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Neobor Product Profile <br /> Chemical and Physical Properties <br /> Stability <br /> Neobor is a stable crystalline product which does not change chemically under normal <br /> storage conditions. If wetted it reacts exothermically with the water, forming borax <br /> decahydrate. Care should therefore be taken to prevent exposure of the product to <br /> moisture, and to avoid wide fluctuations in temperature and humidity during storage. <br /> This can also cause the product to cake. It is, of course, essential to maintain the <br /> integrity of the packaging. <br /> Characteristics <br /> Buffering action <br /> Molecular Weight 291.35 Dissolved in water, Neobor hydrolyzes to <br /> Specific Gravity 1.88 give a mildly alkaline solution. It is thus <br /> capable of neutralizing acids. It also <br /> Melting Point <200°C(392°F) combines with strong alkalis to form <br /> (enclosed space) compounds of lower pH. The relatively <br /> (absorbed) (110.5 BTU/Ib) <br /> Heat solution 1.79 x105 J/kg constant pH of Neobor solutions makes it <br /> an excellent buffering agent. <br /> Solubility in water <br /> Temperature°C(°F) Neobor % by weight <br /> in saturated solution <br /> 0 (32) 1.52 <br /> 5 (41) 1.88 <br /> 10 (50) 2.36 <br /> 15 (59) 2.90 <br /> 20 (68) 3.59 <br /> 25 (77) 4.43 <br /> 30 (86) 5.50 <br /> 35 (95) 6.89 <br /> 40 (104) 8.57 <br /> 45 (113) 10.86 <br /> 50 (122) 13.68 <br /> 55 (131) 17.73 <br /> 60 (140) 23.16 <br /> 65 (149) 25.88 <br /> 70 (158) 28.21 <br /> 75 (167) 30.69 <br /> 80 (176) 33.85 <br /> 85 (185) 37.06 <br /> 90 (194) 40.62 <br /> 95 (203) 45.02 <br /> 100 (212) 50.13 <br /> 3 o1 4 <br />