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81-16-3
bosschem
81-16-3
Product Description
Product name:2-Aminonaphthalene-1-sulfonic acid
CAS：81-16-3
MF：C10H9NO3S
MW：223.25
EINECS:201-331-5
Application:
Used as an intermediate for azo dyes and azo pigments, used in the manufacture of dyes such as J acid and γ acid, norophenol AS-SW, reactive red K-1613, etc.
Specifications :
| 2-Aminonaphthalene-1-sulfonic acid Basic information | |
| Product Name: | 2-Aminonaphthalene-1-sulfonic acid |
| CAS: | 81-16-3 |
| MF: | C10H9NO3S |
| MW: | 223.25 |
| EINECS: | 201-331-5 |
| Mol File: | 81-16-3.mol |
| 2-Aminonaphthalene-1-sulfonic acid Chemical Properties | |
| Melting point | 180 °C |
| Boiling point | 220°C (rough estimate) |
| density | 1.3588 (rough estimate) |
| refractive index | 1.5250 (estimate) |
| pka | pK1: 2.35 (25°C) |
| Water Solubility | 4.083g/L(20 ºC) |
| Merck | 146,406 |
| BRN | 613084 |
| CAS DataBase Reference | 81-16-3(CAS DataBase Reference) |
| NIST Chemistry Reference | 2-Naphthylamine-1-sulfonic acid(81-16-3) |
| EPA Substance Registry System | 2-Amino-1-naphthalenesulfonic acid (81-16-3) |
COA
Items | Specifications |
Total Amino (dry) %≥ | 97.0 |
2-Naphthylamine %≤ | 0.25 |
Moisture %≤ | 1.0 |
Insoluble matter %≤ | 0.10 |
Purity | 99.0 %min |
Product Description
Product name:2-Aminonaphthalene-1-sulfonic acid
CAS：81-16-3
MF：C10H9NO3S
MW：223.25
EINECS:201-331-5
Application:
Used as an intermediate for azo dyes and azo pigments, used in the manufacture of dyes such as J acid and γ acid, norophenol AS-SW, reactive red K-1613, etc.
Specifications :
| 2-Aminonaphthalene-1-sulfonic acid Basic information | |
| Product Name: | 2-Aminonaphthalene-1-sulfonic acid |
| CAS: | 81-16-3 |
| MF: | C10H9NO3S |
| MW: | 223.25 |
| EINECS: | 201-331-5 |
| Mol File: | 81-16-3.mol |
| 2-Aminonaphthalene-1-sulfonic acid Chemical Properties | |
| Melting point | 180 °C |
| Boiling point | 220°C (rough estimate) |
| density | 1.3588 (rough estimate) |
| refractive index | 1.5250 (estimate) |
| pka | pK1: 2.35 (25°C) |
| Water Solubility | 4.083g/L(20 ºC) |
| Merck | 146,406 |
| BRN | 613084 |
| CAS DataBase Reference | 81-16-3(CAS DataBase Reference) |
| NIST Chemistry Reference | 2-Naphthylamine-1-sulfonic acid(81-16-3) |
| EPA Substance Registry System | 2-Amino-1-naphthalenesulfonic acid (81-16-3) |
COA
Items | Specifications |
Total Amino (dry) %≥ | 97.0 |
2-Naphthylamine %≤ | 0.25 |
Moisture %≤ | 1.0 |
Insoluble matter %≤ | 0.10 |
Purity | 99.0 %min |