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Specification Of Yellow-Phosphorus
PRODUCT IDENTIFICATION
CAS NO. 7723-14-0
EINECS NO. 231-768-7
FORMULA P4
MOL WT. 123.88
H.S.CODE 2804.70
TOXICITY Oral rat LD50: 3030 ug/kg
SYNONYMS
Phosphorus (white); Phosphorous yellow; Phosphorus (red);Black Phosphorus; Fosforo Bianco (Italian); Gelber Phosphor (German); Phosphore Blanc (French); Phosphorous (White); P Tetrafosfor (Dutch); Tetraphosphor (German); Violet Phosphorus; Weiss Phosphor (German);
PHYSICAL AND CHEMICAL PROPERTIES
PHYSICAL STATE a number of allotropic forms
MELTING POINT 44 C (white), 590 C (red)
BOILING POINT 280 C (white), sublimes (red)
SPECIFIC GRAVITY 1.82 (white), 2.34 (red), 2.70 (black)
SOLUBILITY IN WATER insoluble
NFPA RATINGS Health: 3 Flammability: 0 Reactivity: 1
FLASH POINT 30 C(white), 260 C(red)
STABILITY Stable under ordinary conditions
SALES SPECIFICATION
WHITE/YELLOW PHOSPHORUS
APPEARANCE
white to straw yellow waxy solid
ASSAY 99.0% min
INSOLUBLES IN DILUTE NITRIC ACID 0.1% max
ACIDITY (H3PO4) 0.2% max
SULFUR 0.1% max
RED PHOSPHORUS
APPEARANCE red to violet amorphosus powder
ASSAY 98.5% min
SOLUBLES IN WATER 1.0%  max
WHITE PHOSPHORUS 0.003% max
MOISTURE 0.25% max
ACIDITY (H3PO4) 0.1% max
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