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Aigéad mianrach is ea aigéad fosfarach (H3PO4); aigéad 3 bhun le 3 shraith salann. De ghnáth, is leacht síorópach é atá an-tais-scópach. Trí dhíhiodráitiú, táirgeann sé peantocsaíd fosfair (P2O5), oibreán an-mhaith triomaithe.[1]
Substaint cheimiceach | aicme eintiteas ceimiceach |
---|---|
Mais mhóilíneach | 97.977 Da |
Tacsón ina n-aimsítear é | |
Ról | dental material (en) ![]() |
Struchtúr ceimiceach | |
Foirmle cheimiceach | H₃PO₄ |
![]() | |
SMILES canónta | Model 2D OP(=O)(O)O |
InChI | Model 3D |
Airí | |
Dlús | 1.87 g/cm³ (a 77 °F, solad) ![]() |
PKa | 1.97 2.12 ![]() |
Pointe leáite | 42 °C 20 °C 42.4 °C ![]() |
Fiuchphointe | 213 °C (a 1 atm) 407 °C (a 101.325 kPa) ![]() |
Galbhrú | 0.03 mmHg (a 20 °C) ![]() |
Guais | |
Meánteorainn nochta ualaithe ama | 1 mg/m³ (10 h, Stáit Aontaithe Mheiriceá) ![]() |
Short-term exposure limit (en) ![]() | 3 mg/m³ (luach ar iarraidh) ![]() |
Láithreach contúirteach don bheatha nó sláinte | 1,000 mg/m³ |
NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response () ![]() |
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