06203
氢氧化钠
puriss., meets analytical specification of Ph. Eur., BP, NF, E524, 98-100.5%, pellets
别名:
‘苛性钠’
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关于此项目
线性分子式:
NaOH
化学文摘社编号:
分子量:
40.00
PubChem Substance ID:
UNSPSC Code:
12352302
NACRES:
NA.21
EC Number:
215-185-5
MDL number:
Assay:
98-100.5%
Vapor pressure:
<18 mmHg ( 20 °C), 3 mmHg ( 37 °C)
vapor density
>1 (vs air)
Quality Level
vapor pressure
<18 mmHg ( 20 °C), 3 mmHg ( 37 °C)
grade
puriss.
assay
98-100.5%
form
pellets
quality
meets analytical specification of Ph. Eur., BP, NF, E524
impurities
≤0.0005% total nitrogen (N), ≤0.002% heavy metals (as Pb), ≤0.5% Na2CO3
mp
318 °C (lit.)
solubility
water: soluble 1260 g/L at 20 °C
density
2.13 g/cm3 at 20 °C
anion traces
chloride (Cl-): 0.002%, phosphate (PO43-): 0.001%, silicate (as SiO2): 0.01%, sulfate (SO42-): 0.003%
cation traces
Al: 0.001%, As: 0.0002%, Ca: 0.001%, Fe: 0.001%, Hg: 0.0001%, K: 0.1%, Pb: 0.00005%
SMILES string
[OH-].[Na+]
InChI
1S/Na.H2O/h;1H2/q+1;/p-1
InChI key
HEMHJVSKTPXQMS-UHFFFAOYSA-M
General description
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。
Application
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。
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signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A
存储类别
8B - Non-combustible corrosive hazardous materials
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
法规信息
危险化学品
此项目有
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)
Determination of specific surface area of colloidal silica by titration with sodium hydroxide.
Sears Jr GW.
Analytical Chemistry, 28(12), 1981-1983 (1956)
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).
全球贸易项目编号
| 货号 | GTIN |
|---|---|
| 06203-4X5KG | 04061838645913 |
| 06203-1KG | 04061838645906 |
| 06203-6X1KG | 04061833635896 |
| 06203-5KG | 04061838645920 |
| 06203-288X1KG | 04061833691687 |