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| PHENIDONE A | ||
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PRODUCT IDENTIFICATION |
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| CAS NO. | 92-43-3 |
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| EINECS NO. | 202-155-1 | |
| FORMULA | C9H10N2O | |
| MOL WT. | 162.19 | |
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H.S. CODE |
2933.19 | |
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TOXICITY |
Oral rat LD50: 200 mg/kg | |
| SYNONYMS | 1-Phenyl-3-pyrazolidone; Graphidone; Fenidon; | |
| 1-Phenyl-3-oxopyrazolidine; 1-Phenylpyrazolid-3-one; 2-Pyrazolin-3-ol, 1-phenyl-; 1-P-3-P; Phenidone; 1-Phenyl-3-pyrazolidinone; | ||
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CLASSIFICATION |
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PHYSICAL AND CHEMICAL PROPERTIES |
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| PHYSICAL STATE | White to off-white powder | |
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MELTING POINT |
122 - 123 C | |
| BOILING POINT | ||
| SPECIFIC GRAVITY | ||
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SOLUBILITY IN WATER |
soluble in hot water | |
| pH | ||
| VAPOR DENSITY | ||
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AUTOIGNITION |
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NFPA RATINGS |
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REFRACTIVE INDEX |
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| FLASH POINT |
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| STABILITY | Stable under ordinary conditions | |
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APPLICATIONS |
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| Low toxic common photography developer due to strong reduction property of silver halides to black metallic silver which forms visible image. Other common developers are hydroquinone, metol and paraphenylenediamine. | ||
| SALES SPECIFICATION | ||
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APPEARANCE |
White to off-white powder | |
| CONTENT (HPLC) | 99.0% min | |
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MELTING POINT |
120 - 123 C | |
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Fe |
5ppm max |
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Pb |
1ppm max |
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ASH |
0.1% max |
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LOSS ON DRYING |
0.2% max |
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| TRANSPORTATION | ||
| PACKING | ||
| HAZARD CLASS | 6.1 (Packing Group: III) | |
| UN NO. | 2811 | |
| OTHER INFORMATION | ||
| Hazard Symbols: XN, Risk Phrases: 22, Safety Phrases: | ||
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