2-Hydroxybenzothiazole
CAS:934-34-9 Product spec:99% min. (GC )
Appearance: beige crystal granule
Assay: 99% min. (GC )
Package: 25kg fibre drum
2-Nitroacetophenone
CAS:.577-59-3 Product spec:98% min.
MF: C8H7NO3
Structure:
Appearance: colorless to light yellow solid or liquid
Density: 1.23gcm3
MP: 28-30°C
Application: used as intermediate for light-sensitive material and pharmacy
4-Bromoaniline
CAS:106-40-1 Product spec:99%min. (GC)
MF: BrC6H4NH2
Appearance: off-white crystal
Assay: 99%min. (GC)
Moisture: 0.5%min.
1,10-Phenanthroline monohydrate
CAS:5144-89-8 Product spec:99% min.(AR)
Appearance: white crystal
Assay: 99% min.(AR)
Molar absorptivity of iron complex Lcm.mol : Min. 1.15 X 104
Dissolution test in ethanol: qualified
Residue on ignition ( as Sulfate) : 0.1% max.
M..
N,N’-di(1-naphthyl)-4,4'-benzidine
CAS:152670-41-2 Product spec:98%min.
CAS No.: 152670-41-2
Molecular Formula:C32H24N2
Molecular Structure:
Appearance: off-white powder
Assay: 98%min.
Moisture: 0.5% max
Impurities: 0.5% max.
Package:..
2'-Aminoacetophenone
CAS:551-93-9 Product spec:98% min.
MF: C8H9NO
Appearance: colorless liquid
Assay: 98% min.
Application: Used as intermediates for oil-soluble color-former