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CHROMOTROPIC ACID DISODIUM SALT DIHYDRATE CAS 5808-22-0

CHROMOTROPIC ACID DISODIUM SALT DIHYDRATE CAS 5808-22-0

Chemical name: CHROMOTROPIC ACID DISODIUM SALT DIHYDRATE

Synonymous names:2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-, ion(2-)；4,5-dihydroxynaphthalene-2,7-disulfonate；4,5-Dihydroxy-2,7-naphthalenedisulfonate

CAS No:5808-22-0

Molecular formula:C10H11NaO9S2

Molecular weight:362.3

EINECS No:611-619-6

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Structural formula：

Product Description：

Items	Specifications
Appearance	Yellow brown powder
Assay	98%

Properties and Usage:

CHROMOTROPIC ACID DISODIUM SALT DIHYDRATE is a strong oxidant used in metal surface treatment, dye manufacturing, chemical synthesis and other fields.

1. Metal surface treatment: CHROMOTROPIC ACID DISODIUM SALT DIHYDRATE is used for anodizing of aluminum and magnesium alloys to improve corrosion resistance and stability; as an electroplating additive, it improves the gloss and uniformity of the electroplated layer.

2. Dye and pigment industry: used to produce dyes such as chrome yellow and chrome orange to enhance gloss and durability.

3. Chemical synthesis: used to oxidize alcohols to generate aldehydes or ketones.

4. Wood preservation: used for wood preservation to extend the service life of wood.

5. Other applications: CHROMOTROPIC ACID DISODIUM SALT DIHYDRATE can also improve color in glass and ceramic production, and improve durability in leather processing and waterproof fabric processing.

Storage conditions: Store below +30°C.

Packing: This product is packed in 25kg cardboard drums, and it can also be customized according to customers' requirements