$1 139
- Part Number:MIL-C1909-12KG
- Lead Time:7-14 days
- Quantity:each
- Size:12 kg
- Style:chemical
Citric Acid Monohydrate Acs Reagent ≥99.0% 12 Kg
- CAS Number 5949-29-1
- Linear Formula HOC(COOH)(CH2COOH)2 · H2O
- Molecular Weight 210.14
- Beilstein/REAXYS Number 4018641
- EC Number 201-069-1
- MDL number MFCD00149972
- PubChem Substance ID 24892446
- NACRES NA.21
| Quality Level | 200 |
| grade | ACS reagent |
| assay | ≥99.0% |
| impurities | Substances carbonizable by hot sulfuric acid, passes test |
| ≤0.005% Insoluble matter | |
| ign. residue | ≤0.02% |
| pKa | (1) 3.13, (2) 4.76, (3) 6.4 |
| solubility | H2O: soluble 54 % (w/w) at 10 °C (Citric acid in water) |
| H2O: 59.2 % (w/w) at 20 °C (Citric acid in water) | |
| H2O: 84.0 % (w/w) at 100 °C (Citric acid in water) | |
| anion traces | chloride (Cl-): ≤0.001% |
| oxalate (C2O42-): passes test (limit about 0.05%) | |
| phosphate (PO43-): ≤0.001% | |
| sulfate (SO42-): ≤0.002% | |
| cation traces | Fe: ≤3 ppm |
| Pb: ≤2 ppm | |
| SMILES string | OC(CC(O)(C(O)=O)CC(O)=O)=O.O |
| InChI | 1S/C6H8O7.H2O/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);1H2 |
| InChI key | YASYEJJMZJALEJ-UHFFFAOYSA-N |
General description
Citric acid monohydrate is an organic acid. Its molar enthalpy of solution in water has been reported to be ΔsolHm (298.15K, m = 0.0203molkg-1) = (29061±123)Jmol-1. It can be produced by crystallization from mother liquor of citric acid solution at 20-25°C during citric acid synthesis. An investigation of its crystal growth kinetics indicates that growth is linearly dependent on size.
Application
Citric acid monohydrate was used in the preparation of citric acid solution employed in the acetone method of 68Ga pre-purification and radiolabeling technique.
It may be used:
• As release-modifying agent to improve the release of diltiazem hydrochloride from melt extruded Eudragit RS PO tablets.
• To prepare citrate buffer for use in the preparation of platelets for intravital microscopy.
• To prepare Tris-citrate buffer employed for the electrophoresis of bacterial enzymes.
GHS07
Signal word Warning
Hazard statements H319
Precautionary statements P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US), Eyeshields, Gloves
RIDADR NONH for all modes of transport
WGK Germany 1
RTECS GE7810000
Flash Point(F) 343.4 °F
Flash Point(C) 173 °C
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