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4-hydroxy-7-[(5-hydroxy-7-sulfonaphthalen-2-yl)amino]naphthalene-2-sulfonic acid

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Origin: China

Cas No: 87-03-6

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 87-03-6 Formula: C20H15NO8S2 Molecular Weight: 461.46500

Basic Info

Chemical Name	4-hydroxy-7-[(5-hydroxy-7-sulfonaphthalen-2-yl)amino]naphthalene-2-sulfonic acid
Synonyms	RW acid; I Acid Imide; 6,6'-Iminobis(1-hydroxy-3-sulfonaphthalene); Di-J acid; Rhoduline Acid; 2,2-DIMETHYL-6-NITRO-CHROMAN-4-ONE; 4,4'-Dihydroxy-7,7'-imino-bis-naphthalin-2-sulfonsaeure; 2-Naphthalenesulfonic acid,7'-iminobis[4-hydroxy; 4,4'-dihydroxy-7,7'-imino-bis-naphthalene-2-sulfonic acid; 5.5'-Dioxy-(di-naphthyl-(2)-amin)-disulfonsaeure-(7.7'); J Acid Imide; 4,4'-dihydroxy-7,7'-iminodi(naphthalene-2-sulfonic acid); Bis-(5-hydroxy-7-sulfo-naphthyl-(2))-amin;
CAS No.	87-03-6
Molecular Formula	C20H15NO8S2
Molecular Weight	461.46500
PSA	177.99000
LogP	5.87580

Properties

Appearance & Physical State	Grey-yellow Paste
Density	1.734
Refractive Index	1.802

Safety Info

HS Code	2934999090

Synthesis Route

7-amino-4-hydroxy-2-naphthalenesulfonic acid→4-hydroxy-7-[(5-hydroxy-7-sulfonaphthalen-2-yl)amino]naphthalene-2-sulfonic acid

Precursor

7-amino-4-hydroxy-2-naphthalenesulfonic acid

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