Other name: Baking soda; Bicarbonate of soda; Carbonic acid monosodium salt
CAS No.: 144-55-8
EINECS No.: 205-633-8
HS No.:2836300000
Molecular Formula: NaHCO3
Molecular weight: 84.01
1. Appearance: White powder or opaque tiny crystalline monoclinic system. Odourless, taste salty.
2. Specifications:
2.1 Sodium Bicarbonate Industry Grade
Quality standards :GB/T1806-2008
Item Index | Ⅰ | Ⅱ | Ⅲ |
Sodium Bicarbonate (NaHCO3),wt%≥ | 99.5 | 99 | 98.5 |
Loss on drying ,wt%≤ | 0.1 | 0.15 | 0.2 |
pH(10g/L aqueous solution) | 8.3 | 8.5 | 8.7 |
Chloride (as Cl), wt%≤ | 0.1 | 0.2 | 0.5 |
Iron(Fe),wt%≤ | 0.001 | 0.002 | 0.005 |
Insoluble Matters, wt%≤ | 0.01 | 0.02 | 0.05 |
Sulfate (as SO4), wt%≤ | 0.02 | 0.05 | 0.5 |
Calcium(Ca),wt%≤%≤ | 0.03 | 0.03 | 0.05 |
Arsenic(As) , wt%≤ | 0.0001 | 0.0001 | 0.0001 |
Heavy Metal(as Pb), wt% ≤ | 0.0005 | 0.0005 | 0.0005 |
Quality standards :GB1887—199
Item | Index |
Sodium Bicarbonate (NaHCO3),wt%≥ | 99.0 |
Loss on Dry, wt% ≤ | 0.20 |
PH(10g/L Solution) | 8.5 |
Chloride(as NaCl) , wt% ≤ | 0.40 |
Ammonium Salt , wt% ≤ | Comply with the standard |
Arsenic(As) , wt%≤ | 0.0001 |
Heavy Metal(as Pb), wt% ≤ | 0.0005 |
Appearance of Solution | Comply with the standard |
Whiteness, %≥ | 85 |
Quality standards :HG/T 3972-2007
Item | Index |
NaHCO3 , wt%≥ | 99.0 |
Loss on Dry, wt% ≤ | 0.20 |
PH(10g/L Solution) | 8.5 |
Arsenic(As) , wt%≤ | 0.0001 |
Heavy Metal(as Pb), wt% ≤ | 0.0005 |
Appearance of Solution | Comply with the standard |
Whiteness, %≥ | 85 |
4. Uses: Mainly used in food, medicine, movie studios, tanning, ore dressing, metallurgy, fibre, rubber and other industrial.
5. Storage: Stored in cool and ventilated, avoid light place.
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