EX0539
GR ACS EDTA, Disodium Salt, Dihydrate
For general questions please contact our Customer Service:
EMD Millipore
290 Concord Road
01821 Billerica, MA
United States
Phone: 781 533-6000
Fax: +49 6151 72 2000
E-mail: Customer.CareDesk@emdchemicals.com
25 May 2012
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GR ACS EDTA, Disodium Salt, Dihydrate
EX0539-1 500g Poly Bottle
| Product information | |||
|---|---|---|---|
| Grade | Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs | ||
| Synonyms | (Ethylenedinitrilo)tetraacetic Acid, Disodium Salt, Dihydrate | ||
| Chemical formula | (HOOCCH2)2NCH2CH2N(CH2COONa)2·2H2O | ||
| Molar mass | 372.24 | ||
| CAS number | 6381-92-6 | ||
| Chemical and physical data | |||
|---|---|---|---|
| Molar mass | 372.24 | ||
| Specifications | |
|---|---|
| Appearance | white to almost white, crystalline powder |
| Assay (complexometric) | 99.0-101.0% |
| Heavy metals (as Pb) | 0.005% max |
| Identity (IR-spectrum) | conforms |
| Insoluble matter | 0.005% max |
| Iron (Fe) | 0.001% max |
| Nitrilotriacetic acid [(HOCOCH2)3 N] | 0.1% max |
| pH (50 g/l; water) | 4.0-6.0 |
