<br /> 线性分子式: Na2CO3 CAS号: 497-19-8 分子量: 105.99 Beilstein: 4154566 EC 号: 207-838-8 MDL编号: MFCD00003494 PubChem化学物质编号: 24886173 NACRES: NA.25">
anhydrous
200
BioUltra
≥99.5% (calc. on dry substance, T)
powder or crystals
insoluble matter, passes filter test≤0.001% total nitrogen (N)≤0.005% total sulfur (as SO4)
≤1.0% loss on drying, 200 °C
~12.0 (25 °C, 1 M in H2O)
851 °C (lit.)
H2O: 1 M at 20 °C, clear, colorless
chloride (Cl-): ≤50 mg/kgphosphate, silicate (as SiO2): ≤50 mg/kg
Al: ≤5 mg/kgAs: ≤0.1 mg/kgBa: ≤5 mg/kgBi: ≤5 mg/kgCa: ≤200 mg/kgCd: ≤5 mg/kgCo: ≤5 mg/kgCr: ≤5 mg/kgCu: ≤5 mg/kgFe: ≤5 mg/kgK: ≤50 mg/kgLi: ≤5 mg/kgMg: ≤50 mg/kgMn: ≤5 mg/kgMo: ≤5 mg/kgNi: ≤5 mg/kgPb: ≤5 mg/kgSr: ≤5 mg/kgZn: ≤5 mg/kg
1 M in H2O
λ: 260 nm Amax: 0.01λ: 280 nm Amax: 0.01
O=C(O[Na])O[Na]
1S/CH2O3.2Na/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2
CDBYLPFSWZWCQE-UHFFFAOYSA-L
Warning
Eye Irrit. 2
13 - Non Combustible Solids
WGK 1
dust mask type N95 (US), Eyeshields, Gloves