31232-21-0

31232-21-0 structure
31232-21-0 structure
  • Name: 3-amino-4,5-dihydroxynaphthalene-2,7-disulfonic acid
  • Chemical Name: 3-amino-4,5-dihydroxynaphthalene-2,7-disulfonic acid
  • CAS Number: 31232-21-0
  • Molecular Formula: C10H9NO8S2
  • Molecular Weight: 335.31000
  • Create Date: 2016-11-07 14:33:14
  • Modify Date: 2024-09-16 14:02:06

Name 3-amino-4,5-dihydroxynaphthalene-2,7-disulfonic acid
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
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
HS Code 2922299090

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31232-21-0 structure

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

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31232-21-0 structure

31232-21-0

Literature: Hantower; Taeuber Chemische Berichte, 1898 , vol. 31, p. 2158
Precursor  2

DownStream  1

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%