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| ERYTHROSINE B | ||
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PRODUCT IDENTIFICATION |
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| CAS NO. | 16423-68-0 |
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| EINECS NO. | 240-474-8 | |
| FORMULA | C20H6I4Na2O5 | |
| MOL WT. | 879.86 | |
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H.S. CODE |
3204.12 | |
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TOXICITY |
Oral rat LD50: 1840 mg/kg | |
| SYNONYMS | Acid Red 51; C.I. 45430; FD & C Red No.3; | |
| 2',4',5',7'-Tetraiodo-3',6'-dihydroxy-spiro[3H-isobenzofuran-1,9'-xanthen]-3-one disodium salt; Tetraiodofluorescein Sodium Salt; Calcoid Erythrosine N; 2,4,5,7-Tetraiodo-3,6-dihydroxyxanthene-9-spiro-1'-3H-isobenzofuran-3'-one disodium salt; 2',4',5',7'-Tetraiodofluorescein, disodium salt; C.I.Food Red 14; Aizen Erythrosine; Tetraiodifluorescein, disodium salt; Spiro[isobenzofuran- 1(3H),9'-[9H]xanthen]-3-one, 3',6'-dihydroxy-2',4',5',7'-tetraiodo-, disodium salt; | ||
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CLASSIFICATION |
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PHYSICAL AND CHEMICAL PROPERTIES |
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| PHYSICAL STATE | maroon powder | |
| MELTING POINT | >300 C (Decomposes) | |
| BOILING POINT |
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| SPECIFIC GRAVITY |
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| SOLUBILITY IN WATER |
Soluble | |
| PH | ||
| VAPOR DENSITY |
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| NFPA RATINGS | Health: 2; Flammability: 0; Reactivity: 0 | |
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REFRACTIVE INDEX |
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| FLASH POINT |
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| STABILITY | Stable under ordinary conditions. Hygroscopic. | |
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APPLICATIONS |
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| Erythrosine B is an iodo derivative of fluorescin with distinctly bluish shade where as eosin is a bromine derivatives of fluorescin. It is used in coloring cosmetics and food. It is usedas a plasma stain for nerve cells and staining bacteria in soil. It is used as a phosphorescent triplet probe to detect rotational diffusion of membrane proteins. | ||
| SALES SPECIFICATION | ||
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APPEARANCE |
maroon powder | |
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DYE CONTENT |
87.0% min |
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| VOLATILE MATTER |
11.0% max |
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WATER INSOLUBLES |
0.2% max |
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| SUBSIDIARY DYES |
4.0% max |
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| INDIVIDUAL IMPURITY |
0.5% max |
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| ARSENIC |
3ppm max |
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| LEAD |
10ppm max |
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| MERCURY |
1ppm max |
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| TRANSPORTATION | ||
| PACKING |
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| HAZARD CLASS | ||
| UN NO. | ||
| OTHER INFORMATION | ||
| Hazard Symbols: XN, Risk Phrases: 22, Safety Phrases: 24/25/36 | ||
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