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.
检测方案
98-100.5%
形式
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+]
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
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
法规信息
危险化学品
Kinetics of sodium borohydride direct oxidation and oxygen reduction in sodium hydroxide electrolyte: Part I. BH4- electro-oxidation on Au and Ag catalysts.
Chatenet M, et al.
Electrochimica Acta, 51(25), 5459-5467 (2006)
Silvio Carrettin et al.
Chemical communications (Cambridge, England), (7)(7), 696-697 (2002-07-18)
Glycerol is oxidised to glyceric acid with 100% selectivity using either 1% Au/charcoal or 1% Au/graphite catalyst under mild reaction conditions (60 degrees C, 3 h, water as solvent).
Determination of specific surface area of colloidal silica by titration with sodium hydroxide.
Sears Jr GW.
Analytical Chemistry, 28(12), 1981-1983 (1956)
Chemoselective, solvent-free aldol condensation reaction.
Raston CL and Scott JL.
Green Chemistry, 2(2), 49-52 (2000)
M A Roberts et al.
Analytical chemistry, 69(11), 2035-2042 (1997-06-01)
This report describes a UV laser photoablation method for the production of miniaturized liquid-handling systems on polymer substrate chips. The fabrication of fluid channel and reservoir networks is accomplished by firing 200 mJ pulses from an UV excimer laser at
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