CAS No.6507-78-4,Acid Red 374 Suppliers

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Basic Information

Molecular Structure:
CAS No.:	6507-78-4
Name:	Acid Red 374

Formula:	C₃₈H₃₂N₄O₁₁S₃ . 3Na
Molecular Weight:	882.8214
Synonyms:	1,3-Naphthalenedisulfonicacid,7-hydroxy-8-[[4-[1-[4-[(1-hydroxy-4-sulfo-2-naphthalenyl)azo]phenyl]cyclohexyl]phenyl]azo]-,trisodium salt (9CI);1,3-Naphthalenedisulfonic acid,7-hydroxy-8-[[p-[1-[p-[(1-hydroxy-4-sulfo-2-naphthyl)azo]phenyl]cyclohexyl]phenyl]azo]-,trisodium salt (8CI);Acid Milling Red FG;Acid Red FG;Acid Scarlet 2G;AcidScarlet 2Zh;Acid Scarlet FG;Best Acid Milling Scarlet F 2G;C.I. 24785;C.I.Acid Red 374;Colorosacid Scarlet 2G;Dycosweak Acid Red FG;Kenamide Scarlet KBR;Kenanthrol Scarlet BR;Sandolan Scarlet N-GR;Supranol Scarlet FG;Triacid FastScarlet GFS;
EINECS:	229-397-0
PSA:	286.64000
LogP:	11.43990

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Specification

The C.I.Acid Red 374 with cas registry number of 6507-78-4 is a kind of dyes. Its EINECS registry number is 229-397-0. Its systematic name is called trisodium 7-hydroxy-8-[4-[1-[4-[(1-hydroxy-4-sulfonato-2-naphthyl)azo]phenyl]cyclohexyl]phenyl]azo-naphthalene-1,3-disulfonate. And its IUPAC name is also called trisodium (8Z)-7-oxo-8-[[4-[1-[4-[(2E)-2-(1-oxo-4-sulfonatonaphthalen-2-ylidene)hydrazinyl]phenyl]cyclohexyl]phenyl] hydrazinylidene]naphthalene-1,3-disulfonate.

This chemical is dark red powder. It is soluble in water and the solution shows orange-red. The solution is still orange-red after adding concentrated hydrochloric acid. When adding concentrated sodium hydroxide, the solution will become orange brown. This chemical is slightly soluble in ethanol with appearance of golden brown. It will show red purple in concentrated sulfuric acid. After diluted, it will show orange. It is mainly used for wool fabric dyeing.

Physical properties about this chemical are: (1)#H bond acceptors: 15; (2)#H bond donors: 5; (3)#Freely Rotating Bonds: 11; (4)Polar Surface Area: 286.64 Å².

You can still convert the following datas into molecular structure:
(1)InChI: InChI=1/C38H32N4O11S3.3Na/c43-32-17-8-23-20-28(54(45,46)47)21-34(56(51,52)53)35(23)36(32)42-40-27-15-11-25(12-16-27)38(18-4-1-5-19-38)24-9-13-26(14-10-24)39-41-31-22-33(55(48,49)50)29-6-2-3-7-30(29)37(31)44;;;/h2-3,6-17,20-22,43-44H,1,4-5,18-19H2,(H,45,46,47)(H,48,49,50)(H,51,52,53);;;/q;3*+1/p-3/b41-39+,42-40+;;;
(2)Smiles: S(c1c2c(\N=N\c3ccc(C4(c5ccc(\N=N\c6cc(S([O-])(=O)=O)c7ccccc7c6O)cc5)CCCCC4)cc3)c(O)ccc2cc(S([O-])(=O)=O)c1)([O-]); (5)(=O)=O.[Na+].[Na+].[Na+]