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20840

Sigma-Aldrich

二甲胂酸钠 三水合物

purum p.a., ≥98.0% (T)

同義詞:

二甲基胂酸 钠盐 三水合物, 二甲胂酸 钠盐, 卡可基酸 钠盐

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About This Item

線性公式:
(CH3)2AsO2Na · 3H2O
CAS號碼:
分子量::
214.03
Beilstein:
3702348
EC號碼:
MDL號碼:
分類程式碼代碼:
12352100
PubChem物質ID:
NACRES:
NA.21

等級

purum p.a.

品質等級

化驗

≥98.0% (T)

形狀

solid

負離子痕跡

chloride (Cl-): ≤100 mg/kg
sulfate (SO42-): ≤200 mg/kg

正離子痕跡

Ca: ≤100 mg/kg
Cd: ≤50 mg/kg
Co: ≤50 mg/kg
Cu: ≤50 mg/kg
Fe: ≤50 mg/kg
K: ≤500 mg/kg
Ni: ≤50 mg/kg
Pb: ≤50 mg/kg
Zn: ≤50 mg/kg

SMILES 字串

[Na+].[H]O[H].[H]O[H].[H]O[H].C[As](C)([O-])=O

InChI

1S/C2H7AsO2.Na.3H2O/c1-3(2,4)5;;;;/h1-2H3,(H,4,5);;3*1H2/q;+1;;;/p-1

InChI 密鑰

RLGWPHBPRCROJO-UHFFFAOYSA-M

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一般說明

二甲砷酸钠三水合物是一种生物缓冲液。已通过单晶X射线衍射研究分析了其晶体。研究表明,它的晶体呈现两相,即, 五-μ-水-二钠(I)双(砷酸二甲酯){[Na2(H2O)5](C2H6AsO2)2}n 和二-μ-水-双[三嗪(I)]双(砷酸二甲酯)[Na2(H2O)8](C2H6AsO2)2

應用

二甲砷酸钠三水合物可作为缓冲液,用于在电子显微镜研究中维持pH 7.4。 它可作为二甲砷酸盐缓冲液的组分,用于电子显微镜研究。

訊號詞

Danger

危險分類

Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B

儲存類別代碼

6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

水污染物質分類(WGK)

WGK 3

個人防護裝備

Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges


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