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Merck
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文件

04277

Sigma-Aldrich

正磷酸钠 十二水合物

≥98%

同義詞:

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

線性公式:
Na3PO4 · 12H2O
CAS號碼:
分子量::
380.12
EC號碼:
MDL號碼:
分類程式碼代碼:
12161700
PubChem物質ID:
NACRES:
NA.25

品質等級

化驗

≥98%

形狀

crystalline

雜質

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

溶解度

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

密度

1.62 g/mL at 25 °C

負離子痕跡

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

正離子痕跡

As: ≤1 mg/kg
Fe: ≤10 mg/kg

SMILES 字串

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 密鑰

ASTWEMOBIXQPPV-UHFFFAOYSA-K

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應用

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。

象形圖

Exclamation mark

訊號詞

Warning

危險聲明

危險分類

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

標靶器官

Respiratory system

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 1

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

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


分析證明 (COA)

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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

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