)oxy]propyl group.

What is the CAS number of Piperalin?

The CAS registry number of Piperalin is 3478-94-2.

What is the molecular formula and weight of Piperalin?

The molecular formula of Piperalin is C16H21Cl2NO2 and its molar mass is 330.26 g/mol.

What is Piperalin used for?

Fungicide ... For powdery mildew in greenhouse-grown flowers and certain other ornamentals. Use classes: Fungicides.

Is Piperalin hazardous?

Piperalin carries the GHS signal word "Warning". Main hazards: causes skin irritation, very toxic to aquatic life, very 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 Piperalin?

Piperalin is usually classified under HS code 293339 (Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Piperalin?

CompoundList lists 1 supplier of Piperalin in 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 Piperalin?

Suppliers quote Piperalin 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 Piperalin

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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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