4,7-dihydroxynaphthalene-2-sulphonic acid

Modify Date: 2024-01-30 13:11:08

4,7-dihydroxynaphthalene-2-sulphonic acid Structure
4,7-dihydroxynaphthalene-2-sulphonic acid structure
Common Name 4,7-dihydroxynaphthalene-2-sulphonic acid
CAS Number 6357-94-4 Molecular Weight 240.23300
Density 1.677g/cm3 Boiling Point N/A
Molecular Formula C10H8O5S Melting Point N/A
MSDS N/A Flash Point N/A

 Names

Name 4,7-dihydroxynaphthalene-2-sulfonic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.677g/cm3
Molecular Formula C10H8O5S
Molecular Weight 240.23300
Exact Mass 240.00900
PSA 103.21000
LogP 2.57850
Index of Refraction 1.739

 Safety Information

HS Code 2908999090

 Synthetic Route

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4,7-dihydroxynaphthalene-2-sulphonic acid Structure

4,7-dihydroxyna...

CAS#:6357-94-4

Literature: Akt.-Ges.f.Anilinf. Patent: DE42270 ; Full Text Show Details Akt.-Ges.f.Anilinf. Patent: DE42261 ; Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 1, p. 400,401

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4,7-dihydroxynaphthalene-2-sulphonic acid Structure

4,7-dihydroxyna...

CAS#:6357-94-4

Literature: Bad.Anilin- u.Sodaf. Patent: DE134401 ; Full Text Show Details Bucherer Journal fuer Praktische Chemie (Leipzig), 1904 , vol. <2> 69, p. 73 Journal fuer Praktische Chemie (Leipzig), 1904 , vol. <2> 70, p. 349

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4,7-dihydroxynaphthalene-2-sulphonic acid Structure

4,7-dihydroxyna...

CAS#:6357-94-4

Literature: Bad. Anilin- u. Sodaf. Patent: DE134401 ; Full Text Show Details Bucherer Journal fuer Praktische Chemie (Leipzig), 1904 , vol. <2> 69, p. 73 Journal fuer Praktische Chemie (Leipzig), 1904 , vol. <2> 70, p. 349

 Customs

HS Code 2908999090
Summary 2908999090 halogenated, sulphonated, nitrated or nitrosated derivatives of phenols or phenol-alcohols。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

 Synonyms

4,7-dihydroxy-naphthalene-2-sulfonic acid
2-Naphthalenesulfonicacid,4,7-dihydroxy
1,6-Dihydroxynaphthalene-3-sulfonicacid
2,5-Dihydroxy-naphthalin-7-sulfonsaeure
EINECS 228-759-5
4,7-Dihydroxynaphthalene-2-sulphonic acid
4,7-Dihydroxy-naphthalin-2-sulfonsaeure
Dioxy-J acid
3,8-Dihydroxy-6-naphthalenesulfonic acid