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Merck

71913

Sigma-Aldrich

聚钨酸钠

purum p.a., for the preparation of heavy liquid, for sink-float analysis, ≥85% WO3 basis

别名:

偏钨酸钠, 聚钨酸钠(W12)

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About This Item

线性分子式:
3Na2WO4 · 9WO3 · H2O
CAS号:
分子量:
2986.01
EC號碼:
MDL號碼:
分類程式碼代碼:
12352207
PubChem物質ID:
NACRES:
NA.75

等級

for sink-float analysis
purum p.a.

品質等級

化驗

≥85% WO3 basis

形狀

powder or crystals

品質

for the preparation of heavy liquid

技術

titration: suitable

顏色

white to off-white

pH值

3 (20 °C)

密度

3.1 g/cm3 at 20 °C (saturated aqueous solution)

應用

diagnostic assay manufacturing
hematology
histology

儲存溫度

room temp

SMILES 字串

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

InChI

1S/6Na.39O.12W/q6*+1;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;6*-1;;;;;;;;;;;;

InChI 密鑰

AZCSOJKJFMWYCX-UHFFFAOYSA-N

應用

多钨酸钠(SPT)在水中的溶解度很高,广泛用于沉浮分析(重力分离)和密度梯度离心法等重液的生产。

其他說明

用于密度梯度离心的新型介质,密度可调节至3.1 g/ml

象形圖

CorrosionExclamation mark

訊號詞

Danger

危險聲明

危險分類

Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Dam. 1

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 2

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

dust mask type N95 (US), Eyeshields, Gloves


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