Prilocaine
Local anesthetic drug Chemical Properties Uses Production method- Product Name
- Prilocaine
- CAS No.
- 721-50-6
- Chemical Name
- Prilocaine
- Synonyms
- PRILOCAINE BASE;Aβ25-35;Citanest;Propitocaine;l67;N-(2-methylphenyl)-2-(propylamino)propionamide;L 67;Priloca;astra1512;astra1515
- CBNumber
- CB8270843
- Molecular Formula
- C13H20N2O
- Formula Weight
- 220.31
- MOL File
- 721-50-6.mol
Prilocaine Property
- Melting point:
- 37-38°
- Boiling point:
- bp0.1 159-162°
- Density
- 1.0117 (rough estimate)
- refractive index
- nD20 1.5298
- storage temp.
- 2-8°C
- solubility
- Slightly soluble in water, very soluble in acetone and in ethanol (96 per cent).
- pka
- pKa 7.32 or 7.89 (Uncertain)
- Water Solubility
- 6.169g/L(25 ºC)
- InChI
- InChI=1S/C13H20N2O/c1-4-9-14-11(3)13(16)15-12-8-6-5-7-10(12)2/h5-8,11,14H,4,9H2,1-3H3,(H,15,16)
- InChIKey
- MVFGUOIZUNYYSO-UHFFFAOYSA-N
- SMILES
- C(NC1=CC=CC=C1C)(=O)C(NCCC)C
- CAS DataBase Reference
- 721-50-6(CAS DataBase Reference)
- NIST Chemistry Reference
- Propanamide, n-(2-methylphenyl)-2-(propylamino)-(721-50-6)
Safety
- HS Code
- 2924296000
- Hazardous Substances Data
- 721-50-6(Hazardous Substances Data)
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H302Harmful if swallowed
H319Causes serious eye irritation
- Precautionary statements
-
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
N-Bromosuccinimide Price
- Product number
- PHR3105
- Product name
- Prilocaine
- Purity
- pharmaceutical secondary standard, certified reference material
- Packaging
- 500MG
- Price
- $182
- Updated
- 2024/03/01
- Product number
- P2939000
- Product name
- Prilocaine
- Purity
- European Pharmacopoeia (EP) Reference Standard
- Packaging
- p2939000
- Price
- $220
- Updated
- 2024/03/01
- Product number
- 1560990
- Product name
- Prilocaine
- Purity
- United States Pharmacopeia (USP) Reference Standard
- Packaging
- 200mg
- Price
- $186.4
- Updated
- 2024/03/01
- Product number
- P725005
- Product name
- Prilocaine
- Packaging
- 5mg
- Price
- $195
- Updated
- 2021/12/16
- Product number
- API0005904
- Product name
- PRILOCAINE
- Purity
- 95.00%
- Packaging
- 1G
- Price
- $186.9
- Updated
- 2021/12/16
Prilocaine Chemical Properties,Usage,Production
Local anesthetic drug
Prilocaine belongs to amide local anesthetic drug with its anesthesia intensity and speed being similar as lidocaine but with a longer duration period and weaker effect on vasodilation. It has a lower toxicity than lidocaine. It is clinically for local anesthesia, especially suitable for treating patients who are not allowed to use adrenaline.
[Pharmacological] its 3% solution has a similar local anesthesia efficacy as the anesthesia drug of 2% lidocaine together with adrenaline. It has a slow onset time which lasts about 6~7min and the duration time of about 1.5~2h. It has a strong penetration capability through mucous membranes. Adrenaline has a slightly prolonged duration of action. PPB is 55% and T1/2 of about 1.5h. It is subject to liver metabolism with its metabolites nitroso toluidine being able to oxidize hemoglobin to form methemoglobin. It can be transported to the fetus through the placenta.
[Adverse reactions] once the usage amount exceeds 600mg, methaemoglobinaemia can occur with cyanosis, tachycardia, headache, dizziness and weakness occurring.
[Note] patients of anemia, congenital or acquired methaemoglobinaemia, respiratory failure or heart failure and hypoxic patients should be disabled. It is forbidden for applied to obstetric anesthesia.
[Usage and dosage] infiltration anesthesia: 0.5% to 1% solution with the duration of action of 1 to 1.5 hours.
Nerve blocking anesthesia: use 1% to 2% solution with the duration of action being 2-3 hours.
Epidural anesthesia: use10 to 30 mL of 1.5%~1% solution with the duration of action of 2.5 to 3.5 hours. Use a maximum dose of 600 mg.
Figure 1 the structural formula of prilocaine
The above information is edited by the Chemicalbook of Dai Xiongfeng.
Chemical Properties
It is a kind of needle-like crystals with the melting point being 37-38 ℃ and the boiling point being 159-162 ℃ (0.133kPa), and refractive index (nD20) being 1.5299. Its hydrochloride ([1786-81-8]) is a white crystalline powder. The Melting point is 167-168 ℃. It is soluble in water and ethanol, slightly soluble in chloroform. It has sour taste and bitter taste and is odorless.
Uses
It is a kind of local anesthetic drug. The product has better efficacy than procaine and the local anesthesia intensity and speed being similar as lidocaine but with longer duration time and less toxicity as well as smaller accumulation effect. It is suitable for epidural anesthesia, conduction anesthesia and infiltration anesthesia.
Production method
O-toluidine and α-bromo-propionyl bromide are condensed and further have reaction with propylamine obtain prilocaine.
Chemical Properties
White or almost white, crystalline powder.
Uses
Prilocaine is a local anesthetic of the amino amide type. Prilocaine is often used in dentistry. Prilocaine is also often combined with lidocaine as a preparation for dermal anesthesia (lidocaine/prilocaine or EMLA), for treatment of conditions like paresthesia.
Uses
In terms of pharmacological parameters, prilocaine is comparable to lidocaine; however, because of a number of toxic manifestations, it is rarely used in medical practice. Citanest and xylonest are well-known synonyms for prilocaine.
Definition
ChEBI: An amino acid amide in which N-propyl-DL-alanine and 2-methylaniline have combined to form the amide bond; used as a local anaesthetic.
brand name
lidocaine/prilocaine topical
Brand names: Emla, LiproZonePak, Dolotranz, Livixil Pak, and Anodyne LPT.
General Description
Prilocaine hydrochloride is a water-soluble salt available asa solution for nerve block or infiltration in dental procedures.Prilocaine is used for intravenous regional anesthesiaas the risk of CNS toxicity is low because of the quick metabolism.Prilocaine prepared in the crystal form is used inEMLA for topical administration to decrease painful needlesticks in children. Prilocaine 4% solution should be protectedfrom light and the manufacturer recommends discardingif the solution turns pinkish or slightly darker than lightyellow. Solutions are available in various concentrations upto 4%, with or without epinephrine and with or withoutpreservatives.
Pharmacology
Prilocaine is less toxic than lidocaine, with a high clearance, attributable to metabolism in the lungs, kidneys and liver. It is associated with methaemoglobinaemia at doses >600mg. It is sometimes used at a concentration of 0.5% for the provision of intravenous regional anaesthesia, and a combination of prilocaine 3% with felypressin is available for low-volume local infiltration anaesthesia in dental surgery. A 2% formulation is also available for spinal anaesthesia. Prilocaine is also formulated in a eutectic mixture with lidocaine (EMLA) for topical anaesthesia.
Clinical Use
Prilocaine metabolism has beenstudied extensively in animal models, less is known aboutthe human metabolites or the human CYP enzymes involvedin their formation . The metabolism of prilocainein the liver yields o-toluidine, which is a possiblecarcinogen. Many aromatic amines, including o-toluidinehave been shown to be mutagenic, and metabolites of otoluidinehave been shown to form DNA adducts.Metabolites of o-toluidine are also believed to be responsiblefor the methemoglobinemia observed with prilocaineuse. To decrease the potential for methemoglobinemia, strictadherence to the maximum recommended dose should befollowed. Metabolism of prilocaine is extensive with lessthan 5% of a dose excreted unchanged in the urine.
Synthesis
Prilocaine, 2-(propylamino)-o-propiontoluidine (2.2.14), is structurally related to the exact same group as ethidocaine, yet it differs structurally in that during synthesis, o-toluidine is used instead of 2,6-dimethylaniline, and instead of a butyric acid, a fragment of propionic acid, and a terminal propylethylamine group is replaced with a propylamine group. In order to synthesize prilocaine, o-toluidine is reacted with bromopropionyl bromide, and the resulting bromopropionyltoluidide (2.2.13) is then reacted with propylamine, which gives prilocaine [22,23].
Prilocaine Preparation Products And Raw materials
Raw materials
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View Lastest Price from Prilocaine manufacturers
- Product
- Prilocaine 721-50-6
- Price
- US $1.00/g
- Min. Order
- 1g
- Purity
- 0.98
- Supply Ability
- 1000
- Release date
- 2024-04-25
- Product
- Prilocaine 721-50-6
- Price
- US $1.00/g
- Min. Order
- 1g
- Purity
- 99%
- Supply Ability
- 100kg
- Release date
- 2024-03-26
- Product
- Prilocaine 721-50-6
- Price
- US $100.00-80.00/KG
- Min. Order
- 1KG
- Purity
- 99.9%
- Supply Ability
- 1000
- Release date
- 2024-03-18