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Merck
CN

04277

Sigma-Aldrich

正磷酸钠 十二水合物

≥98%

别名:

TSP, Trisodium phosphate (tert) 十二水合物, 磷酸三钠 十二水合物

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About This Item

线性分子式:
Na3PO4 · 12H2O
CAS号:
分子量:
380.12
EC 号:
MDL编号:
UNSPSC代码:
12161700
PubChem化学物质编号:
NACRES:
NA.25

质量水平

检测方案

≥98%

形式

crystalline

杂质

≤0.001% heavy metals (as Pb)
≤2.5% free alkali (as NaOH)

溶解性

boiling water: soluble 1 part
water: soluble 3.5 parts
alcohol: insoluble

密度

1.62 g/mL at 25 °C

痕量阴离子

chloride (Cl-): ≤0.01%
sulfate (SO42-): ≤0.01%

痕量阳离子

As: ≤1 mg/kg
Fe: ≤10 mg/kg

SMILES字符串

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

InChI

1S/3Na.H3O4P.12H2O/c;;;1-5(2,3)4;;;;;;;;;;;;/h;;;(H3,1,2,3,4);12*1H2/q3*+1;;;;;;;;;;;;;/p-3

InChI key

ASTWEMOBIXQPPV-UHFFFAOYSA-K

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应用

用十二水合磷酸钠制备缓冲液,用于高效液相色谱法分析人全血和血浆中的咯萘啶。

生化/生理作用

磷酸钠三碱也被称为磷酸三钠或TSP,是一种广泛使用的清洗剂。磷酸三钠破坏了肠炎沙门氏菌细胞的细胞质和外膜,因此阻止了细菌的传播。 此外,它是铁的腐蚀抑制剂,可抑制无缓冲溶液中阳极铁溶解反应的速率。

象形图

Exclamation mark

警示用语:

Warning

危险声明

危险分类

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

靶器官

Respiratory system

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


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Balamurugan Sampathkumar et al.
Applied and environmental microbiology, 69(1), 122-129 (2003-01-07)
Trisodium phosphate (TSP) is now widely used during the processing of poultry and red meats, but the mechanism whereby it inactivates gram-negative bacteria such Salmonella spp. remains unclear. Thus, Salmonella enterica serovar Enteritidis (ATCC 4931) cells were treated with different
Behaviour of sodium silicate and sodium phosphate (tribasic) as corrosion inhibitors for iron.
R. D. Armstrong
J. Appl. Electrochem., 24, 1244-1248 (1994)
Y C Chen et al.
Journal of chromatography. B, Biomedical sciences and applications, 752(1), 39-46 (2001-03-20)
An improved high-performance liquid chromatography method using a diisopropyl-C14 reversed-phase column (Zorbax Bonus-RP column) and a liquid-liquid extraction technique with UV detection is presented for the analysis of pyronaridine in human whole blood and plasma. Tribasic phosphate buffer (50 mM
Joshua C Cheng et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 35(26), 9689-9700 (2015-07-03)
Temporal summation of pain (TSP), the perception of increasingly greater pain evoked by repetitive noxious stimuli, is highly variable between individuals. Individuals with facilitated pain processing and/or reduced pain-modulatory capabilities are regarded as pronociceptive, whereas individuals with reduced pain processing
Gisela Ferraro et al.
Journal of experimental botany, 66(11), 3381-3389 (2015-04-17)
Glutamate (Glu) is a taste enhancer that contributes to the characteristic flavour of foods. In fruit of tomato (Solanum lycopersicum L.), the Glu content increases dramatically during the ripening process, becoming the most abundant free amino acid when the fruit

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