Oxalic acid dihydrate

半岛bd体育手机客户端 说明

分析说明

Assay (alcalimetric, calc. as dihydrate): ≥ 99.5 %
Chloride (Cl): ≤ 5000 ppb
Phosphate (PO?): ≤ 500 ppb
Sulfate (SO?): ≤ 2000 ppb
Ag (Silver): ≤ 10 ppb
Al (Aluminium): ≤ 20 ppb
As (Arsenic): ≤ 1.0 ppb
Au (Gold): ≤ 1.0 ppb
Ba (Barium): ≤ 100 ppb
Be (Beryllium): ≤ 1.0 ppb
Bi (Bismuth): ≤ 1.0 ppb
Ca (Calcium): ≤ 100 ppb
Cd (Cadmium): ≤ 50 ppb
Co (Cobalt): ≤ 5 ppb
Cr (Chromium): ≤ 10 ppb
Cu (Copper): ≤ 5 ppb
Fe (Iron): ≤ 50 ppb
Ga (Gallium): ≤ 1.0 ppb
Ge (Germanium): ≤ 1.0 ppb
In (Indium): ≤ 1.0 ppb
K (Potassium): ≤ 200 ppb
Li (Lithium): ≤ 5 ppb
Mg (Magnesium): ≤ 20 ppb
Mn (Manganese): ≤ 5 ppb
Mo (Molybdenum): ≤ 5 ppb
Na (Sodium): ≤ 100 ppb
Ni (Nickel): ≤ 10 ppb
Pb (Lead): ≤ 10 ppb
Pt (Platinum): ≤ 1.0 ppb
Sb (Antimony): ≤ 1.0 ppb
Sn (Tin): ≤ 5 ppb
Sr (Strontium): ≤ 100 ppb
Ti (Titanium): ≤ 5 ppb
Tl (Thallium): ≤ 1.0 ppb
U (Uranium): ≤ 1.0 ppb
V (Vanadium): ≤ 10 ppb
Zn (Zinc): ≤ 20 ppb

法律信息

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

基本信息

线性分子式	(COOH)2· 2 H2O
分子量	126.07
MDL编号	MFCD00149102
EC索引号	205-634-3

半岛bd体育手机客户端 性质

等级	for inorganic trace analysis
质量水平	100
蒸汽压	0.000312 hPa ( 25 ℃)
测定	≥99.5% (calculated as dihydrate, alkalimetric)
形式	solid
效能	375 mg/kg LD50, oral (Rat)
pH值(酸碱度)	1.5 (10 g/L in H2O)
bp	149-160 ℃/1013 hPa (decomposition)
mp	98-100 ℃
转变温度	flash point 157 ℃ (decomposition)
溶解性	water: >100 g/L at 25 ℃
密度	1.65 g/cm3at 20 ℃
堆积密度	813 kg/m3
痕量阴离子	chloride (Cl-): ≤5000 ppb phosphate (PO43-): ≤500 ppb sulfate (SO42-): ≤2000 ppb
痕量阳离子	Ag: ≤10 ppb Al: ≤20 ppb As: ≤1.0 ppb Au: ≤1.0 ppb Ba: ≤100 ppb Be: ≤1.0 ppb Bi: ≤1.0 ppb Ca: ≤100 ppb Cd: ≤50 ppb Co: ≤5 ppb Cr: ≤10 ppb Cu: ≤5 ppb Fe: ≤50 ppb Ga: ≤1.0 ppb Ge: ≤1.0 ppb In: ≤1.0 ppb K: ≤200 ppb Li: ≤5 ppb Mg: ≤20 ppb Mn: ≤5 ppb Mo: ≤5 ppb Na: ≤100 ppb Ni: ≤10 ppb Pb: ≤10 ppb Pt: ≤1.0 ppb Sb: ≤1.0 ppb Sn: ≤5 ppb Sr: ≤100 ppb Ti: ≤5 ppb Tl: ≤1.0 ppb U: ≤1.0 ppb V: ≤10 ppb Zn: ≤20 ppb
储存温度	2-30℃
InChI	1S/C2H2O4.2H2O/c3-1(4)2(5)6;;/h(H,3,4)(H,5,6);2*1H2
InChI key	GEVPUGOOGXGPIO-UHFFFAOYSA-N

安全信息

象形图
警示用语：	Danger
危险声明	H302 + H312 - H318
预防措施声明	P264 - P270 - P280 - P301 + P312 - P302 + P352 + P312 - P305 + P351 + P338
危险分类	Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Eye Dam. 1
储存分类代码	11 - Combustible Solids
WGK	WGK 1