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Top Quality Ortho Phthalaldehyde CAS 643-79-8 O-Phthalaldehyde
Top Quality Ortho Phthalaldehyde CAS 643-79-8 O-Phthalaldehyde
Top Quality Ortho Phthalaldehyde CAS 643-79-8 O-Phthalaldehyde
Top Quality Ortho Phthalaldehyde CAS 643-79-8 O-Phthalaldehyde
Top Quality Ortho Phthalaldehyde CAS 643-79-8 O-Phthalaldehyde
Top Quality Ortho Phthalaldehyde CAS 643-79-8 O-Phthalaldehyde

Top Quality Ortho Phthalaldehyde CAS 643-79-8 O-Phthalaldehyde

Min.Order: 1
Product origin: Changsha, Hunan, China
Infringement complaint: complaintComplaint
US$ 50 ~ 140

Description
Top Quality Ortho Phthalaldehyde CAS 643-79-8 O-Phthalaldehyde
O-Phthalaldehyde or ortho-phthalaldehyde (OPA) is the chemical compound with the formula C6H4(CHO)2. Often abbreviated OPA, the molecule is a dialdehyde, consisting of two formyl (CHO) groups attached to adjacent carbon centres on a benzene ring. 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.
ItemSpecification
Assay>98%
AppearanceYellow powder
OdorCharacteristic
TasteCharacteristic
Particle SizeNLT 100% Through 80 mesh
Loss on Drying<2.0%
Heavy metals≤10ppm
Arsenic≤3ppm
Lead≤3ppm
<2.0%
Total Plate Count≤1000cfu/g
Total Yeast & Mold≤100cfu/g
E.ColiNegative
SalmonellaNegative
 

 

 
 
 
 
 
 
 
 
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