Sodium citrate tribasic dihydrate
SIGMA/71402 - BioUltra, Molecular Biology
Synonym: Citric acid trisodium salt dihydrate; Trisodium citrate dihydrate
CAS Number: 6132-04-3
Empirical Formula (Hill Notation): C6H5Na3O7 · 2H2O
Molecular Weight: 294.10
EC Number: 200-675-3
MDL Number: MFCD00150031
Linear Formula: HOC(COONa)(CH2COONa)2 · 2H2O
Product Type: Chemical
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: 71402-100G
This image depicts SKU: 71402-100G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: 71402-250G
This image depicts SKU: 71402-250G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: 71402-1KG
This image depicts SKU: 71402-1KG
| (1) 3.138, (2) 4.76, (3) 6.40 | |
| λ | 0.1 M in H2O |
| anion traces | chloride (Cl-): ≤10 mg/kg |
| sulfate (SO42-): ≤50 mg/kg | |
| cation traces | Al: ≤5 mg/kg |
| As: ≤0.1 mg/kg | |
| Ba: ≤5 mg/kg | |
| Bi: ≤5 mg/kg | |
| Ca: ≤10 mg/kg | |
| Cd: ≤5 mg/kg | |
| Co: ≤5 mg/kg | |
| Cr: ≤5 mg/kg | |
| Cu: ≤5 mg/kg | |
| Fe: ≤5 mg/kg | |
| K: ≤100 mg/kg | |
| Li: ≤5 mg/kg | |
| Mg: ≤5 mg/kg | |
| Mn: ≤5 mg/kg | |
| Mo: ≤5 mg/kg | |
| NH4+: ≤10 mg/kg | |
| Ni: ≤5 mg/kg | |
| Pb: ≤5 mg/kg | |
| Zn: ≤5 mg/kg | |
| form | crystals |
| grade | Molecular Biology |
| impurities | DNases, none detected |
| insoluble matter, passes filter test | |
| phosphatases, none detected | |
| proteases, none detected | |
| RNases, none detected | |
| 11-13% Water (Karl Fischer) | |
| InChI | 1S/C6H8O7.3Na.2H2O/c7-3(8 |
| InChI key | NLJMYIDDQXHKNR-UHFFFAOYSA |
| mp | >300 °C (lit.) |
| pH | 7.5-9.0 (25 °C, 0.1 M in H2O) |
| product line | BioUltra |
| Quality Level | 200  |
| SMILES string | O.O.[Na+].[Na+].[Na+].OC( |
| solubility | H2O: 0.1 M at 20 °C, clear, colorless |
| technique(s) | precipitation assay: suitable |
| UV absorption | λ: 260 nm Amax: 0.02 |
| λ: 280 nm Amax: 0.01 |
| Application: | • Determination of Mycotoxins in Brown Rice Using QuEChERS Sample Preparation and UHPLC-MS-MS.: Sodium citrate tribasic dihydrate is used in the QuEChERS method to extract mycotoxins from rice. This research improves food safety by providing a reliable method for detecting harmful mycotoxins in food products (Jettanajit & Nhujak, 2016  ). |
| Other Notes: | Buffer component in the preparation of total ribosomal RNA from E. coli. |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| mp | >300 °C (lit.) |
| UNSPSC | 12161700 |