Local Anesthetic APIS Pramoxine hydrochloride CAS No.:637-58-1

Local Anesthetic APIS Pramoxine hydrochloride CAS No.:637-58-1

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Product name:Pramoxine Hydrochloride,Pramoxine HCL
English Synonyms: Proctofoam; Pramoxine HCL; Praxomine Hydrochloride; Tronothane Hydrochloride; ; pramocaine Hydrochloride;
Synonyms:4-(3-(p-butoxyphenoxy)propyl)-morpholinhydrochloride ; gamma-morpholinopropyl4-n-butoxyphenyletherhydrochloride ; p-butoxyphenylgamma-morpholinopropyletherhydrochloride ; proctofoam ; Pramoxine HCL ; Praxomine Hydrochloride ; Tronothane Hydrochloride ; 4-[3-(P-BUTOXYPHENOXY)PROPYL]MORPHOLINE Hydrochloride ; 4-n-butoxyphenyl gamma-morpholinopropyl ether hydrochloride ; 4-N-BUTOXYPHENYL G-MORPHOLINOPROPYL ETHER Hydrochloride ; pramocaine Hydrochloride ; 4-[3-(4-butoxyphenoxy)propyl]morpholine Hydrochloride (1:1)
CAS:637-58-1
EINECS number: 211-293-1
Molecular formula: C17H28ClNO3
Molecular weight: 329.8621
Assay:99% min
Appearance: White or almost white crystalline powder
Boiling point: 427 ° C at 760 mmHg
Flash Point: 123.5 ° C
Vapor Pressure: 1.7E-07mmHg at 25 ° C
Standard:USP
Grade:Pharmaceutical Grade
Express: EMS, DHL, FedEx, etc(door-to-door)


COA:


Melting range170~174℃171.7~173.2℃
Loss on drying<1.0%0.12%
Residue on ignition<0.1%0.04%
Ethanol<0.5%0.061%
Carbinol<0.3%0.10%
Acetone<0.5%Not detected
Assay98.0%~102.0%99.98%
ConclusionThe results conforms with USP33


Description of Pramoxine HCL:


Structurally, it is the esther hydrochloride of p-n butoxyphenyl gammamorpholinopropane. The substance stood out as a good topical local anesthetic agent when Abbott Laboratories were researching a series of alkoxy aryl alkamine ethers for such an application. Pramocaine is tolerable by most mucus membranes and ranks low on the sensitizing index, making it unlikely to trigger an allergic reaction.


Pramoxine Hydrochloride is the hydrochloride salt form of pramoxine, a morpholine derivative with local anesthetic property.Pramocaine hydrochloride decreases the permeability of the neuronal membrane to sodium ions by reversibly binding to and inhibiting voltage-gated sodium channels. This results in stabilization of the membrane and, thereby inhibiting the ionic fluxes required for membrane depolarization, hence resulting in the failure to initiate a propagated action potential and subsequent conduction blockade.

Pramoxine is used to temporarily relieve itching and pain caused by minor skin irritation such as minor burns/cuts/scrapes, sunburn, eczema, insect bites, cold sores, or rashes from poison ivy, poison oak, or poison sumac. Some products containing pramoxine are also used to temporarily relieve the itching and discomfort from hemorrhoids and certain other problems of the genital/anal area (such as anal fissures, itching around the vagina/rectum).