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重要文件

71183

Sigma-Aldrich

乙酸钠

anhydrous, BioUltra, for luminescence, for molecular biology, ≥99.0% (NT)

同義詞:

无水醋酸钠,无水醋酸钠盐, 乙酸 钠盐

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About This Item

線性公式:
CH3COONa
CAS號碼:
分子量::
82.03
Beilstein:
3595639
EC號碼:
MDL號碼:
分類程式碼代碼:
12161700
eCl@ss:
39021906
PubChem物質ID:
NACRES:
NA.25

等級

for luminescence
for molecular biology

品質等級

產品線

BioUltra

化驗

≥99.0% (NT)

形狀

solid

自燃溫度

1112 °F

雜質

DNases, none detected
RNases, none detected
insoluble matter, passes filter test
phosphatases, none detected
proteases, none detected

損耗

≤0.5% loss on drying, 150 °C

pH值

8.5-10.0 (25 °C, 3 M in H2O)

pKa 

4.76 (acetic acid)

mp

>300 °C (dec.) (lit.)

溶解度

H2O: 3 M at 20 °C, clear, colorless

負離子痕跡

chloride (Cl-): ≤20 mg/kg
phosphate (PO43-): ≤5 mg/kg
sulfate (SO42-): ≤20 mg/kg

正離子痕跡

Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤10 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤200 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤10 mg/kg
Zn: ≤5 mg/kg

SMILES 字串

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

&lambda ;

3 M in H2O

紫外吸收

λ: 260 nm Amax: 0.03
λ: 280 nm Amax: 0.02

InChI

1S/C2H4O2.Na/c1-2(3)4;/h1H3,(H,3,4);/q;+1/p-1

InChI 密鑰

VMHLLURERBWHNL-UHFFFAOYSA-M

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應用

醋酸钠可用作以下应用中的缓冲液:
  • 蛋白质结晶
  • 蛋白质凝胶中凝胶的染色、电泳、色谱中和缓冲液
  • 制备用于hestrin分析的标准品(氯化乙酰胆碱)
  • 用于微流控微生物燃料电池阵列的基质筛选表征

生化/生理作用

无水醋酸钠常用于分子生物学应用。 它可用作DNA消化实验中的缓冲剂,确保反应在最佳pH下进行。一般而言,醋酸钠是纯化、沉淀、结晶和其它需要控制元素含量的应用的首选试剂。醋酸钠在塑料制造中可用作阻滞剂,在染料和皮革鞣制中用作媒染剂。

其他說明

大规模苯酚提取 RNA(用于 mRNA 分离)的提取缓冲液组份

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, Gloves, type N95 (US)


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