Sodium carbonate decahydrate

半岛bd体育手机客户端 说明

分析说明

Assay (acidimetric, Na?CO?): 36.7 - 40.0 %
Assay (acidimetric): 99.0 - 102.0 %
Identity: passes test
Appearance of solution: passes test
Alkali hydroxides and Alkali hydrogen carbonates: passes test
Chloride (Cl): ≤ 0.0005 %
Sulfate (SO?): ≤ 0.003 %
Phosphate and Silicate (as SiO?): ≤ 0.002 %
Total sulfur (as SO?): ≤ 0.003 %
Total nitrogen (N): ≤ 0.0005 %
Heavy metals (as Pb): ≤ 0.0005 %
Al (Aluminium): ≤ 0.0005 %
As (Arsenic): ≤ 0.0002 %
Ca (Calcium): ≤ 0.002 %
Fe (Iron): ≤ 0.0002 %
K (Potassium): ≤ 0.005 %
Mg (Magnesium): ≤ 0.0002 %
Corresponds to ISO, Reag. Ph Eur

法律信息

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

基本信息

经验(实验)分子式	CNa2O3· 10H2O
分子量	286.14
MDL编号	MFCD00149178
EC索引号	207-838-8

半岛bd体育手机客户端 性质

agency	reag. ISO reag. Ph. Eur.
质量水平	300
测定	36.7-40.0% (Na2CO3basis, acidimetric) 99-102% (acidimetric)
形式	solid
效能	4090 mg/kg LD50, oral (Rat)
pH值(酸碱度)	11-12 (25 ℃, 50 g/L in H2O)
mp	33 ℃ (Elimination of water of crystallisation)
溶解性	210 g/L
密度	1.44 g/cm3at 20 ℃
堆积密度	700?900 kg/m3
痕量阴离子	chloride (Cl-): ≤0.0005% phosphate, silicate (as SiO2): ≤0.002% sulfate (SO42-): ≤0.003% sulfur compounds (as SO42-): ≤0.003%
痕量阳离子	Al: ≤ 0.0005% As: ≤ 0.0002% Ca: ≤ 0.002% Fe: ≤ 0.0002% K: ≤ 0.005% Mg: ≤ 0.0002% N: ≤ 0.0005% heavy metals (as Pb): ≤ 0.0005%
储存温度	15-25℃
InChI	1S/CH2O3.2Na.10H2O/c2-1(3)4;;;;;;;;;;;;/h(H2,2,3,4);;;10*1H2/q;2*+1;;;;;;;;;;/p-2
InChI key	XYQRXRFVKUPBQN-UHFFFAOYSA-L

安全信息

象形图
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
闪点(F)	Not applicable
闪点(C)	Not applicable