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Name |
2-Naphthylamine-5,7-disulfonic acid |
EINECS | 204-246-1 |
CAS No. | 118-33-2 | Density | 1.77 g/cm3 |
PSA | 151.52000 | LogP | 3.65820 |
Solubility | 229g/L at 15℃ | Melting Point |
N/A |
Formula | C10H9NO6S2 | Boiling Point | 568.34℃[at 101 325 Pa] |
Molecular Weight | 303.317 | Flash Point | N/A |
Transport Information | UN 1759 | Appearance | N/A |
Safety | Risk Codes | N/A | |
Molecular Structure | Hazard Symbols | N/A | |
Synonyms |
6-aminonaphthalene-1,3-disulfonic acid;2-Amino-5, 7-naphthalenedisulfonic acid;2-Naphthylamine, 5,7-disulfo-;Kyselina amino-i;.beta.-Naphthylamine-5,7-disulfonic acid;6-AMINO-NAPHTHALENE-1,3-DISULFONIC ACID;Naphthalene-1,3-disulfonic acid, 6-amino-;6-Amino-1, 3-naphthalenedisulfonic acid;Amino-J-acid;Amino-I acid;1,3-Naphthalenedisulfonic acid,6-amino-;2-Aminonaphthalene-5,7-disulfonic acid;6-Amino-1,3-naphthalenedisulfonic acid;2-Naphthylamine-5, 7-disulfonic acid;2-Naftylamin-5,7-disulfonan sodny;Amino-J acid;1, 3-Naphthalenedisulfonic acid, 6-amino-; |
Article Data | 14 |
6-aminonaphthalene-1-sulfonic acid
A
6-amino-naphthalene-1,3-disulfonic acid
B
2-amino-1,5-naphthalenedisulfonic acid
Conditions | Yield |
---|---|
With sulfuric acid at 20℃; | |
With sulfuric acid |
2-Aminonaphthalene-1,5,7-trisulfonic acid
6-amino-naphthalene-1,3-disulfonic acid
Conditions | Yield |
---|---|
With mineral acid |
sulfuric acid
7-aminonaphthalene-2-sulfonic acid
A
6-amino-naphthalene-1,3-disulfonic acid
B
6-amino-1,4-naphthalene disulfonic acid
C
2-Aminonaphthalene-1,7-disulfonic acid
naphthalen-2-ylamine
A
6-amino-naphthalene-1,3-disulfonic acid
B
2-aminonaphthalene-6,8-disulfonate
Conditions | Yield |
---|---|
at 50 - 85℃; Eingiessen in Eiswasser, Filtrieren und Erhitzen des Filtrats zum Sieden; | |
Giessen in Eiswasser; |
Conditions | Yield |
---|---|
With sulfuric acid |
2-Aminonaphthalene-1,5,7-trisulfonic acid
6-amino-naphthalene-1,3-disulfonic acid
2-aminonaphthalenesulfonic acid
A
6-amino-naphthalene-1,3-disulfonic acid
B
2-aminonaphthalene-6,8-disulfonate
Conditions | Yield |
---|---|
With sulfuric acid; sulfur trioxide In water | A n/a B 9.5 %. |
6-amino-naphthalene-1,3-disulfonic acid
Conditions | Yield |
---|---|
Stage #1: 6-amino-naphthalene-1,3-disulfonic acid With hydrogenchloride; sodium nitrite In water at 0 - 5℃; Stage #2: With hydrogenchloride; sodium iodide In water at 0 - 50℃; | 33% |
phosgene
6-amino-naphthalene-1,3-disulfonic acid
6,6'-ureylene-bis-naphthalene-1,3-disulfonic acid
Conditions | Yield |
---|---|
With sodium carbonate |
IUPAC Name: 6-Aminonaphthalene-1,3-disulfonic acid
Synonyms : 6-Amino-1,3-naphthalenedisulfonic acid
Molecular Structure :
Molecular Formula : C10H9NO6S2
Molecular Weight : 303.30
CAS NO: 118-33-2
EINECS : 204-246-1
Index of Refraction: 1.733
Density: 1.769 g/cm3
Mol File: 118-33-2.mol
Appearance: 6-Aminonaphthalene-1,3-disulfonic acid (CAS NO. 118-33-2) is white shiny long prismatic needle-like crystal,
Product Categories: Intermediates of Dyes and Pigments;Anilines, Aromatic Amines and Nitro Compounds;Organic acids
6-Aminonaphthalene-1,3-disulfonic acid (CAS NO. 118-33-2) is used for dye intermediates,mainly is the intermediates to produce J acid, double-J Acid, Phenyl J acid and scarlet acid.
Production methods: 6-Aminonaphthalene-1,3-disulfonic acid (CAS NO. 118-33-2) is derived from hydrolysis of 2 - Naphthylamine -1,5,7 - 3-sulfonic acid . put sulfuric acid, sodium sulfate and 2 - naphthylamine -1,5,7 - 3-sulfonic acid in water at 110-120 °C 4h, cooling and filtering, washing in sodium sulfate solution, filtered cake obtained , which is 6-Aminonaphthalene-1,3-disulfonic acid (CAS NO. 118-33-2).
1. | skn-rbt 2 mg/24H SEV | 85JCAE Prehled Prumyslove Toxikologie; Organicke Latky Marhold, J.,Prague, Czechoslovakia.: Avicenum,1986,1059. | ||
2. | eye-rbt 750 µg/24H SEV | 28ZPAK Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku Marhold, J.V.,Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha,Czechoslovakia.: 1972,189. | ||
3. | orl-rat LD50:2000 mg/kg | 28ZPAK Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku Marhold, J.V.,Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha,Czechoslovakia.: 1972,189. |
Reported in EPA TSCA Inventory.
RIDADR 1759
HazardClass 8
PackingGroup III