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  • benzocaine  94-09-7
Name:benzocaine 94-09-7
CAS No:94-09-7



Benzocaine is a local anesthetic commonly used as a topical pain reliever or in cough drops. It is the active ingredient in many over-the-counter anesthetic ointments such as products for oral ulcers. It is also combined with antipyrine to form A/B otic drops to relieve ear pain and remove earwax.

Basic Info

Chemical Name benzocaine

ORTHESIN;Ora-jel;p-aminobenzoic acid ethyl ester;Benzocaine;Anaesthin;Ethoform;Euphagin;ethyl 4-amino-benzoate;Topcaine;Solu H;ethyl ester of p-aminobenzoic acid;4-amino-benzoic acid ethyl ester;Norcaine;4-ethoxycarbonylaniline;AETHOFORM;ethyl 4-aminobenzene carboxylate;Benzoic acid, 4-amino-, ethyl ester;Norcain;Collapse

CAS No. 94-09-7
Molecular Formula C9H11NO2
Molecular Weight 165.18900
PSA 52.32000
LogP 2.02670


Appearance & Physical State White crystalline powder
Density 1.17
Boiling Point 172ºC (17 torr)
Melting Point 89-92ºC
Flash Point > 110ºC
Refractive Index 1.5502
Stability Stable. Combustible. Incompatible with strong oxidizing agents.
Storage Condition 0-6ºC

Safety Info

RTECS DG2450000
Safety Statements S22; S24/25; S37/39; S26; S24
HS Code 2922499990
WGK Germany 2
Packing Group III
Risk Statements R36/37/38; R43
Hazard Codes Xi