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Substance
ID:180616
Structure
Similarity
Functional Group
Text
ID:132358
Ethylenediaminetetraacetic acid tetrasodium salt hydrate
Sigma Aldrich
ID: ED4S
Names and Identifiers
Synonyms
乙二胺四乙酸四钠盐 水合物
Ethylenediaminetetraacetic acid tetrasodium salt hydrate
依地酸
EDTA 四钠盐
乙二胺四乙酸 四钠盐 水合物
IUPAC Traditional name
tetrasodium ion(4-) edta hydrate
IUPAC name
tetrasodium 2-({2-[bis(carboxylatomethyl)amino]ethyl}(carboxylatomethyl)amino)acetate hydrate
Registration numbers
Beilstein Number
3861753
CAS Number
194491-31-1
MDL Number
MFCD00150025
EC Number
200-573-9
PubChem SID
24894710
Properties
Safety Information
GHS Pictograms
Corrosive to metals, category 1
Skin corrosion, categories 1A,1B,1C
Serious eye damage, category 1
Acute toxicity (oral, dermal, inhalation), category 4
Skin irritation, category 2
Eye irritation, category 2
Skin sensitisation, category 1
Specific Target Organ Toxicity – Single exposure, category 3
GHS Precautionary statements
P280
-
P305+P351+P338
GHS Signal Word
Danger
GHS Hazard statements
H302
-
H318
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Risk Statements
22
-
41
Safety Statements
26
-
39
-
46
European Hazard Symbols
Harmful (Xn)
German water hazard class
2
Product Information
Grade
practical grade
Purity
≥95%
Molecule Details
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。
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。
Molecular Spectra
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