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Direct Red 23

Names

[ CAS No. ]:
3441-14-3

[ Name ]:
Direct Red 23

[Synonym ]:
2-Naphthalenesulfonic acid, 3-((4-(acetylamino)phenyl)azo)-4-hydroxy-7-((((5-hydroxy-6-(phenylazo)-7-sulfo-2-naphthalenyl)amino)carbonyl)amino)-, disodium salt
fastred4bs
Disodium 3-((4-acetamidophenyl)azo)-4-hydroxy-7-((((5-hydroxy-6-(phenylazo)-7-sulphonato-2-naphthyl)amino)carbonyl)amino)naphthalene-2-sulphonate
Directred4BS
MFCD00003946
2-Naphthalenesulfonic acid, 3-[(E)-2-[4-(acetylamino)phenyl]diazenyl]-4-hydroxy-7-[[[[5-hydroxy-6-[(E)-2-phenyldiazenyl]-7-sulfo-2-naphthalenyl]amino]carbonyl]amino]-, sodium salt (1:2)
disodium 3-{(E)-[4-(acetylamino)phenyl]diazenyl}-4-hydroxy-7-[({5-hydroxy-6-[(E)-phenyldiazenyl]-7-sulfonatonaphthalen-2-yl}carbamoyl)amino]naphthalene-2-sulfonate
redemb
Disodium 3-[(E)-(4-acetamidophenyl)diazenyl]-4-hydroxy-7-[({5-hydroxy-6-[(E)-phenyldiazenyl]-7-sulfonato-2-naphthyl}carbamoyl)amino]-2-naphthalenesulfonate
redembl
disodiumsa
polycorredse
disodiumsal
scarlet4bs
EINECS 222-348-4

Chemical & Physical Properties

[ Molecular Formula ]:
C35H25N7Na2O10S2

[ Molecular Weight ]:
813.723

[ Exact Mass ]:
813.089966

[ PSA ]:
291.29000

[ LogP ]:
10.02620

[ Index of Refraction ]:
1.745

MSDS

Safety Information

[ Personal Protective Equipment ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
2

[ RTECS ]:
QK1237500


Related Compounds