Skip to content
Molekula

Molekula

Ethyl 4-aminobenzoate (Benzocaine)

SKU 49830894 CAS 94-09-7 C9H11NO2 MW 165.19 In stock (5+ packs) — same-day dispatch Bulk quantities on request

Supplying 4,500+ customers in over 80 countries

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need

Ethyl 4-aminobenzoate, also known as benzocaine, is a local anesthetic used in topical formulations for pain relief. It is commonly found in creams, gels, and sprays for treating minor skin irritations and mucosal discomfort. Available in powder form with a molecular weight of 165.19 g/mol, its CAS number is 94-09-7, and its molecular formula is C9H11NO2. Store at ambient temperature. Molekula supplies Ethyl 4-aminobenzoate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Expect a response within hours Speak to a chemist: +44 (0) 3302 000333

Example image for illustration only. Other packaging and pack sizes are available.

Pricing & pack sizes

Pack sizes & pricing

These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.

Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.

  • 100 g — £29.50 per pack ex VAT · £35.40 inc. VAT
  • 1 kg — £93.50 per pack ex VAT · £112.20 inc. VAT

Need a different quantity or pack?

Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.

Quantity
Unit
Needed by
Full name
Email
Company
Phone (optional)
Notes

Expect a response within hours

Prices exclude VAT/sales tax and shipping.

Specifications

Property Value
Appearance White flakes
Melting Point 88.0 - 92.0 Deg C
Heavy metals <0.001%
Identification Conforms to reference
Loss on Drying 0.5%max
Assay 98.0 - 102.0%
Residue on Ignition <0.1%
Particle Size 75 microns
Ordinary Impurities ≤1.0%

Storage & handling

Property Value
Storage Temperature Ambient
Flash Point 112 °C
Transport Class 9
Packing Group III
Acidity Neutral

Literature values

Published physical properties of the substance, not batch specifications.

Property Value
Melting Point 92 °C
Boiling Point 310 °C
Solubility (other solvents) Soluble in acid
Vapour Pressure 2.6 × 10⁻⁴ mmHg at 25 °C (Estimated)
pKa pKa = 2.51 (at 25 °C)
log P (octanol/water) 1.86

Source: PubChem CID 2337 (DrugBank, HSDB)

Identification

Property Value
SKU 49830894
CAS Number 94-09-7
IUPAC Name ethyl 4-aminobenzoate
EC Number 202-303-5
Molecular Formula C9H11NO2
Molecular Weight 165.19
Exact Mass 165.079
SMILES CCOC(=O)C1=CC=C(C=C1)N
InChIKey BLFLLBZGZJTVJG-UHFFFAOYSA-N
InChI InChI=1S/C9H11NO2/c1-2-12-9(11)7-3-5-8(10)6-4-7/h3-6H,2,10H2,1H3
PubChem CID 2337
UN Number UN3077
REACH Code Y110
TSCA Listed Yes
HTS Code 29224930
Tariff Code 2922498590

Safety & GHS

Warning
  • GHS pictogram — Health Hazard Health Hazard GHS07
  • GHS pictogram — Hazardous to the Environment Hazardous to the Environment GHS09

Hazard statements

  • H302 Harmful if swallowed
  • H315 Causes skin irritation
  • H317 May cause an allergic skin reaction
  • H319 Causes serious eye irritation
  • H335 May cause respiratory irritation
  • H401 Toxic to aquatic life

Precautionary statements

  • P261 Avoid breathing dust/fume/gas/mist/vapours/spray
  • P273 Avoid release to the environment
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P302+350 IF ON SKIN: Gently wash with soap and water
  • P302+352 IF ON SKIN: Wash with soap and water
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
  • P501 Dispose of contents/container to an approved waste disposal plant

Documents

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Synonyms

  • 4-Aminobenzoic acid ethyl ester
  • Americaine
  • Anaesthesin
  • benzocaine
  • Ethyl 4-aminobenzoate
  • Ethyl aminobenzoate
  • Ethyl p-aminobenzoate
  • Norcaine
  • Parathesin
  • Parathesine

Frequently asked questions

What is Ethyl 4-aminobenzoate (Benzocaine) used for?

It is primarily used as a local anesthetic in topical formulations such as creams, gels, and sprays for pain relief.

What is the chemical formula and molecular weight of Ethyl 4-aminobenzoate?

The formula is C9H11NO2 with a molecular weight of 165.19 g/mol.

How should Ethyl 4-aminobenzoate be stored?

It should be stored at ambient temperature, protected from moisture and light.

What grade of Ethyl 4-aminobenzoate does Molekula supply?

Molekula supplies Ethyl 4-aminobenzoate in pharmaceutical grade.

Can Molekula supply Ethyl 4-aminobenzoate in bulk quantities?

Yes, Molekula can supply Ethyl 4-aminobenzoate in bulk quantities upon request.

What documentation comes with an order of Ethyl 4-aminobenzoate?

Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS).

Ready to order or need a custom pack?

Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.

Talk to a chemist
Documents Pricing
Request a quote
Tell us the product and the quantity you need — including quantities larger than our listed packs. Expect a response within hours.
Full name
Company
Email
Phone (optional)
Product
Quantity needed

Ask for whatever you actually need — the pack sizes on our catalogue pages are a starting point, not a limit.

Message
View basket