1,3-Bis(4,5-dihydro-2-oxazolyl)benzene 34052-90-9

Appearance:White crystals or crystallized powderAssay:99.5%min.
Identification-infrared 
Spectrum:In accordance with spectrum of standard α-Arbutin
PH:5.0-7.0
Melting Point:202°C~210°C
Optical Rotation:+175°~+185°
Loss on Drying:0.5% max.
Residue on ignition:0.5%max.
Transmitta...

Appearance:White to light yellow powder or crystalline particlesAssay(by titration):98%min.
Dichloromethane solution:Slightly cloudy or clear solution

Appearance: Colorless transparent liquidAssay: 98.5%min
Refractive index: 1.550 to 1.560
BP: 144degC to 146degC
Density: 1.120 to 1.124g/ml

Appearance:White crystalline powderPurity(HPLC):99%min.
M.P:76 to 78°C

Appearance:Off-white powderPurity:99%min

Appearance:colorless to light yellow liquidPurity:99%min.

Description:A white powder or Pallide-flavens powderValence(on dry basis):3.0EPU/mg min.
PH:5.0～7.0Water Content:6.0%max.
Protein of higher molecular mass:3.0%max.
Pyrogen:Conformity
Abnormal toxity:Conformity
Depressor Substance:Conformity

Appearance:white to light yellow crystalline powderPurity:99%min
Water:0.3%max

Appearance:white flake crystalAssay:99%min
MP:121 to 126 deg C
Residue on ignition:0.5%max
Water:0.5%max

Appearance:white to off white crystalAssay:98%min
MP:128-131deg C
Relate substance:2%max
Water:0.7%max

Appearance:white crystalline powderAssay(HPLC):99.0% min
Clarity of the solution(1mol in 2ml DMF):clear and transparent
Melting point:200degC min
Loss on drying:0.5% max

Specs:
Appearance: Colorless or light yellow transparent liquid
Assay: 98%min