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存储条件： 英文名：Sodium acetate trihydrate |
CAS号：6131-90-4 产品别名：三水醋酸钠;醋酸钠;醋酸钠,结晶;乙酸钠,三水;乙酸钠三水合物;结晶醋酸钠;结晶乙酸钠;三水合乙酸钠SODIUM ACETATE 3H2O;SODIUM ACETATE-3-HYDRATE;SODIUM ACETATE TRIHYDRATE;SODA CAUSTIC;ACETIC ACID SODIUM SALT TRIHYDRATE;Natriumacetat-trihydrat;sodiumethanoatetrihydrate;SODIUM ACETATE TRI.HYD. show |
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存储条件： 英文名：Sodium acetate trihydrate |
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CAS号：6131-90-4 产品别名：三水醋酸钠;醋酸钠;醋酸钠,结晶;乙酸钠,三水;乙酸钠三水合物;结晶醋酸钠;结晶乙酸钠;三水合乙酸钠SODIUM ACETATE 3H2O;SODIUM ACETATE-3-HYDRATE;SODIUM ACETATE TRIHYDRATE;SODA CAUSTIC;ACETIC ACID SODIUM SALT TRIHYDRATE;Natriumacetat-trihydrat;sodiumethanoatetrihydrate;SODIUM ACETATE TRI.HYD. show |
产品描述
Other Notes
乙酸激酶的底物 (EC 2.7.2.1)
Application
Sodium acetate trihydrate may be used in the fabrication of silicone/sodium acetate trihydrate hybrid, a water-responsive shape memory hybrid.[4]
General description
Sodium acetate trihydrate can be obtained from the crystallization of sodium acetate in water. On heating at 75°C, it melts, while on heating above 120°C it loses water of crystallization and gets converted into anhydrous form.[1] The hyperfine proton and 13C splittings have been evaluated by recording ESR spectra of its irradiated single crystals. ESR studies suggested the existence of trapped methyl radicals.[2] Its crystals are monoclinic and their structure has been investigated by photographic methods. Unit cell parameters were evaluated.[3]
性质
| Related Categories | Chemical Synthesis, Essential Chemicals, Inorganic Salts, Research Essentials, Salts, |
| InChI Key | AYRVGWHSXIMRAB-UHFFFAOYSA-M |
| grade | puriss. |
| assay | 99.0-101.0% (calc. to the dried substance) |
| autoignition temp. | 1112 °F |
| quality | meets analytical specification of Ph. Eur., BP, USP, FCC, E262 |
| impurities | organic volatile impurities, complies (GC) |
| reducing matter, complies | |
| residual solvents, in accordance | |
| ≤0.00002% Al | |
| ≤0.001% heavy metals (as Pb) | |
| ≤0.002% KMnO4 red. matter (as O) | |
| ≤0.1% KMnO4 red. matter (as HCOOH) | |
| loss | 39.0-40.5% loss on drying, 130 °C |
| pH | 7.5-9.0 (20 °C, 5%) |
| anion traces | chloride (Cl-): ≤50 mg/kg |
| sulfate (SO42-): ≤50 mg/kg | |
| cation traces | Al: ≤0.2 mg/kg |
| As: ≤2 mg/kg | |
| Ca: ≤20 mg/kg | |
| Cu: ≤10 mg/kg | |
| Fe: ≤10 mg/kg | |
| Hg: ≤1 mg/kg | |
| K: ≤200 mg/kg | |
| Mg: ≤20 mg/kg | |
| Pb: ≤2 mg/kg | |
| Zn: ≤10 mg/kg | |
| suitability | complies for appearance of solution |
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