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HomeProduct name listDisodium edetate dihydrate

Disodium edetate dihydrate

Synonym(s):Edetate Disodium;EDTA disodium salt;Edetate disodium dihydrate;Ethylenediaminetetraacetic acid disodium salt dihydrate;Disodium ethylenediaminetetraacetate dihydrate

  • CAS NO.:6381-92-6
  • Empirical Formula: C10H19N2NaO9
  • Molecular Weight: 334.26
  • MDL number: MFCD00150037
  • EINECS: 613-386-6
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-11-19 15:53:33
Disodium edetate dihydrate Structural

What is Disodium edetate dihydrate?

Chemical properties

White or almost white, crystalline powder.

The Uses of Disodium edetate dihydrate

Ethylenediaminetetraacetic acid disodium salt dihydrate is used as chelating agent for metals and as pharmaceutic aid (chelating agent). It inhibits enzymes such as metalloproteases that require divalent cations for activity. It is also used in chelation therapy. It acts as a sequestering agent in shampoos, cleaners and other personal care products and serves as an anticoagulant for blood samples.

Definition

ChEBI: A hydrate that is the dihydrate form of EDTA disodium salt.

General Description

Ethylenediaminetetraacetic acid disodium salt dehydrate is designated as Molecular Biology grade and is suitable for molecular biology applications. It has been analyzed for the presence of nucleases and proteases.

Biochem/physiol Actions

Zinc-dependent metalloproteinases, as well as other proteases that are stabilized by calcium, can be effectively inhibited by chelation of divalent metal ions with EDTA. Other chelators such as EGTA, specific for calcium, and 1,10-phenanthroline, highly specific for zinc, can be used to target these two different types of proteases.

Properties of Disodium edetate dihydrate

Melting point: 250 °C (dec.)(lit.)
Boiling point: >100 °C
Density  1.01 g/mL at 25 °C
refractive index  n20/D 1.363
FEMA  4520 | ETHYLENEDIAMINETETRAACETIC ACID DISODIUM SALT
Flash point: >100℃
storage temp.  room temp
solubility  3  M NaOH: 100 mg/mL
form  crystalline
pka pK1:1.99;pK2:2.67;pK3:6.16;pK4:10.26 (25°C)
color  ≤5 (0.5 M)(APHA)
PH 4.0-5.5 (25℃, 0.1M in H2O)
Odor Odorless
PH Range 4 - 5 at 10 g/l at 23 °C
Water Solubility  soluble
λmax λ: 260 nm Amax: 0.145
λ: 280 nm Amax: 0.025
BRN  3900609
Stability: Stable. Incompatible with strong oxidizing agents.
CAS DataBase Reference 6381-92-6(CAS DataBase Reference)
EPA Substance Registry System Ethylenediaminetetraacetic acid disodium salt dihydrate (6381-92-6)

Safety information for Disodium edetate dihydrate

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
ghs
Health Hazard
GHS08
GHS Hazard Statements H332:Acute toxicity,inhalation
H373:Specific target organ toxicity, repeated exposure
Precautionary Statement Codes P260:Do not breathe dust/fume/gas/mist/vapours/spray.
P271:Use only outdoors or in a well-ventilated area.
P314:Get medical advice/attention if you feel unwell.
P501:Dispose of contents/container to..…

Computed Descriptors for Disodium edetate dihydrate

InChIKey QCDUWWPHAVXXQS-UHFFFAOYSA-L

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