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等级
ACS reagent
质量水平
蒸汽密度
4.4 (vs air)
蒸汽压
<0.01 mmHg ( 20 °C)
检测方案
≥99%
99.5-102.5% (ACS specification)
形式
solid
杂质
H2SO4, passes test (darkened)
≤0.001% N compounds
≤0.005% insolubles
灼烧残渣
≤0.01%
mp
104-106 °C (lit.)
痕量阴离子
chloride (Cl-): ≤0.002%
sulfate (SO42-): ≤0.005%
痕量阳离子
Ca: ≤0.001%
Fe: ≤2 ppm
heavy metals: ≤5 ppm (by ICP-OES)
SMILES字符串
[H]O[H].[H]O[H].OC(=O)C(O)=O
InChI
1S/C2H2O4.2H2O/c3-1(4)2(5)6;;/h(H,3,4)(H,5,6);2*1H2
InChI key
GEVPUGOOGXGPIO-UHFFFAOYSA-N
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一般描述
由于草酸二水合物与其他水合物相比具有较高的熔合热和储能密度/价格比,其在热能储存(TES)技术的应用中是一种很有前途的相变材料(PCM)。
应用
草酸二水合物可用于:
- 作为通过亚胺二醛反应制备四氢喹啉衍生物的催化剂。
- 作为多组分反应制备高官能化哌替啶的均相催化剂。
- 作为通过氧化作用从相应的吡咯和双吡咯中生成三唑烷二酮的一种氧化剂。
- 与亚硝酸钠反应将硫醇转化为亚硝基硫醇。
警示用语:
Danger
危险声明
危险分类
Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Eye Dam. 1
WGK
WGK 1
个人防护装备
dust mask type N95 (US), Eyeshields, Gloves
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