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| CAS No.: | 118-28-5 |
|---|---|
| Name: | 5-amino-6-ethoxynaphthalene-2-sulphonic acid |
| Article Data: | 4 |
| Molecular Structure: | |
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| Formula: | C12H13 N O4 S |
| Molecular Weight: | 267.306 |
| Synonyms: | 5-Amino-6-ethoxy-2-naphthalenesulfonicacid; C.I. 38480; Ethoxy Cleve's Acid; NSC 37080; NSC 7570 |
| Density: | 1.413g/cm3 |
| Boiling Point: | °Cat760mmHg |
| Flash Point: | °C |
| Safety: | Mildly toxic by ingestion. An eye irritant. When heated to decomposition it emits very toxic fumes of NOx and SOx. See also SULFONATES. |
| PSA: | 98.00000 |
| LogP: | 3.72940 |
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Chemistry
Molecular Structure of 5-Amino-6-ethoxy-2-naphthalene sulfonic acid (CAS NO.118-28-5):
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IUPAC Name: 5-amino-7-ethoxynaphthalene-2-sulfonic acid
Empirical Formula: C12H13NO4S
Molecular Weight: 267.3009
Surface Tension: 62.5 dyne/cm
Density: 1.413 g/cm3
Index of Refraction: 1.653
Classification Code: Skin / Eye Irritant
Toxicity Data With Reference
| 1. | eye-rbt 100 mg/24H MOD | 28ZPAK Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku Marhold, J.V.,Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha,Czechoslovakia.: 1972,191. | ||
| 2. | orl-rat LD50:12 g/kg | 28ZPAK Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku Marhold, J.V.,Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha,Czechoslovakia.: 1972,191. |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Mildly toxic by ingestion. An eye irritant. When heated to decomposition it emits very toxic fumes of NOx and SOx. See also SULFONATES.
Specification
5-Amino-6-ethoxy-2-naphthalene sulfonic acid ,with CAS number of 118-28-5,can be called Kyselina 1-amino-2-ethoxynaftalen-6-sulfonova ; Kyselina ethoxy-cleve-1,6 ; NSC 37080 ; BRN 3342860 .
5-Amino-6-ethoxy-2-naphthalene sulfonic acid (CAS NO.118-28-5) is a low toxic substance,with flammability, burning will produce toxic fumes of nitrogen oxides and sulfur oxides,so it should be stored in cool and dry environment.Dry powder,foam,sand, carbon dioxide,water mist can be used if something urgent happened.