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Chromotropic Acid CAS Registry Number: 148-25-4 1,8-二羟基萘-3,6-二磺酸

CAS Name: 4,5-Dihydroxy-2,7-naphthalenedisulfonic acid
Additional Names: 1,8-dihydroxynaphthalene-3,6-disulfonic acid
Percent Composition: C 37.50%, H 2.52%, O 39.96%, S 20.02%

📌 参考资料/链接：
Literature References: Prepn from 4-chloro-5-hydroxy-2,7-naphthalenedisulfonic acid: DE 147852 (1904 to BASF); alternate methods: Frdl. 3, 460-466.

📄 详细内容

Derivative Type: Dihydrate
Properties: White needles, soluble in water.
Derivative Type: Disodium salt dihydrate
Percent Composition: C 30.00%, H 2.52%, Na 11.49%, O 39.97%, S 16.02%
Properties: White needles or leaflets. Very sol in water.
Use: Analytical reagent; intermediate for azo dyes.
产品链接: 148-25-4››

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