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| CAS No.: | 117-62-4 |
|---|---|
| Name: | 2-Amino-1,5-naphthalenedisulfonic acid |
| Molecular Structure: | |
|
|
|
| Formula: | C10H9NO6S2 |
| Molecular Weight: | 303.317 |
| Synonyms: | 2-Amino-1,5-naphthalene disulfonic acid;2-Naphthylamine-1,5-disulfonic acid;AI3-52456;BRN 2888645;Kyselina 2-naftylamin-1,5-disulfonova;Kyselina sulfo-tobiasova;NSC 60279;Tobias acid, 5-sulfo-; |
| EINECS: | 204-201-6 |
| Density: | 1.769 g/cm3 |
| Melting Point: | > 300oC |
| Boiling Point: | 205.8°C (rough estimate) |
| Solubility: | Soluble in water |
| Appearance: | Beige powder |
| Hazard Symbols: |
 Xi, C
|
| Risk Codes: | 36-34 |
| Safety: | 26-28A |
| PSA: | 151.52000 |
| LogP: | 3.65820 |
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- 81-05-0
6-aminonaphthalene-1-sulfonic acid
A
- 118-33-2
6-amino-naphthalene-1,3-disulfonic acid
B
- 117-62-4
2-amino-1,5-naphthalenedisulfonic acid
| Conditions | Yield |
|---|---|
| With sulfuric acid at 20℃; | |
| With sulfuric acid |
| Conditions | Yield |
|---|---|
| With sulfuric acid at 30 - 40℃; | |
| With sulfuric acid |
- 7664-93-9
sulfuric acid
- 81-05-0
6-aminonaphthalene-1-sulfonic acid
A
- 118-33-2
6-amino-naphthalene-1,3-disulfonic acid
B
- 117-62-4
2-amino-1,5-naphthalenedisulfonic acid
- 117-62-4
2-amino-1,5-naphthalenedisulfonic acid
- 7538-88-7
4-(4,6-dichloro-[1,3,5]triazin-2-ylamino)-5-hydroxy-naphthalene-2,7-disulfonic acid
- 57583-84-3
C23H14Cl2N6O13S4
| Conditions | Yield |
|---|---|
| With hydrogenchloride; sodium nitrite at 8 - 10℃; for 1h; pH=6 - 6.5; | 65% |
- 117-62-4
2-amino-1,5-naphthalenedisulfonic acid
- 94386-30-8
1,2-Naphthochinon-2-diazid-5-sulfonsaeure
| Conditions | Yield |
|---|---|
| Behandlung mit Soda.Diazotization; | |
| Behandlung mit Soda in Gegenwart von Oxydationsmitteln.Diazotization; |
| Conditions | Yield |
|---|---|
| at 240℃; bei der Kalischmelze unter Druck; | |
| Multi-step reaction with 2 steps 1: durch Kalischmelze 2: 240 °C / bei der Kalischmelze unter Druck View Scheme |
| Conditions | Yield |
|---|---|
| With sulfuric acid at 130℃; |
- 117-62-4
2-amino-1,5-naphthalenedisulfonic acid
- 871887-69-3
2-amino-5-hydroxy-naphthalene-1-sulfonic acid
| Conditions | Yield |
|---|---|
| With potassium hydroxide | |
| With potassium hydroxide at 210 - 230℃; | |
| durch Kalischmelze; |
| Conditions | Yield |
|---|---|
| With sulfuric acid | |
| With sulfuric acid at 100 - 107℃; | |
| With sulfuric acid |
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Consensus Reports
Specification
The 2-Amino-1,5-naphthalenedisulfonic acid with CAS registry number of 117-62-4 is also known as 2-Naphthylamine-1,5-disulfonic acid. The IUPAC name is 2-Aminonaphthalene-1,5-disulfonic acid. It belongs to product categories of Intermediates of Dyes and Pigments; Organic acids. Its EINECS registry number is 204-201-6. In addition, the formula is C10H9NO6S2 and the molecular weight is 303.31. This chemical is a beige powder. Besides, it is used as dye intermediate.
Physical properties about 2-Amino-1,5-naphthalenedisulfonic acid are: (1)ACD/LogP: -0.43; (2)ACD/LogD (pH 5.5): -4.93; (3)ACD/LogD (pH 7.4): -4.93; (4)ACD/BCF (pH 5.5): 1; (5)ACD/BCF (pH 7.4): 1; (6)ACD/KOC (pH 5.5): 1; (7)ACD/KOC (pH 7.4): 1; (8)#H bond acceptors: 7; (9)#H bond donors: 4; (10)#Freely Rotating Bonds: 3; (11)Index of Refraction: 1.733; (12)Molar Refractivity: 68.62 cm3; (13)Molar Volume: 171.3 cm3; (14)Surface Tension: 90.1 dyne/cm; (15)Density: 1.769 g/cm3.
When you are using this chemical, please be cautious about it. As a chemical, it is irritating to eyes and can cause burns. If contact with eyes accidently, rinse immediately with plenty of water and seek medical advice.
You can still convert the following datas into molecular structure:
1. Canonical SMILES: C1=CC2=C(C=CC(=C2S(=O)(=O)O)N)C(=C1)S(=O)(=O)O
2. InChI: InChI=1S/C10H9NO6S2/c11-8-5-4-6-7(10(8)19(15,16)17)2-1-3-9(6)18(12,13)14/h1-5H,11H2,(H,12,13,14)(H,15,16,17)
3. InChIKey: YAIKCRUPEVOINQ-UHFFFAOYSA-N
The toxicity data is as follows:
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| rat | LD50 | oral | 5430mg/kg (5430mg/kg) | "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 1058, 1986. |