所有图片(1)

06203

Sigma-Aldrich

氢氧化钠

puriss., meets analytical specification of Ph. Eur., BP, NF, E524, 98-100.5%, pellets

别名:
苛性钠
线性分子式:
NaOH
CAS号:
分子量:
40.00
EC 号:
MDL编号:
PubChem化学物质编号:
NACRES:
NA.21

质量水平

200

蒸汽密度

>1 (vs air)

蒸汽压

<18 mmHg ( 20 °C)
3 mmHg ( 37 °C)

等级

puriss.

测定

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 string

[OH-].[Na+]

InChI

1S/Na.H2O/h;1H2/q+1;/p-1

InChI key

HEMHJVSKTPXQMS-UHFFFAOYSA-M

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象形图

Corrosion

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

分析证书

原产地证书 (CofO)

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
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)

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