China (Mainland)
H Acid CAS NO.5460-09-3
- Min.Order: 1 Metric Ton
- Payment Terms:
- Product Details
Keywords
- 2,7-Naphthalenedisulfonicacid, 4-amino-5-hydroxy-, sodium salt (1:1)
- H acid monosodium salt
Quick Details
- ProName: H Acid
- CasNo: 5460-09-3
- Molecular Formula: C10H8O7NS2Na
- Appearance: Gray powder
- Application: Important intermediate for dyestuffs m...
- PackAge: 25kg drum or according to PO
- Port: Shanghai
- ProductionCapacity: 500 Metric Ton/Month
- Purity: ≥85%
- LimitNum: 1 Metric Ton
- Purity %: ≥85%
- Alkaline undissolved matter A: ≤0.2%
- Chromotropic acid double salt: ≤2%
- T acid double salt: ≤0.5%
- Moisture: ≤5%
Superiority
1, Stable and sustainable supply capacity;
2, Better price and good service.
Details
1, Solubility 0.17% in 20℃ water;
2, Solubility 2.40% in 60℃ water;
3, Nosoluable in alcohol and ether;
4, Soluable in alkali,sodium carbonate and ammonia solution;
5, Dilute solution of H acid shows blue red fluorescence light;
6, Coupling in both acidic and alkali solutions;
7, Getting dark soon when it in acidic and alkali solutions;
8, React with nitrite to yield diazocompound,the diazocompound soluable in soda and alkali solutions;
9, Shows mauve color when solute in soda solution;
10, Shows deep green color when solute in alkali solutions.