H Acid

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1 Metric Ton	Negotiable

1 Metric Ton

Negotiable

2,7-Naphthalenedisulfonicacid, 4-amino-5-hydroxy-, sodium salt (1:1) H acid monosodium salt

Appearance:Gray powder
Application:Important intermediate for dyestuffs making,widely be used for reactive,acid,direct,mordant dyes production.
PackAge:25kg drum or according to PO
ProductionCapacity:500|Metric Ton|Month
Storage:
Transportation:

1, Stable and sustainable supply capacity;

2, Better price and good service.

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.

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