1,2-Cyclohexylenedinitrilotetraacetic acid
- CAS NO.：13291-61-7
- Empirical Formula: C14H22N2O8
- Molecular Weight: 346.34
- MDL number: MFCD00003845
- EINECS: 236-308-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-07-02 08:55:16
What is 1,2-Cyclohexylenedinitrilotetraacetic acid?
Chemical properties
white powder
The Uses of 1,2-Cyclohexylenedinitrilotetraacetic acid
1,2-Cyclohexylenedinitrilotetraacetic Acid is used as a chelating agent in the phytoextraction of Ni from contaminated soil.
The Uses of 1,2-Cyclohexylenedinitrilotetraacetic acid
1,2-Cyclohexanedinitrilotetraacetic acid
Flammability and Explosibility
Not classified
Purification Methods
Dissolve CDTA in aqueous NaOH as its disodium salt, then precipitate it by adding HCl. The free acid is filtered off and boiled with distilled water to remove traces of HCl [Bond & Jones Trans Faraday Soc 55 1310 1959]. Recrystallise it from water and dry it in vacuo.[Beilstein 13 III 10.]
Properties of 1,2-Cyclohexylenedinitrilotetraacetic acid
| Melting point: | 213-216 °C(lit.) |
| Boiling point: | 670.8±55.0 °C(Predicted) |
| Density | 1.48±0.1 g/cm3(Predicted) |
| vapor pressure | 0Pa at 25℃ |
| storage temp. | Sealed in dry,Room Temperature |
| pka | 1.78±0.10(Predicted) |
| form | Solid |
| color | White to off-white |
| Water Solubility | 425.4g/L at 25℃ |
| Stability: | Stable. Incompatible with strong oxidizing agents. Combustible. |
| CAS DataBase Reference | 13291-61-7(CAS DataBase Reference) |
| EPA Substance Registry System | Glycine, N,N'-(1R,2R)-1,2-cyclohexanediylbis[N-(carboxymethyl)-, rel- (13291-61-7) |
Safety information for 1,2-Cyclohexylenedinitrilotetraacetic acid
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P330:Rinse mouth. P362:Take off contaminated clothing and wash before reuse. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352:IF ON SKIN: wash with plenty of soap and water. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P332+P313:IF SKIN irritation occurs: Get medical advice/attention. P337+P313:IF eye irritation persists: Get medical advice/attention. P405:Store locked up. P403+P233:Store in a well-ventilated place. Keep container tightly closed. P501:Dispose of contents/container to..… |
Computed Descriptors for 1,2-Cyclohexylenedinitrilotetraacetic acid
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