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71959

Sigma-Aldrich

硫酸钠

BioUltra, anhydrous, ≥99.0% (T)

同義詞:

Disodium sulfate, Sodium sulphate, Sulfuric acid disodium salt

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About This Item

線性公式:
Na2SO4
CAS號碼:
7757-82-6
分子量：:
142.04
EC號碼:
231-820-9
MDL號碼:
MFCD00003504
分類程式碼代碼:
12352302
PubChem物質ID:
57652381
NACRES:
NA.26

等級

anhydrous

品質等級

100

產品線

BioUltra

化驗

≥99.0% (T)

形狀

powder or crystals

雜質

insoluble matter, passes filter test
≤0.0005% total nitrogen (N)

損耗

≤0.2% loss on ignition, 900 °C

pH值

5.0-7.5 (25 °C, 1 M in H2O)

mp

884 °C (lit.)

溶解度

H2O: 1 M at 20 °C, clear, colorless

密度

2.68 g/mL at 25 °C (lit.)

負離子痕跡

chloride (Cl-): ≤10 mg/kg
phosphate (PO43-): ≤20 mg/kg

正離子痕跡

Al: ≤5 mg/kg
As: ≤1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤20 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤100 mg/kg
Li: ≤5 mg/kg
Mg: ≤20 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

&lambda ；

1 M in H2O

紫外吸收

λ: 260 nm Amax: 0.020
λ: 280 nm Amax: 0.018

SMILES 字串

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

InChI

1S/2Na.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2

InChI 密鑰

PMZURENOXWZQFD-UHFFFAOYSA-L

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相關類別

儲存類別代碼

13 - Non 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)

分析證明 (COA)

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