CompoundList
Sign in
Aromatic building blocks

Risocaine

Also known as Propyl 4-aminobenzoate, Propyl p-aminobenzoate, 4-(Propoxycarbonyl)aniline

CAS 94-12-2Formula C10H13NO2Molar mass 179.22 g/molEC 202-306-1
GHS signal word: Warning. Pictograms: Harmful or irritant 4 suppliers listed
Get quotes Compare 4 suppliers
Risocaine chemical structure, C10H13NO2, CAS 94-12-2
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Prisms
Melting point
75 °C
Solubility
In water, 842 mg/L at 37 °C
HS code
292249
Category
Aromatic building blocks
Illustrative photo, closed white HDPE bottles and amber jars on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Risocaine?

Plain description, key identifiers and synonyms

Risocaine is a chemical substance with the molecular formula C10H13NO2 and a molar mass of 179.22 g/mol. Its CAS registry number is 94-12-2. The IUPAC name is propyl 4-aminobenzoate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
propyl 4-aminobenzoate
CAS number
94-12-2 CAS number cross-checkedOther or deprecated CAS: 71735-15-4
EC numbers
202-306-1, 275-926-3
Molecular formula
C10H13NO2
UNII
5CQ88I59ZI
MDL number
MFCD00017111
InChIKey
NBFQYHKHPBMJJV-UHFFFAOYSA-N
InChI
InChI=1S/C10H13NO2/c1-2-7-13-10(12)8-3-5-9(11)6-4-8/h3-6H,2,7,11H2,1H3
SMILES (canonical and isomeric)
CCCOC(=O)C1=CC=C(C=C1)N

Synonyms

  • Propyl 4-aminobenzoate
  • Propyl p-aminobenzoate
  • 4-(Propoxycarbonyl)aniline
  • Benzoic acid, 4-amino-, propyl ester
  • Benzoic acid, p-amino-, propyl ester
  • p-Aminobenzoic acid propyl ester
  • Propazyl
  • Propaesin
  • Propylcain
  • Raythesin
  • Keloform P
  • n-Propyl 4-aminobenzoate
  • Propesin
  • Propesine
  • 4-aminobenzoic acid n-propyl ester
  • Risocaina
  • Risocainum
  • Propyl-p-amino benzoate
  • p-Aminobenzoic acid, propyl ester
  • Propyl aminobenzoate
  • Propylcain, Raythesin
  • Propyl-p-aminobenzoate
  • Oxabiotic, component of
  • n-Propyl p-aminobenzoate
  • Risocaine (USAN)
Show all 30 synonyms
  • 4-Aminobenzoic Acid Propyl Ester
  • n-Propyl-4-aminobenzoate
  • aniline, 4-propoxycarbonyl-
  • p-Aminobenzoesaurepropylester
  • Para-aminobenzoic acid 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
Prismsexp.
Melting point
75 °Cexp.
Solubility
In water, 842 mg/L at 37 °Cexp.
Vapour pressure
8.15 × 10⁻⁴ mm Hg at 25 °C /Estimated/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
179.22 g/molcalc.
Exact mass
179.0946 Dacalc.
LogP (octanol/water)
1.84calc.
Topological polar surface area
52.32 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
3calc.
Heavy atoms
13calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.3calc.
Formal charge
0calc.
Stereocentres
0calc.
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, c1ccccc1

c1ccccc1

1 ring, 6 atoms, the Benzene ring system.

485,677 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

Hazard statements

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
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 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: 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

Risocaine suppliers

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

All 4 suppliers
4 of 4 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

4 suppliers in 3 countries

Send one request to many suppliers

Choose up to 10 suppliers or let us match your request. Compare quotes side by side, free.

Choose suppliersPost a request

Risocaine 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.

Get latest price

Uses and applications

What the substance is used for, by industry and function

Propyl p-aminobenzoate is used as local anesthetic and antipruritic.

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 Risocaine is traded under.

HS 2922.49Indicative HS code

Amino-acids, other than those containing more than one kind of oxygen function, and…

World exports in 2024
$3.88B
−11.5% vs 2023, imports $3.87B
2019 to 2024
Top exporters
  1. China38.7%
  2. India * partner reported8.3%
  3. Germany8.1%
Top importers
  1. United States13.4%
  2. Germany11.1%
  3. Japan6.6%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Risocaine?

Risocaine is a chemical substance with the molecular formula C10H13NO2 and a molar mass of 179.22 g/mol. Its CAS registry number is 94-12-2. The IUPAC name is propyl 4-aminobenzoate.

What is the CAS number of Risocaine?

The CAS registry number of Risocaine is 94-12-2. Other or deprecated CAS numbers: 71735-15-4.

What is the molecular formula and weight of Risocaine?

The molecular formula of Risocaine is C10H13NO2 and its molar mass is 179.22 g/mol.

What is Risocaine used for?

Propyl p-aminobenzoate is used as local anesthetic and antipruritic.

Is Risocaine hazardous?

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

What is the HS code of Risocaine?

Risocaine is usually classified under HS code 292249 (Amino-acids, other than those containing more than one kind of oxygen function, and…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Risocaine?

CompoundList lists 4 suppliers of Risocaine in United States, Netherlands and Singapore. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Risocaine?

Suppliers quote Risocaine 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 Risocaine

Get quotes for Risocaine

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Risocaine
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of Risocaine with a 3D view, its CAS number where known and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/risocaine-94-12-2" title="Risocaine structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Aromatic building blocks or HS code 292249

4 suppliers
Free quotes, contact stays private
Get quotes