Topical Local Anaesthetic Drug Benzocaine CAS 94-09-7 For Pain Killer
Benzocaine Contact Mitchell: Whatsapp +8618124076819 Skype： firstname.lastname@example.org
Alias: AETHOFORM;anesthesin;4-AMINOBENZOIC ACID ETHYL ESTER;ETHYL 4-AMINOBENZOATE;ETHYL P-AMINOBENZOATE
M.P.: 88-90 °C
Storage: shading, sealing preservation.
Properties: the product is a white crystalline powder; odorless, slightly bitter taste, then numbness; meet the color yellow. This product is in ethanol, chloroform or ether soluble in fats, slightly soluble in water, soluble in dilute acid dissolution. Melting point: This product melting point (Appendix VI C) was 88 ～ 91 ℃.
Usage: local anesthetic powder for pain killer.
Benzocaine is used to relieve pain and itching caused by conditions such as sunburn or other minor burns, insect bites or stings, poison ivy, poison oak, poison sumac, minor cuts, or scratches.
Benzocaine belongs to a group of medicines known as topical local anesthetics. It deadens the nerve endings in the skin. This medicine does not cause unconsciousness like general anesthetics do when used for surgery.
This medicine is available without a prescription; However, your doctor may have special instructions on the proper use and dose for your medical condition.
Fat soluble surface anaesthetic. It's for the local anesthetic for wound, pain, ulcer and hemorrhoids, as well as cough suppressants retreat Benzocaine intermediates. Also can be used for ultraviolet absorption in cosmetic. Related product: Lidocaine.
Items of analysis
White crystalline powder
White crystalline powder
Consistent with the standard chart
Loss on drying
Comply with USP standards
Residue on ignition
How to use benzocaine?
To ensure that an appropriate amount of medicament is given, and in order to avoid contact with the ear with a dropper, if possible, insert another person into the drops.
To reduce the risk of dizziness, please hold the container in the hands for a few minutes to heat. To use the ear drops, wash your hands first. To avoid contamination, do not touch the tip or let it touch your ear or any other surface. Lying on your side or tilting the affected ears up. Place the dropper directly on the ear and place 4 to 5 drops into the ear canal or follow the instructions. In order to help the small drops to the ears of adults, the earlobes move up and down.
In children, hold the earlobe down. Keep the head tilted for about 2 minutes, and if so oriented, insert the soft tampon. If so, repeat another ear. Do not rinse the dropper. Replace the lid after use. This procedure is repeated every 1 to 2 hours, as required or as instructed by the doctor.
Signs and symptoms may occur within minutes or up to 2 hours after using benzocaine topical in the mouth or throat.
Benzocaine is a topical analgesic (meaning it is to be used on the body surface or in the mouth but should not be swallowed) that has a number of different uses in over-the-counter (OTC) medicines. Depending on the dose and form, the active ingredient benzocaine can be used to relieve throat and mouth pain; To alleviate external vaginal itching and burning; To stop pain and itching due to hemorrhoids; Or to relieve minor skin irritations, pain, and itching. Because benzocaine is available in different doses and forms, it is very important to read the Drug Facts label carefully to determine whether the medicine is intended to be used for the symptoms you are experiencing.
Benzocaine can be the only active ingredient in oral treatments that relieve sore throat or address mouth pain caused by cold sores, canker sores, teething, and other issues. It also can be combined with other active ingredients in oral treatments that not only relieve mouth and throat pain, but also protect irritated areas, provide a soothing coating, or relieve dryness.
While oral discomfort treatments containing benzocaine are intended to be used in and around the mouth, there are other topical benzocaine medicines that should only be used externally, or on the outer surface of the body (not near or in the mouth). For example, benzocaine can be found in vaginal medicines that contain more than one external analgesic ingredient or in single active ingredient hemorrhoid treatments. Benzocaine also is available in topical pain relievers that not only relieve skin irritations, pain, and itching, but also contain other active ingredients that kill germs and help prevent infection.
Benzocaine is approved by the U. S. Food and Drug Administration (FDA) and is safe and effective when used according to label directions. Some oral discomfort treatments can be used to temporarily relieve pain due to toothaches; However, these medicines are not intended for long-term treatment. If your toothache pain is severe or lasts for more than seven days, you should talk to your dentist.
Benzocaine may not be contained in all products sold under these brands. Please read the OTC Drug Facts label carefully for active ingredient information for specific products .
Benzocaine is mainly used for local pain therapy of the skin and mucous membranes, such as in the mouth and throat area, as well as medicines for colds, antitussive preparations, painkillers such as solutions or lozenges for cervical, stomach and teething problems, astringents. Topical preparations such as creams, solutions and powders are used against athlete's foot, corns, warts and calluses, suppositories for the treatment of hemorrhoids and anal complaints such as anal pruritus and anal localized eczema.
Application as a delay cream
Benzocaine can also be applied to the man's penis. The aim here is to reduce the feeling sensations through the anesthetic effect in order to avoid premature ejaculation. The ejaculation of the man is - in the ideal case - delayed until the partner reaches her orgasm.
Benzocaine is commercially available for these purposes as a "delay cream", "long-term spray" or similar names. The remedy is applied before the beginning of the act of love - with completely retracted foreskin - on the glans of the man. To improve the delaying effect, the product should be carefully distributed and massaged. The anesthesia usually sets in after about 1 minute, but often begins to fade after 10 minutes.
Benzocaine is also used in some condoms (eg Performa by Durex, max.LOVE by Condomi or Control by Crest). In the reservoir of these special condoms is an about pea-sized amount of benzocaine ointment, which dissolves due to the penile heat and then desensitized the glans of the man. The effect of benzocaine is in this dosage form but rather lower than the targeted application of creams and sprays: either the dosage of the drug is not sufficient, or the glans of the man is insufficiently wetted.
Benzocaine reversibly prevents the depolarization of nerve cells by binding to voltage-dependent sodium channels, which prevents the transmission of an action potential.
Para-nitrotoluene is oxidized by potassium dichromate under sulfuric acid reaction conditions to para-nitrobenzoic acid. The resulting carboxylic acid is reacted in an acidic medium with ethanol to para-nitrobenzoic acid ethyl ester. Subsequently, the para-nitro group is reduced by elemental iron in the acid to the aromatic amino group.
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