CX1725
GR ACS Citric Acid, Monohydrate
Granular
For general questions please contact our Customer Service:
EMD Millipore
290 Concord Road
01821 Billerica, MA
United States
Phone: 781 533-6000
Fax: +49 6151 72 2000
E-mail: Customer.CareDesk@emdchemicals.com
25 May 2012
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| Product information | |||
|---|---|---|---|
| Grade | Meets ACS Specifications | ||
| Chemical formula | HOCOCH2C(OH)(COOH)CH2COOH·H2O | ||
| Molar mass | 210.14 | ||
| CAS number | 5949-29-1 | ||
| Chemical and physical data | |||
|---|---|---|---|
| Molar mass | 210.14 | ||
| Specifications | |
|---|---|
| Appearance of solution (200 g/l, water) | Clear (less than NTU) |
| Appearance | White to almost white or colorless crystals |
| Assay (acidimetric) | 99.5-100.5% |
| Chloride (Cl) | 0.0005% max |
| Copper (Cu) | 5ppm max |
| Heavy metals (as Pb) | 10ppm max |
| Identity (IR-spectrum) | Passes test |
| Residue after ignition | 0.02% max |
| Insoluble matter | 0.005% max |
| Iron (Fe) | 3ppm max |
| Lead (Pb) | 2ppm max |
| Oxalate (C2O4) | To pass test (<0.05%) |
| Phosphate (PO4) | 0.001% max |
| Substances carbonizable by hot sulfuric acid | To pass test |
| Sulfate (SO4) | 0.002% max |
| Water (acc. to Karl Fischer) | 7.5-8.8% |
