What is the molar mass of Phthalaldehyde?
| IUPAC Name | phthalaldehyde |
|---|---|
| Alternative Names | Benzene-1,2-dicarboxaldehyde 1,2-Benzenedicarboxaldehyde Phthalic aldehyde |
| Molecular Formula | C8H6O2 |
| Molar Mass | 134.134 g/mol |
| InChI | InChI=1S/C8H6O2/c9-5-7-3-1-2-4-8(7)6-10/h1-6H |
What is Ortho-Phthalaldehyde used for?
Ortho-Phthalaldehyde (OPA) has been approved for high-level sterilization of heat-sensitive medical instruments and is increasingly being used as a replacement in the healthcare industry for glutaraldehyde, a known sensitizer.
What is the structure of Phthalaldehyde?
Phthalaldehyde (sometimes also o-phthalaldehyde or ortho-phthalaldehyde, OPA) is the chemical compound with the formula C6H4(CHO)2. It is one of three isomers of benzene dicarbaldehyde, related to phthalic acid.
What is the unique characteristic of an ortho-Phthalaldehyde?
OPA has several potential advantages compared with glutaraldehyde. It has excellent stability over a wide pH range (pH 3 to 9), is not a known irritant to the eyes and nasal passages, does not require exposure monitoring, has a barely perceptible odor, and requires no activation.
How is OPA reagent prepared?
The OPA reagent is prepared by mixing (a) 99 ml of 3% (w/v) boric acid in water (pH adjusted to 10.5 with KOH), (b) 1 ml of ethanol containing 50 mg of OPA, and (c) 50 μ1 of 2-mercaptoethanol. The OPA reagent is stable for approximately 1 week when stored in the refrigerator.
What is OPA cleaner?
Intended Use: CIDEX® OPA Solution is a high level disinfectant for reprocessing heat sensitive reusable semi-critical medical devices, for which sterilization is not feasible, and when used according to the Directions for Use. a minimum of 25ΥC: High Level Disinfectant at a minimum of 25ΥC (77ΥF).
Does cidex Opa need ventilation?
CIDEX disinfectant is often preferred since it is virtually odorless. CIDEX does not require any special ventilation since it does not cause irritation to the eyes or nasal passages, but it is best to use in a well-ventilated area. Avoid contact with eyes, skin, and clothing.
How do you disinfect an endoscope?
Endoscopic instruments do not tolerate autoclaving. A new method of sterilizing by moist heat has been used in the laboratory and shown to be an improvement. It involves immersing the contaminated instrument in a waterbath at 85° C. for one hour.
What is OPA reagent?
Thermo Scientific Pierce Fluoraldehyde OPA Reagent is a ready-to-use solution of o-phthalaldehyde, a fluorescent derivatization reagent for peptide or amino acid detection and quantitation in HPLC. Reaction of OPA with proteins and peptides yields linear results over a wide range of concentrations.
What is OPA method?
A rapid and convenient spectrophotometric assay has been devised to measure proteolysis. The utility of the OPA method was demonstrated by measuring the degree of proteolytic degradation caused by trypsin, subtilisin, Pronase, and chymotrypsin of various soluble protein substrates.
What is the formula for the compound phthalaldehyde?
?) Phthalaldehyde (sometimes also o-phthalaldehyde or ortho-phthalaldehyde, OPA) is the chemical compound with the formula C 6 H 4 (CHO) 2. It is one of three isomers of benzene dicarbaldehyde, related to phthalic acid.
When did phthalaldehyde become a high level disinfectant?
Ortho-phthalaldehyde Ortho-phthalaldehyde (OPA) is a high-level disinfectant that received FDA clearance in October 1999. It contains at least 0.55% 1,2-benzenedicarboxaldehyde or OPA, and it has supplanted glutaraldehyde as the most commonly used “aldehyde” for high-level disinfection in the United States.
How is benzene dicarbaldehyde related to phthalaldehyde?
It is one of three isomers of benzene dicarbaldehyde, related to phthalic acid. This pale yellow solid is a building block in the synthesis of heterocyclic compounds and a reagent in the analysis of amino acids. OPA dissolves in water solution at pH < 11.5. Its solutions degrade upon UV illumination and exposure to air.
How is phthalaldehyde used as an enzymology method?
Xuechen Li, in Methods in Enzymology, 2020 Ortho-Phthalaldehyde (OPA)-amine reaction and OPA-amine-thiol reaction have been developed to effectively modify native peptides and proteins under the physiological conditions.