Merck
CN

S9390

Sigma-Aldrich

磷酸钠 二元 七水合物

ACS reagent, 98.0-102.0%

登录to View Organizational & Contract Pricing

Select a Size

Change View
别名:
磷酸氢二钠, 磷酸氢二钠 七水合物
线性分子式:
Na2HPO4 · 7H2O
CAS号:
分子量:
268.07
EC 号:
MDL编号:
PubChem化学物质编号:
NACRES:
NA.21

等级

ACS reagent

质量水平

蒸汽密度

4.9 (vs air)

检测方案

98.0-102.0%

形式

powder

杂质

≤0.005% Insoluble matter

pH值(酸碱度)

8.7-9.3 (25 °C, 5% in solution)

密度

1.68 g/mL at 25 °C (lit.)

痕量阴离子

chloride (Cl-): ≤0.001%
sulfate (SO42-): ≤0.005%

痕量阳离子

Fe: ≤0.001%
heavy metals: ≤0.001% (by ICP)

SMILES string

O.O.O.O.O.O.O.[Na+].[Na+].OP([O-])([O-])=O

InChI

1S/2Na.H3O4P.7H2O/c;;1-5(2,3)4;;;;;;;/h;;(H3,1,2,3,4);7*1H2/q2*+1;;;;;;;;/p-2

InChI key

PYLIXCKOHOHGKQ-UHFFFAOYSA-L

正在寻找类似产品? Visit 产品对比指南

相关类别

比较类似商品

查看完整比较结果

显示差异

1 of 4

此商品
S24294314781.06575
di-Sodium hydrogen phosphate heptahydrate for analysis EMSURE® ACS

Supelco

1.06575

七水合磷酸氢二钠

assay

98.0-102.0%

assay

98.0-100.5% dry basis

assay

≥99.99% trace metals basis

assay

98.0-102.0% (acidimetric)

form

powder

form

powder, crystals or chunks

form

solid

form

solid

impurities

≤0.005% Insoluble matter

impurities

-

impurities

≤0.005% insolubles, <100 ppm total metallic impurities

impurities

≤0.005% Insoluble matter

pH

8.7-9.3 (25 °C, 5% in solution)

pH

9.0-9.3 (25 °C, 50 g/L)

pH

8.7-9.3

pH

8.7-9.3 (25 °C, 50 g/L in H2O)

density

1.68 g/mL at 25 °C (lit.)

density

1.68 g/mL at 25 °C (lit.)

density

1.68 g/mL at 25 °C (lit.)

density

1.68 g/mL at 25 °C (lit.)

一般描述

七水合磷酸二钠是磷酸二钠(DSP)或正磷酸氢二钠的水合形式。DSP 被广泛用作 pH 调节剂和生理盐水泻药。

应用

七水二磷酸钠、磷酸一碱钾和 NaCl 在去离子水中的混合物用于制备磷酸盐缓冲盐水(PBS,pH值7.4)。PBS 在生物学研究中用作缓冲溶液,以保持 pH 恒定。

储存分类代码

13 - Non Combustible Solids

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable


分析证书(COA)

输入产品批号来搜索 分析证书(COA) 。批号可以在产品标签上"批“ (Lot或Batch)字后找到。

Already Own This Product?

Documents related to the products that you have purchased in the past have been gathered in the Document Library for your convenience.

Visit the Document Library

Difficulty Finding Your Product Or Lot/Batch Number?

在网站页面上,产品编号会附带包装尺寸/数量一起显示(例如:T1503-25G)。请确保 在“产品编号”字段中仅输入产品编号 (示例: T1503).

示例

T1503
货号
-
25G
包装规格/数量

其它示例:

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

输入内容 1.000309185)

遇到问题?欢迎随时联系我们技术服务 寻求帮助

批号可以在产品标签上"批“ (Lot或Batch)字后面找到。

Aldrich 产品

  • 如果您查询到的批号为 TO09019TO 等,请输入去除前两位字母的批号:09019TO。

  • 如果您查询到的批号含有填充代码(例如05427ES-021),请输入去除填充代码-021的批号:05427ES。

  • 如果您查询到的批号含有填充代码(例如 STBB0728K9),请输入去除填充代码K9的批号:STBB0728。

未找到您寻找的产品?

部分情况下,可能未在线提供COA。如果搜索不到COA,可在线索取。

索取COA

其他客户在看

Slide 1 of 1

1 of 1

Sodium phosphate dibasic BioXtra, &#8805;99.0%

Sigma-Aldrich

S7907

磷酸钠 二元

Irina Petrova et al.
Scientific reports, 9(1), 8745-8745 (2019-06-21)
Circulating cancer markers are metabolic products found in body fluids of cancer patients, which are specific for a certain type of malignant tumors. Cancer marker detection plays a key role in cancer diagnosis, treatment, and disease monitoring. The growing need
Sebastian Baumann et al.
Science advances, 6(11), eaaz1588-eaaz1588 (2020-03-24)
Through the asymmetric distribution of messenger RNAs (mRNAs), cells spatially regulate gene expression to create cytoplasmic domains with specialized functions. In neurons, mRNA localization is required for essential processes such as cell polarization, migration, and synaptic plasticity underlying long-term memory
Christian M Schürch et al.
Cell, 182(5), 1341-1359 (2020-08-09)
Antitumoral immunity requires organized, spatially nuanced interactions between components of the immune tumor microenvironment (iTME). Understanding this coordinated behavior in effective versus ineffective tumor control will advance immunotherapies. We re-engineered co-detection by indexing (CODEX) for paraffin-embedded tissue microarrays, enabling simultaneous
Walter Grünberg et al.
The British journal of nutrition, 110(6), 1012-1023 (2013-04-03)
Hypophosphataemia is frequently encountered in dairy cows during early lactation. Although supplementation of P is generally recommended, controversy exists over the suitability of oral P supplementation in animals with decreased or absent rumen motility. Since the effects of transruminal P
Francesca Vallese et al.
Nature communications, 11(1), 6069-6069 (2020-11-29)
Membrane contact sites between virtually any known organelle have been documented and, in the last decades, their study received momentum due to their importance for fundamental activities of the cell and for the subtle comprehension of many human diseases. The

商品

Teriparatide Peptide Mapping Analysis by Liquid Chromatography-UV-Mass Spectrometry

This application note describes a step-by-step LC-UV-MS workflow for teriparatide peptide mapping, that includes enzymatic digestion, separation conditions, and their high resolution QTOF mass spectrometer based identification.

我们的科学家团队拥有各种研究领域经验,包括生命科学、材料科学、化学合成、色谱、分析及许多其他领域.

联系技术服务部门