Calcium stearate is carboxylate of calcium, classified as a calcium soap. It is a component of some lubricants, surfactants, as well as many foodstuffs. It is a white waxy powder.
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+91 79 26608012/13/14
Calcium stearate is carboxylate of calcium, classified as a calcium soap. It is a component of some lubricants, surfactants, as well as many foodstuffs. It is a white waxy powder.
| Product Name | CALCIUM STEARATE IP/BP/EP/USP |
| Synonym | |
| Product Code | CALC25-1 |
| Chemical Formula | C36H70CaO4 |
| Molecular Weight | 607.03 g·mol−1 |
| CAS No. | 1592-23-0 |
| Standard Pack Size | 25 KG |
| Storage | Store in cool and dry place. |
| Retest Period | 1 YEAR |
| Application |
| Sr. No. | Test | Specifications | Reference |
| 1. | Description | A white or almost white powder. | IP/BP/EP/USP |
| 2. | Solubility | Practically insoluble in water, ether, chloroform, acetone; slightly soluble in ethanol (95%). | IP/BP/EP/USP |
| 3. | Identification | (A) Gives the test for calcium (B) Congealing temperature: Not below 540 C. (C) The residue has a freezing point not lower than 53 °C. (D) The acid value of the fatty acids is 195 to 210 | (A) IP/BP/EP/USP (B) IP/BP/EP (C) & (D) BP/EP |
| 4. | Acidity Or Alkalinity | NMT0.5 ml of 0.01 M hydrochloric acid or 0.01 M sodium hydroxide is required to change the colour of the indicator. | BP/EP |
| 5. | Composition Of Fatty Acid | To comply the test by gas chromatography. | IP/BP/EP/USP |
| 6. | Chlorides | Maximum 0.1% w/w. | BP/EP |
| 7. | Sulfates | Maximum 0.3% w/w. | BP/EP |
| 8. | Cadmium | Maximum 3 ppm . (Atomic absorption spectrometry) | BP/EP |
| 9. | Lead | Maximum 10 ppm (Atomic absorption spectrometry) | BP/EP |
| 10. | Nickel | Maximum 5 ppm. (Atomic absorption spectrometry) | BP/EP |
| 11. | Microbial Contamination | (A) Total aerobic microbial count: Maximum 1000 cfu/g. (B) Total yeast and mould count : Maximum 100 cfu/g (C) Escherichia coli & Salmonella: Should be absent. | BP/EP |
| 12. | Loss On Drying | (A) Not more than 4.0% w/w at 105 Celcius (B) Not more than 6.0% w/w at 105 Celcius | (A) IP/USP (B) BP/EP |
| 13. | Heavy Metals | Not more than 10 ppm. | IP/USP |
| 14. | Assay (A) Calcium Stearate (B) Fatty Acid Composition: (1) Stearic Acid (2) Sum Of Stearic Acid & Palmitic Acid | (A) Between 9.0 % w/w. to 10.5 % w/w of ‘CaO’, . (B) Between 6.4% to 7.4%w/w. (1) Minimum 40.0% w/w. (2) Minimum 90.0% w/w. | (A) IP (B) BP/EP/USP (1) & (2) IP/BP/EP/USP |
| 15. | Bulk Density | Between 0.2 g/ml to 0.4 g ml | IHS |
| 16. | Tap Density | Between 0.4 g/ml to 0.6 g ml | IHS |
| 17. | Sieve Analysis (A) (-) 100# (B) (-) 200# (C) (-) 300# | (A) 100.00% w/w (B) NLT 70.00% w/w (C) NLT 50.00% w/w | IHS |