(1)Chemical name:2-Hydroxy-(3,-morpholino propyl)-3-naphthamide)
English name: 2-Hydroxy-(3,-morpholino propyl)-3-naphthamide)
Structure formula:
Molecular formula:C11H9NO2
CAS:3665-51-8
Quality standard:
No. |
Item |
Indicator |
1 |
Appearance |
Light yellow crystal |
2 |
Amount |
≥96% |
3 |
Melting point |
139±2℃ |
4 |
Crystal surface PH value |
≤7.5 |
5 |
Dissolved in citric acid |
Shouldn't have flocculent
insolubility |
Packing:fiber drum， 25Kg/ barrel
⑵Chemical name:2,3 - dihydroxynaphthalene -6-- sodium
（ coupler 1 ）
English name: 2.3-Dihydroxynaphthalene-b-Sulphonic acid Na-salt
Molecular formula:C10H7NaO5S
CAS:135-53-5
Structure formula:
Quality indicator:
Amount: |
≥98% |
Iron: |
10PPM |
Water solution PH value: |
≤3-7 |
Appearance: |
White crystalline powder |
Packing: 25kg/fiber drum |
|
(3) 2,3 - dihydroxynaphthalene
；
English name: 2,3-Dihydroxylnaphthalene(coupler 11)
CAS NO 92-44-4
Structure formula:
Quality indicator:Appearance，grayish white or light red powder.
Amount ≥ 98% Melting point 162 — 164 ℃
(4) 3,5 - Dihydroxy-4 - bromophenyl formamide
CAS NO 56375-85-0
English name: 4-Brom-3,5-dihydroxy-benzoicacid-N-methylamide-1/2Hydrat
Structure formula:
 |
