| Identification | Back Directory | [Name]
4-acetamido-5-hydroxynaphthalene-2,7-disulfonic acid | [CAS]
134-34-9 | [Synonyms]
acetyl H acid
N-Acetyl H Acid
Einecs 205-139-2
16698-16-1 (Di-hydrochloride salt)
1-ACETAMIDO-8-NAPHTHOL-3,6-DISULFONIC ACID
1-Acetylamino-8-naphthol-3,6-disulfonic acid
4-acetamido-5-hydroxynaphthalene-2,7-disulfonic acid
4-acetamido-5-hydroxynaphthalene-2,7-disulphonic acid
1-Acetylamino-8-hydroxy-3,6-naphthalenedisulfonic acid
4-(acetylamino)-5-hydroxy-7-naphthalenedisulfonic acid
1-acetylamino-8-hydroxy-naphthalene-3,6-disulfonic acid
4-(acetylamino)-5-hydroxy-2,7-naphthalenedisulfonic acid
4-(Acetylamino)-5-hydroxynaphthalene-2,7-disulfonic acid
7-Naphthalenedisulfonic acid, 4-(acetylamino)-5-hydroxy-2
disodium 4-acetamido-5-hydroxynaphthalene-2,7-disulfonate
2,7-Naphthalenedisulfonic acid, 4-(acetylamino)-5-hydroxy-
1-Acetamido-8-Naphthol-3,6-Disulfonic Acid Mono-Sodium Salt | [EINECS(EC#)]
205-139-2 | [Molecular Formula]
C12H11NO8S2 | [MDL Number]
MFCD00467602 | [MOL File]
134-34-9.mol | [Molecular Weight]
361.35 |
| Raw materials And Preparation Products | Back Directory | [Preparation Products]
Tracid Red Bs-->5-(Acetylamino)-4-hydroxy-3-[[4-(phenylamino)phenyl]azo]-2,7-naphthalenedisulfonic acid disodium salt-->disodium 5-(acetylamino)-3-[(dimethylphenyl)azo]-4-hydroxynaphthalene-2,7-disulphonate-->Mordant Blue 18-->ACID VIOLET 7-->Mordant Red 51-->2,7-Naphthalenedisulfonic acid, 5-(acetylamino)-3-[[4-(4,6-dimethyl-2-benzothiazolyl)-2-methylphenyl]azo]-4-hydroxy-, disodium salt-->5-(Acetylamino)-4-hydroxy-3-[(2-hydroxy-5-nitrophenyl)azo]-2,7-naphthalenedisulfonic acid disodium salt-->5-[[4-[[4-[[4-[[8-Acetylamino-1-hydroxy-3,6-bis(sodiosulfo)-2-naphthalenyl]azo]-3-ethoxy-7-sodiosulfo-1-naphthalenyl]azo]phenyl]aminocarbonyl]phenyl]azo]-2-hydroxybenzoic acid sodium salt-->ACID RED 1-->Reactive Red 83-->tetrasodium 5-(acetylamino)-3-[[4-[[3,5-dimethyl-4-[(8-sulphonato-2-naphthyl)azo]phenyl]azo]-2-ethoxy-6-sulphonato-1-naphthyl]azo]-4-hydroxynaphthalene-2,7-disulphonate-->PONTACYL CARMINE 2B-->Reactive Blue 20 |
| Hazard Information | Back Directory | [Chemical Properties]
?4-Acetylamino-5-hydroxynaphthalene-2,7- disulfonic acid [134-34-9] , N-acetyl H acid, is produced by reacting H acid in aqueous alkaline solution with acetic anhydride at 70℃ for 1 h, followed by heating at 95 C for 2 h to hydrolyze the O-acetyl derivative (yield 88 %). It is used to produce C.I. Acid Red 1, C.I. Acid Red 35, and C.I. Acid Violet 7. |
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