Chromotrope 2B
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Product Description
Product
Chromotrope 2B
CAS
548-80-1
Formula
C16H9N3Na2O10S2
Synonym
2,7-Naphthalenedisulfonicacid,4,5-dihydroxy-3-[(4-nitrophenyl)azo-]-,disodiumsalt; 4-(P-NITROPHENYLAZO)CHROMOTROPIC ACID SODIUM SALT; 4,5-DIHYDROXY-3-(P-NITROPHENYLAZO)-2,7-NAPHTHALENEDISULFONIC; 4,5-DIHYDROXY-3-(P-NITROPHENYLAZO)-2,7-NAPHTHALENEDISULFONIC ACID DISODIUM SALT; 7-naphthalenedisulfonicacid,4,5-dihydroxy-3-[(4-nitrophenyl)azo]-disodium; ACID RED 176; AcidRed176(16575); Chromotropicacid2B
Typical Product Specifications
Molecular weight
513.37
EINECS
208-959-9
SMILES
[Na+].[Na+].Oc1cc(cc2C=C(/C(=N/Nc3ccc(cc3)[N+]([O-])=O)C(=O)c12)[S]([O-])(=O)=O)[S]([O-])(=O)=O
BRN Number
4109733
Merck
14,2240
Melting Point
300 °C
Colour Index
16575
Class
Chromotrope 2B
Product Description
Product
Chromotrope 2B
CAS
548-80-1
Formula
C16H9N3Na2O10S2
Synonym
2,7-Naphthalenedisulfonicacid,4,5-dihydroxy-3-[(4-nitrophenyl)azo-]-,disodiumsalt; 4-(P-NITROPHENYLAZO)CHROMOTROPIC ACID SODIUM SALT; 4,5-DIHYDROXY-3-(P-NITROPHENYLAZO)-2,7-NAPHTHALENEDISULFONIC; 4,5-DIHYDROXY-3-(P-NITROPHENYLAZO)-2,7-NAPHTHALENEDISULFONIC ACID DISODIUM SALT; 7-naphthalenedisulfonicacid,4,5-dihydroxy-3-[(4-nitrophenyl)azo]-disodium; ACID RED 176; AcidRed176(16575); Chromotropicacid2B
Typical Product Specifications
Molecular weight
513.37
EINECS
208-959-9
SMILES
[Na+].[Na+].Oc1cc(cc2C=C(/C(=N/Nc3ccc(cc3)[N+]([O-])=O)C(=O)c12)[S]([O-])(=O)=O)[S]([O-])(=O)=O
BRN Number
4109733
Merck
14,2240
Melting Point
300 °C
Colour Index
16575
Class
