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ERYTHROSINE B | ||
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 | |
H.S. CODE |
3204.12 | |
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; | ||
SMILES |
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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 | |
REFRACTIVE INDEX |
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FLASH POINT |
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STABILITY | Stable under ordinary conditions. Hygroscopic. | |
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 | ||
APPEARANCE |
maroon powder | |
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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