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E5391

乙二胺四乙酸 四钠盐 水合物

≥99.0%

别名:

EDTA 四钠盐, 乙二胺四乙酸四钠盐 水合物, 依地酸

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关于此项目

线性分子式:
(NaOOCCH2)2NCH2CH2N(CH2COONa)2 · xH2O
化学文摘社编号:
194491-31-1
分子量:
380.17 (anhydrous basis)
UNSPSC Code:
12352204
NACRES:
NA.83
PubChem Substance ID:
24894613
EC Number:
200-573-9
Beilstein/REAXYS Number:
3861753
MDL number:
MFCD00150025
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biological source

synthetic (organic)

Quality Level

200

assay

≥99.0%

form

powder

technique(s)

ligand binding assay: suitable

impurities

Insoluble matter, passes filter test

pH

11.0-12.0 (0.1 M in H2O)

solubility

H2O: 0.1 M, clear, colorless

anion traces

chloride (Cl-): ≤0.05%, sulfate (SO42-): ≤0.01%

cation traces

Al: ≤0.001%, As: ≤0.0001%, Ba: ≤0.0005%, Bi: ≤0.0005%, Ca: <0.001%, Cd: ≤0.0005%, Co: ≤0.0005%, Cr: ≤0.0005%, Cu: ≤0.0005%, Fe: ≤0.0005%, Li: ≤0.0005%, Mg: ≤0.0005%, Mn: ≤0.0005%, Mo: ≤0.0005%, Ni: ≤0.0005%, Pb: ≤0.0005%, Sr: ≤0.0005%, Zn: ≤0.0005%

absorption

≤0.06 at 280 in H2O at 0.1 M, ≤1.5 at 260 in H2O at 0.1 M

application(s)

sample preparation

storage temp.

room temp

SMILES string

O.[Na+].[Na+].[Na+].[Na+].[O-]C(=O)CN(CCN(CC([O-])=O)CC([O-])=O)CC([O-])=O

InChI

1S/C10H16N2O8.4Na.H2O/c13-7(14)3-11(4-8(15)16)1-2-12(5-9(17)18)6-10(19)20;;;;;/h1-6H2,(H,13,14)(H,15,16)(H,17,18)(H,19,20);;;;;1H2/q;4*+1;/p-4

InChI key

GXFFSKMBMYHTAE-UHFFFAOYSA-J

Application

EDTA 为金属蛋白酶抑制剂，有效浓度为 1-10 mM。EDTA 可用作金属蛋白酶活性中心锌离子的螯合剂，并且还可抑制其他依赖金属离子的蛋白酶，例如依赖钙的半胱氨酸蛋白酶。作为抗凝血剂时，通常使用 EDTA 的二钠或三钾盐。最佳浓度为每 mL 血液 1.5mg。
用于消除痕量重金属对酶的抑制作用，并抑制需要二价阳离子作为辅助因子的酶。

Preparation Note

室温下溶于水的最大浓度可达 1.45M。该溶液的 pH 值约为 10 至 11，而且粘度较大。

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Danger

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - STOT RE 2

target_organs

Respiratory Tract

存储类别

11 - Combustible Solids

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
STBK8841
STBK8095
STBK4551
STBK6051
STBK4685

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全球贸易项目编号

货号GTIN
E5391-1KG04061833604267
E5391-20KG04061833604274
E5391-250G04061833604281