无水碳酸钠，Sodium carbonate；anhydrous for analysis EMSURE® ISO, ≥99.9% dry basis (acidimetric)

Agency

reag. ISO

质量水平

300

产品线

EMSURE^®

测定

≥99.9% dry basis (acidimetric)

形式

powder

效能

4090 mg/kg LD₅₀, oral (Rat)

缺失

≤1% loss on drying, 300 °C

pH值（酸碱度）

11.16 (25 °C, 4 g/L in H₂O)

mp

851 °C (lit.)

溶解性

212.5 g/L

密度

2.53 g/cm³ at 20 °C

堆积密度

1100 kg/m³

痕量阴离子

chloride (Cl^-): ≤0.002%
phosphate (PO₄^3-): ≤0.001%
silicate (as SiO₂): ≤0.002%
sulfur compounds (as SO₄^2-): ≤0.005%

痕量阳离子

Al: ≤0.001%
Ca: ≤0.005%
Fe: ≤0.0005%
K: ≤0.01%
Mg: ≤0.0005%
N: ≤0.001%
heavy metals (as Pb): ≤0.0005%

储存温度

2-30°C

SMILES string

O=C(O[Na])O[Na]

InChI

1S/CH2O3.2Na/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2

InChI key

CDBYLPFSWZWCQE-UHFFFAOYSA-L

象形图

GHS07

警示用语：

Warning

危险声明

H319

预防措施声明

P264 - P280 - P305 + P351 + P338 - P337 + P313

危险分类

Eye Irrit. 2

储存分类代码

13 - Non Combustible Solids

WGK

WGK 1