SODIUM CARBONATE CAS N°: 497-19-8 - UNEP Chemicals
SODIUM CARBONATE CAS N°: 497-19-8 - UNEP Chemicals
SODIUM CARBONATE CAS N°: 497-19-8 - UNEP Chemicals
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OECD SIDS <strong>SODIUM</strong> <strong>CARBONATE</strong><br />
2. PHYSICO-CHIMICAL DATA Id <strong>497</strong>-<strong>19</strong>-8<br />
Date <strong>19</strong>.02.2003<br />
2.6.2 SURFACE TENSION<br />
2.7 FLASH POINT<br />
Remark : Not applicable.<br />
14.08.2001<br />
2.8 AUTO FLAMMABILITY<br />
Remark : Not flammable. Not a fire hazard.<br />
14.08.2001<br />
2.9 FLAMMABILITY<br />
Remark : Not flammable. Not combustible.<br />
16.05.2002<br />
2.10 EXPLOSIVE PROPERTIES<br />
Result : not explosive<br />
17.07.2001<br />
2.11 OXIDIZING PROPERTIES<br />
Result : no oxidizing properties<br />
17.07.2001<br />
2.12 DISSOCIATION CONSTANT<br />
Remark : HCO3- CO32- + H+ pKa = 10.33<br />
CO2 + H2O HCO3- + H+ pKa = 6.35<br />
30.07.2002<br />
2.13 VISCOSITY<br />
2.14 ADDITIONAL REMARKS<br />
Memo : Sodium carbonate is a strong alkaline substance with a pH of 11.6 for a 0.1<br />
M aqueous solution.<br />
14.08.2001 (11) (25)<br />
<strong>UNEP</strong> PUBLICATIONS 35
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