pH Buffer Sodium Bicarbonate for Swimming Pool Use
4.PRODUCT IDENTIFICATION |
CAS NO. |
: 144-55-8 |
Formula |
: NaHCO3 |
MOL WT. |
: 83.982 |
TOXICITY |
: LD 50: 5 g/kg (oral in rats) |
SYNONYMS |
: Sodium bicarbonate, Bicarbonate of soda, Baking soda |
PHYSICAL AND CHEMICAL PROPERTIES |
Total alkalinity (as NaHCO3) |
: 99.20 %, min |
pH |
: 8.8 max |
Chlorides (as Cl) |
: 0.06 %, max |
Matter insoluble in water |
: 0.10 %, max |
Sulphates (as SO4) |
: 0.07 %, max |
Iron (as Fe) |
: 0.004 %, max |
Heavy metals (as Pb) |
: 5 ppm, max |
(as As) |
: 1.5 ppm, max |
Copper (as Cu) |
: 30 ppm, max |
SALES SPECIFICATION |
PHYSICAL STATE |
: White crystalline solid. |
MELTING POINT |
: Decomposes below MP |
BOILING POINT |
: Unknow>Decomposes |
SOLUBILITY IN WATER |
: 7.8g/100ml water @ 18C (64F) |
Density and phase |
: 2.159 g/cm³, solid. |
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