3-amino-4,5-dihydroxynaphthalene-2,7-disulfonic acid

Modify Date: 2023-01-17 19:35:30

3-amino-4,5-dihydroxynaphthalene-2,7-disulfonic acid Structure
3-amino-4,5-dihydroxynaphthalene-2,7-disulfonic acid structure
Common Name 3-amino-4,5-dihydroxynaphthalene-2,7-disulfonic acid
CAS Number 31232-21-0 Molecular Weight 335.31000
Density 1.993g/cm3 Boiling Point N/A
Molecular Formula C10H9NO8S2 Melting Point N/A
MSDS N/A Flash Point N/A

 Names

Name 3-amino-4,5-dihydroxynaphthalene-2,7-disulfonic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.993g/cm3
Molecular Formula C10H9NO8S2
Molecular Weight 335.31000
Exact Mass 334.97700
PSA 191.98000
LogP 3.06940
Index of Refraction 1.796

 Safety Information

HS Code 2922299090

 Synthetic Route

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3-amino-4,5-dihydroxynaphthalene-2,7-disulfonic acid Structure

3-amino-4,5-dih...

CAS#:31232-21-0

Literature: Hantower; Taeuber Chemische Berichte, 1898 , vol. 31, p. 2158 Full Text Show Details Hoechster Farbw. Patent: DE77552 ; Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 4, p. 1067

~%

3-amino-4,5-dihydroxynaphthalene-2,7-disulfonic acid Structure

3-amino-4,5-dih...

CAS#:31232-21-0

Literature: Hantower; Taeuber Chemische Berichte, 1898 , vol. 31, p. 2158

 Customs

HS Code 2922299090
Summary 2922299090. other amino-naphthols and other amino-phenols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

 Synonyms

3-amino-4,5-dihydroxy-naphthalene-2,7-disulfonic acid
3-Amino-4,5-dihydroxy-naphthalin-2,7-disulfonsaeure
2-Amino-1,8-dihydroxy-3,6-naphthalenedisulfonic acid
Aminochromotropsaeure
2,7-Naphthalenedisulfonic acid,3-amino-4,5-dihydroxy
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