跳轉至內容
Merck
全部照片(1)

重要文件

33506

Sigma-Aldrich

草酸 二水合物

puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥99.5% (manganometric)

同義詞:

乙二酸

登入查看組織和合約定價


About This Item

線性公式:
HO2CCO2H · 2H2O
CAS號碼:
分子量::
126.07
Beilstein:
3679436
EC號碼:
MDL號碼:
分類程式碼代碼:
12352100
eCl@ss:
39021701
PubChem物質ID:
NACRES:
NA.21

等級

ACS reagent
puriss. p.a.

品質等級

agency

USP/NF
reag. ISO
reag. Ph. Eur.

蒸汽密度

4.4 (vs air)

蒸汽壓力

<0.01 mmHg ( 20 °C)

化驗

≥99.5% (manganometric)

形狀

crystals

雜質

foreign organic matter, in accordance
≤0.001% total nitrogen (N)

燃燒殘留物

≤0.01% (as SO4)

mp

104-106 °C (lit.)

負離子痕跡

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

正離子痕跡

Ca: ≤5 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤2 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg
heavy metals: ≤5 ppm (by ICP-OES)

官能基

carboxylic acid

SMILES 字串

[H]O[H].[H]O[H].OC(=O)C(O)=O

InChI

1S/C2H2O4.2H2O/c3-1(4)2(5)6;;/h(H,3,4)(H,5,6);2*1H2

InChI 密鑰

GEVPUGOOGXGPIO-UHFFFAOYSA-N

尋找類似的產品? 前往 產品比較指南

相關類別

一般說明

草酸二水合物晶体是单斜晶体,并显示出空间群 P21/n。每个晶胞包含两个分子。已评估了草酸二水合物中的 13C 化学位移屏蔽张量。

應用

草酸二水合物已用于制备草酸酯前体,其=可用于合成氧化锌纳米粉。它可用于制备液相色谱流动相中的 0.01M 草酸溶液。

象形圖

CorrosionExclamation mark

訊號詞

Danger

危險聲明

危險分類

Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Eye Dam. 1

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 1

個人防護裝備

dust mask type N95 (US), Eyeshields, Gloves


從最近期的版本中選擇一個:

分析證明 (COA)

Lot/Batch Number

未看到正確版本?

如果您需要一個特定的版本,您可以透過批號來尋找特定憑證。

已經擁有該產品?

您可以在文件庫中找到最近購買的產品相關文件。

存取文件庫

客戶也查看了

Jungang Jiang et al.
Carbohydrate polymers, 247, 116727-116727 (2020-08-25)
Nanocellulose is a promising material but its isolation generally requires unrecyclable hazardous chemicals and high energy consumption and its overall yield is low due to the use of high purity cellulose as precursor. In order to overcome these shortcomings, in
José Miguel Hidalgo Herrador et al.
Molecules (Basel, Switzerland), 25(16) (2020-08-23)
The use of renewable local raw materials to produce fuels is an important step toward optimal environmentally friendly energy consumption. In addition, the use of these sources together with fossil fuels paves the way to an easier transition from fossil
Francesca Capolongo et al.
Journal of AOAC International, 85(1), 8-14 (2002-03-07)
Residues of oxytetracycline (OTC) in edible tissues (muscle, liver, and kidney) of 18 turkeys were determined after continuous administration of the drug for 3 days in drinking water at the maximum recommended concentration of 400 mg/L. The European Union (EU)
The effect of the rate of precursor production on the purity and aggregation morphology of nanoparticulate zinc oxide.
Duffy GM, et al.
Journal of Materials Chemistry, 17(2), 181-184 (2007)
13C chemical shielding in oxalic acid, oxalic acid dihydrate, and diammonium oxalate.
Griffin RG, et al.
J. Chem. Phys. , 63(3), 1267-1271 (1975)

我們的科學家團隊在所有研究領域都有豐富的經驗,包括生命科學、材料科學、化學合成、色譜、分析等.

聯絡技術服務