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蒸汽密度
>1 (vs air)
质量水平
蒸汽压
<18 mmHg ( 20 °C)
3 mmHg ( 37 °C)
等级
puriss.
方案
98-100.5%
表单
pellets
质量
meets analytical specification of Ph. Eur., BP, NF, E524
杂质
≤0.0005% total nitrogen (N)
≤0.002% heavy metals (as Pb)
≤0.5% Na2CO3
mp
318 °C (lit.)
溶解性
water: soluble 1260 g/L at 20 °C
密度
2.13 g/cm3 at 20 °C
痕量阴离子
chloride (Cl-): ≤20 mg/kg
phosphate (PO43-): ≤10 mg/kg
silicate (as SiO2): ≤100 mg/kg
sulfate (SO42-): ≤30 mg/kg
痕量阳离子
Al: ≤10 mg/kg
As: ≤2 mg/kg
Ca: ≤10 mg/kg
Fe: ≤10 mg/kg
Hg: ≤1 mg/kg
K: ≤1000 mg/kg
Pb: ≤0.5 mg/kg
SMILES字符串
[OH-].[Na+]
[OH-].[Na+]
InChI
1S/Na.H2O/h;1H2/q+1;/p-1
InChI key
HEMHJVSKTPXQMS-UHFFFAOYSA-M
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一般描述
氢氧化钠,也称为碱液和苛性钠,是一种强碱,作为中和剂广泛用于化学工业、造纸、石油炼制、清洁化合物和下水道清洁剂。
应用
氢氧化钠可用作:
- 试剂,在金催化下甘油选择性氧化成甘油酸。
- 催化剂,用于醇与氢硅烷的交叉脱氢偶联,以合成硅醚。
- 碱,用于芳基卤化物和炔的无过渡金属 Sonogashira 型偶联,以 PEG 为相转移剂合成炔酮。
警示用语:
Danger
危险声明
危险分类
Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A
储存分类代码
8B - Non-combustible corrosive hazardous materials
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
法规信息
危险化学品
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