| 释义 |
- Spectral data
- Structure and properties data
- Material Safety Data Sheet
- References
This page provides supplementary chemical data on boric acid. == Thermodynamic properties == | Phase behavior | | Triple point | ? K (? °C), ? Pa | | Critical point | ? K (? °C), ? Pa | Std enthalpy change
of fusion, ΔfusHo | ? kJ/mol | Std entropy change
of fusion, ΔfusSo | ? J/(mol·K) | Std enthalpy change
of vaporization, ΔvapHo | ? kJ/mol | Std entropy change
of vaporization, ΔvapSo | ? J/(mol·K) | | Solid properties |
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Std enthalpy change
of formation, ΔfHosolid | −1093.99 kJ/mol | Standard molar entropy,
Sosolid | 88.7 J/(mol K) | | Heat capacity, cp | ? J/(mol K) | | Liquid properties |
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Std enthalpy change
of formation, ΔfHoliquid | ? kJ/mol | Standard molar entropy,
Soliquid | ? J/(mol K) | | Heat capacity, cp | ? J/(mol K) | | Gas properties |
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Std enthalpy change
of formation, ΔfHogas | −992.28 kJ/mol | Standard molar entropy,
Sogas | 295.23 J/(mol K) | | Heat capacity, cp | ? J/(mol K) | |
Spectral data | UV-Vis | | Lambda-max | ? nm | | Extinction coefficient | ? | | IR |
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| Major absorption bands | ? cm−1 | | NMR |
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| Proton NMR | | Carbon-13 NMR | | Other NMR data | | MS |
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Masses of
main fragments | | |
Structure and properties data | Structure and properties | | Index of refraction | ? | | Dielectric constant | ? C2/(N·m2) at ? °C | | Bond strength | ? | | Bond length | ? 120OC | | Bond angle | ? | | Magnetic susceptibility | ? | |
Material Safety Data Sheet The handling of this chemical may incur notable safety precautions. It is highly recommend that you seek the Material Safety Datasheet (MSDS) for this chemical from a reliable source and follow its directions. - [https://web.archive.org/web/20110927165657/http://siri.org/msds/gn.cgi?query=boric+acid&start=0 SIRI]
- [https://web.archive.org/web/20100323081016/http://www.sciencestuff.com/msds/C1318.html Science Stuff]
References Except where noted otherwise, data relate to standard ambient temperature and pressure. Disclaimer applies. 1 : Chemical data pages |