$383
- Part Number:MIL-791725-25KG
- Lead Time:7-14 days
- Quantity:each
- Size:2.5 kg
- Style:chemical
Citric Acid Anhydrous Redi-Dri ACS Reagent ≥99.5% 2.5 Kg
- CAS Number 77-92-9
- Linear Formula HOC(COOH)(CH2COOH)2
- Molecular Weight 192.12
- Beilstein/REAXYS Number 782061
- EC Number 201-069-1
- MDL number MFCD00011669
- PubChem Substance ID 329768287
- NACRES NA.21
| Quality Level | 200 |
| grade | ACS reagent |
| Redi-Dri™ | |
| anhydrous | |
| assay | ≥99.5% |
| quality | free-flowing |
| expl. lim. | 8 %, 65 °F |
| impurities | Substances carbonizable by hot sulfuric acid, passes test |
| ign. residue | ≤0.02% |
| pKa | (1) 3.13, (2) 4.76, (3) 6.4 |
| mp | 153-159 °C (lit.) |
| anion traces | chloride (Cl-): ≤0.001% |
| oxalate (C2O42-): passes test (limit about 0.003%) | |
| phosphate (PO43-): ≤0.001% | |
| sulfate (SO42-): ≤0.002% | |
| cation traces | Fe: ≤3 ppm |
| Pb: ≤2 ppm | |
| SMILES string | OC(=O)CC(O)(CC(O)=O)C(O)=O |
| InChI | 1S/C6H8O7/c7-3(8)1-6(13,5(11)12)2-4(9)10/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12) |
| InChI key | KRKNYBCHXYNGOX-UHFFFAOYSA-N |
General description
Citric acid also called 2-hydroxy-propane-1,2,3-tricarboxylic acid, is a component of the tricarboxylic acid cycle in all organisms. Industrial production of citric acid use fungal, yeast and citrus fruit as the major source. Aspergillus niger is majorly used for citric acid production by fermentation Manganese inhibits fermentative production of citric acid Oral supplementation of citric acid promotes tricarboxylic acid cycle and oxidative phosphorylation in mitochondria, attenuating physical fatigue.
Application
Citric acidhas been used as a component of citrate buffer and Fe-free sauton′s medium. It has been used in hybridization chain reaction buffer for preequilibration of coverslips for testes sections.
GHS07
Signal word Warning
Hazard statements H319
Precautionary statements P264-P280-P305 + P351 + P338-P337 + P313
RIDADR NONH for all modes of transport
WGK Germany 1
RTECS GE7350000
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