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| CAS No.: | 6416-68-8 |
|---|---|
| Name: | sodium 4-(2H-naphtho[1,2-d]triazol-2-yl)stilbene-2-sulphonate |
| Molecular Structure: | |
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| Formula: | C24H17 N3 O3 S . Na |
| Molecular Weight: | 449.48 |
| Synonyms: | 2-Stilbenesulfonicacid, 4-(2H-naphtho[1,2-d]triazol-2-yl)-, sodium salt (6CI,7CI);Benzenesulfonic acid, 5-(2H-naphtho[1,2-d]triazol-2-yl)-2-(2-phenylethenyl)-,sodium salt (9CI); C.I. Fluorescent Brightening Agent 46, sodium salt (8CI);2H-Naphtho[1,2-d]triazole, benzenesulfonic acid deriv.; 2-(4-Styryl-3-sulfophenyl)-2H-naphtho[1,2-d]triazolesodium salt; 4-(Naphtho-1',2';4,5-triazol-2-yl)-2-sulfostilbene sodium salt;C.I. 40645; C.I. Fluorescent Brightener 46; Fluorescent Brightener 46; PylaklorWhite S 15A; Sodium 4-(2H-naphtho[1,2-d]triazol-2-yl)stilbene-2-sulfonate;Tinopal RBS; Tinopal RBS 200 |
| Safety: | Mildly toxic by inhalation. A skin and eye irritant. When heated to decomposition it emits toxic fumes of SOx, NOx, and Na2O. |
| PSA: | 96.29000 |
| LogP: | 5.72900 |
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Chemistry
IUPAC Name of Tinopal rbs (CAS NO.6416-68-8): sodium 5-benzo[e]benzotriazol-2-yl-2-[(E)-2-phenylethenyl]benzenesulfonate
Molecular Weight: 449.45691 g/mol
Molecular Formula: C24H16N3NaO3S
EINECS: 229-131-3
H-Bond Acceptor: 5
Rotatable Bond Count: 4
Exact Mass: 449.081007
MonoIsotopic Mass: 449.081007
Topological Polar Surface Area: 87.9
Heavy Atom Count: 32
Complexity: 752
Canonical SMILES: C1=CC=C(C=C1)C=CC2=C(C=C(C=C2)N3N=C4C=CC5=CC=CC=C5C4=N3)S(=O)(=O)[O-].
[Na+]
Isomeric SMILES: C1=CC=C(C=C1)/C=C/C2=C(C=C(C=C2)N3N=C4C=CC5=CC=CC=C5C4=N3)S(=O)(=O)[O-].
[Na+]
InChI: InChI=1S/C24H17N3O3S.Na/c28-31(29,30)23-16-20(14-12-19(23)11-10-17-6-2-1-3-7-17)27-25-22-15-13-18-8-4-5-9-21(18)24(22)26-27;/h1-16H,(H,28,29,30);/q;+1/p-1/b11-10+
InChIKey: PCNRQYHSJVEIGH-ASTDGNLGSA-M
Synonyms of Tinopal rbs (CAS NO.6416-68-8): Sodium 4-(2H-naphtho[1,2-d]triazol-2-yl)stilbene-2-sulphonate ; Fluorescent brightening agent 46 (C.I. 40645) ; 4-(2H-Naphtho[1,2-d]triazol-2-yl)stilbene-2-sulfonic acid sodium salt ; 4-[2H-Naphtho[1,2-d]triazol-2-yl]stilbene-2-sulfonic acid sodium salt ; 4-[2H-Naphtho[1,2-d]triazole-2-yl]stilbene-2-sulfonic acid sodium
Mol File: 6416-68-8.mol
Uses
Tinopal rbs (CAS NO.6416-68-8) is used to whitening and brightening the cotton fiber and the paper stuff.
Toxicity Data With Reference
| 1. | skn-rbt 500 mg/24H MLD | MVCRB3 Fluorescent Whitening Agents, Proceedings of A Symposium. 2 (1973),193. | ||
| 2. | eye-rbt 100 mg MOD | TXAPA9 Toxicology and Applied Pharmacology. 27 (1974),494. | ||
| 3. | eye-rbt 100 mg/2S rns MLD | TXAPA9 Toxicology and Applied Pharmacology. 27 (1974),494. | ||
| 4. | eye-rbt 100 mg MLD | MVCRB3 Fluorescent Whitening Agents, Proceedings of A Symposium. 2 (1973),193. | ||
| 5. | ihl-rat LCLo:4500 mg/m3/4H | TXAPA9 Toxicology and Applied Pharmacology. 27 (1974),494. |
Consensus Reports
EPA Genetic Toxicology Program. Reported in EPA TSCA Inventory.
Safety Profile
Mildly toxic by inhalation. A skin and eye irritant. When heated to decomposition it emits toxic fumes of SOx, NOx, and Na2O.