碳酸氢钠

产品信息
Formula Hill CHNaO3
Chemical formula NaHCO3
HS Code 2836 30 00
EC number 205-633-8
Molar mass 84.01 g/mol
CAS number 144-55-8
化学及物理数据
Solubility 96 g/l (20 °C)
Melting point 270 °C (decomposition)
Molar mass 84.01 g/mol
Density 2.22 g/cm3 (20 °C)
pH value 8.6 (50 g/l, H2O, 20 °C)
Vapor pressure 8.3 hPa (30 °C)
安全标示
RTECS VZ0950000
Storage class (VCI) 10 - 13 Other liquids and solids
WGK WGK 1 slightly water endangering
Disposal 14
Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535).
交通信息
Declaration (railroad and road) ADR, RID Kein Gefahrgut
Declaration (transport by sea) IMDG-Code No Dangerous Good
Declaration (transport by air) IATA-DGR No Dangerous Good
毒物学数据
LD 50 oral LD50 rat 4220 mg/kg
分类
Appearance of solution passes test
Identity passes test
Assay
- acidimetric; calculated on dried substance
99.7 - 100.3 %
- acidimetric 99.0 - 101.0 %
Insoluble matter ≤ 0.015 %
pH-value (5 %; water) ≤ 8.6
Chloride (Cl) ≤ 0.002 %
Phosphate (PO4) ≤ 0.001 %
Sulphate (SO4) ≤ 0.015 %
Phosphate and Silicate (as SiOÈ) ≤ 0.005 %
Sulfur compounds (as SOÎ) ≤ 0.003 %
Total nitrogen (N) ≤ 0.0005 %
Ammonium (NH4) ≤ 0.0005 %
Heavy metals (as Pb) ≤ 0.0005 %
As (Arsenic) ≤ 0.0002 %
Ca (Calcium) ≤ 0.01 %
Cu (Copper) ≤ 0.0002 %
Fe (Iron) ≤ 0.0005 %
K (Potassium) ≤ 0.005 %
Mg (Magnesium) ≤ 0.005 %
Pb (Lead) ≤ 0.0005 %
Iodine reducing matter (as I) ≤ 0.0065 %
Loss on drying (Silica gel) ≤ 0.20 %