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Disodium edetate dihydrate

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Disodium edetate dihydrate Basic information

Product Name:
Disodium edetate dihydrate
CAS:
6381-92-6
MF:
C10H18N2Na2O10
MW:
372.24
EINECS:
613-386-6
Mol File:
6381-92-6.mol
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Disodium edetate dihydrate Chemical Properties

Melting point:
250 °C (dec.)(lit.)
Boiling point:
>100 °C
Density 
1.01 g/mL at 25 °C
FEMA 
4520 | ETHYLENEDIAMINETETRAACETIC ACID DISODIUM SALT
refractive index 
n20/D 1.363
Flash point:
>100℃
storage temp. 
2-8°C
solubility 
3  M NaOH: 100 mg/mL
pka
pK1:1.99;pK2:2.67;pK3:6.16;pK4:10.26 (25°C)
form 
crystalline
color 
≤5 (0.5 M)(APHA)
Odor
Odorless
PH
4.0-5.5 (25℃, 0.1M in H2O)
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.
InChIKey
QCDUWWPHAVXXQS-UHFFFAOYSA-L
CAS DataBase Reference
6381-92-6(CAS DataBase Reference)
EPA Substance Registry System
Ethylenediaminetetraacetic acid disodium salt dihydrate (6381-92-6)
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Safety Information

Hazard Codes 
Xi,Xn
Risk Statements 
36-52/53-36/38-36/37/38-22
Safety Statements 
26-61-37/39-36/37/39-36
WGK Germany 
2
RTECS 
AH4025000
3
TSCA 
Yes
HS Code 
29224995
Toxicity
LD50 orally in Rabbit: > 2000 mg/kg

MSDS

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Disodium edetate dihydrate Usage And Synthesis

Chemical Properties

White or almost white, crystalline powder.

Uses

Chelating agent; sequestering agent

Uses

Ethylenediamine tetraacetic acid disodium dihydrate is used as chelating agent for metals and as pharmaceutic aid (chelating agent); as preservative in cosmetic products; anticoagulant.

Definition

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

Purification Methods

Analytical reagent grade material can be used as primary standard after drying at 80o. Commercial grade material can be purified by crystallisation from water or by preparing a 10% aqueous solution at room temperature, then adding ethanol slowly until a slight permanent precipitate is formed, filtering, and adding an equal volume of ethanol. The precipitate is filtered off onto a sintered-glass funnel, is washed with acetone, followed by diethyl ether, and dried in air overnight to give the dihydrate. Drying at 80o for at least 24hours converts it to the anhydrous form. [Beilstein 4 IV 2451.]

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Disodium edetate dihydrateSupplierMore

Spectrum Chemical Manufacturing Corp. Gold
Tel:
18616765336
Email:
marketing_china@spectrumchemical.com;
Shanghai Aladdin Bio-Chem Technology Co.,LTD Gold
Tel:
400-620-6333 021-20337333-801
Email:
market@aladdin-e.com
Nanjing chemical reagent co. LTD Gold
Tel:
13815889511
Email:
3511588639@qq.com
Wuhan Fortuna Chemical Co., Ltd Gold
Tel:
13308628970 027-59207852-
Email:
sales@fortunachem.com
J & K SCIENTIFIC LTD.
Tel:
400-666-7788 010-82848833-
Email:
jkinfo@jkchemical.com;market6@jkchemical.com
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