Benzocaine Powder CAS 94-09-7

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Product name: benzocaine
Synonyms: anaesthesine, benzocaine BP98, anesthesin, parathesin; auralgan otic; Ethyl aminobenzoate; Ethyl 4-aminobenzoate
CAS Registry Number: 94-09-7
Molecular Formula: C9H11NO2
Molecular Weight: 165.19
EINECS: 202-303-5
Density: 1.17
Melting point: 89-92 ºC
Boiling point: 172 ºC (17 torr)

Flshing point: 164.2±17.9 °C
Molecular Structure:


The benzocaine powder should be kept in dark and confined space.

Physicochemical property
Colorless or white rhombic crystal powder Odorless, slightly bitter taste, it will change color when in the light. hardly soluble in water, slightly soluble in fatty oil, soluble in dilute acid, ethyl alcohol  , diethyl ether , chloroform, almond oil, olive oil.

1. The benzocaine is used for local anesthetic. It has great persistance, low toxicity.
2. It is mainly used in relieve itching , relieve pain .
3. It also can be used in ultraviolet light absorber, used in sunscreen


[1]. Wang GK et al. A common local anesthetic receptor for benzocaine and etidocaine in voltage-gated mu1 Na+ channels. Pflugers Arch. 1998 Jan;435(2):293-302.

2]. Di Croce D et al. Drug action of benzocaine on the sarcoplasmic reticulum Ca-ATPase from fast-twitch skeletal muscle. Naunyn Schmiedebergs Arch Pharmacol. 2015 Nov;388(11):1163-70.

[3]. Davis JA, et al. Benzocaine-induced methemoglobinemia attributed to topical application of the anesthetic in several laboratory animal species. Am J Vet Res. 1993 Aug;54(8):1322-6.

Benzocaine Powder COA

COA-benzocaine, fhs biochem


Raw Powder for Anesthesia or Analgesia

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