Functional Roles
Industries Served
Physical Properties
physical_description
White odorless solid; [JECFA] White odorless crystals; [Mallinckrodt Baker MSDS]
color/form
White crystalline powder
melting_point
MP: 242 u00b0C /EDTA disodium dihydrate/
flash_point
Flash point is> 100 u00b0C,
decomposition
When heated to decomposition it emits toxic fumes of /nitrogen oxides and sodium oxides/.
other_experimental_properties
Crystals, mp 252 u00b0C (decomposes). pH about 5.3. Solublilty in water at 20 u00b0C: 108 g/100 mL /EDTA disodium dihydrate/
GHS / SDS Safety
Warning
Irritant
Health Hazard
- H319 (60.8%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
- H302 (58.1%): Harmful if swallowed [Warning Acute toxicity, oral]
- H315 (58.1%): Causes skin irritation [Warning Skin corrosion/irritation]
- H332 (29.4%): Harmful if inhaled [Warning Acute toxicity, inhalation]
- H335 (56.3%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
- H373 (25.3%): May causes damage to organs through prolonged or repeated exposure [Warning Specific target organ toxicity, repeated exposure]
Chemical Identity
| CAS Number | 139-33-3 |
| IUPAC Name | disodium;2-[2-[carboxylatomethyl(carboxymethyl)amino]ethyl-(carboxymethyl)amino]acetate |
| InChI Key | ZGTMUACCHSMWAC-UHFFFAOYSA-L |
| PubChem CID | 8759 |
| INCI Name | DISODIUM EDTA |
Synonyms & Trade Names
Full Description
Disodium EDTA (CAS 139-33-3) is a specialty additive chemical that functions as a chelating and sequestering agent, binding metal ions to prevent unwanted reactions and degradation. This sodium salt of ethylenediaminetetraacetic acid is widely utilized across beauty & personal care, food & beverage, HI&I cleaning, and water treatment industries for metal ion control applications. The compound has a molecular weight of 336.21 g/mol and exhibits a melting point of 242°C in its dihydrate form.