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Merck
CN

71687

Sigma-Aldrich

氢氧化钠

BioUltra, for luminescence, ≥98.0% (T), pellets

别名:

氢氧化钠, 碱液, 苛性碱液, 苛性钠, ‘苛性钠’

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About This Item

线性分子式:
NaOH
CAS号:
分子量:
40.00
EC 号:
MDL编号:
UNSPSC代码:
12352316
PubChem化学物质编号:
NACRES:
NA.32

等级

for luminescence

质量水平

蒸汽密度

>1 (vs air)

蒸汽压

<18 mmHg ( 20 °C)
3 mmHg ( 37 °C)

产品线

BioUltra

检测方案

≥98.0% (T)

形式

pellets

技术

cell culture | mammalian: suitable

杂质

insoluble matter, passes filter test
≤0.0003% total nitrogen (N)
≤0.0005% silicon dioxide (SiO2)
≤1.0% sodium carbonate (Na2CO3)

mp

318 °C (lit.)

溶解性

H2O: 1 M at 20 °C, clear, colorless

密度

2.13 g/cm3

痕量阴离子

chloride (Cl-): ≤70 mg/kg
phosphate (PO43-): ≤5 mg/kg
sulfate (SO42-): ≤50 mg/kg

痕量阳离子

Ag: ≤5 mg/kg
Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
Hg: ≤0.1 mg/kg
K: ≤500 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

SMILES字符串

[OH-].[Na+]

λ

1 M in H2O

紫外吸收

λ: 260 nm Amax: 0.015
λ: 280 nm Amax: 0.01

适用性

in accordance for luminescence

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,也称为苛性钠或碱液,是一种白色结晶无味的固体,具有腐蚀性,可从空气中吸收水分。当氢氧化钠溶解在水中时,会产生热量点燃可燃物。氢氧化钠以颗粒的形式溶解后,会形成一种无色的液体,密度比水大。

应用

氢氧化钠通常以固体或 50% 的溶液形式使用。它适用于肥皂、造纸、人造丝、石油产品生产的各个阶段。它也被用于通过 FTIR 分析进行碳水化合物研究。用氢氧化钠作为预处理试剂研究酶解。

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

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

法规信息

危险化学品

分析证书(COA)

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Carbohydrate research, 340(3), 417-428 (2005-02-01)
Cellulose samples treated with sodium hydroxide (NaOH) and carbon dioxide in dimethylacetamide (DMAc) were analyzed by FTIR spectroscopy. Absorbance of hydrogen-bonded OH stretching was considerably decreased by the treatment of NaOH and carbon dioxide. The relative absorbance ratio (A(4000-2995)/A(993)) represented
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Does ulipristal acetate (UPA) used for emergency contraception (EC) interfere with the human embryo implantation process? UPA, at the dosage used for EC, does not affect human embryo implantation process, in vitro. A single pre-ovulatory dose of UPA (30 mg)
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Advanced healthcare materials, 4(1), 121-130 (2014-06-25)
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