Product Details
Calcium Stearate#1592-23-0
Calcium stearate is also referred to as calcium octadecanoate. It appears as a pale white crystalline powder. Its chemical formula is (C17H35COO)2Ca, with a molecular weight of 607.00. The melting point ranges from 179 to 180 °C, and it decomposes when heated. It is insoluble in water, cold maleic-anhydride.html">material/ethanol.html">ethanol, and diethyl ether, while soluble in hot benzene, toluene, and turpentine. It is slightly soluble in hot ethanol and diethyl ether. It reacts with strong acids and decomposes into stearic acid and the corresponding calcium salt. It absorbs moisture from air and is resistant to lipolytic microorganisms.
Parameters
| Property | Value |
| Melting point | 147-149°C |
| density | 1.08g/cm3 |
| vapor pressure | 0Pa at 25℃ |
| Fp | > 260 °C |
| storage temp. | Store at +5°C to +30°C. |
| solubility | Soluble in hot pyridine, slightly soluble in oil, but insoluble in alcohol and ether. |
| form | Powder |
| color | white |
| PH | 7-9 (2.2 mg/l, H2O, 20°C) |
| Odor | Fatty acid odor |
| Water Solubility | insoluble H2O, ether, chloroform; slightly soluble hot mineral oils [MER06] |
| Merck | 14,1703 |
| BRN | 3919698 |
| Exposure limits | ACGIH: TWA 10 mg/m3; TWA 3 mg/m3 |
| Stability: | Hygroscopic |
| InChIKey | CJZGTCYPCWQAJB-UHFFFAOYSA-L |
| LogP | 3.82-14.34 at 25℃ |
| CAS DataBase Reference | 1592-23-0(CAS DataBase Reference) |
| EPA Substance Registry System | Calcium stearate (1592-23-0) |
Safety Information
| Item | Details |
| Hazard Codes | Xn |
| Risk Statements | 20/21/22-36/37/38 |
| Safety Statements | 22-24/25-36-26 |
| WGK Germany | - |
| RTECS | WI3000000 |
| Autoignition Temperature | 460 °C DIN 51794 |
| TSCA | Yes |
| HS Code | 29157030 |
| Hazardous Substances Data | 1592-23-0(Hazardous Substances Data) |
| Toxicity | LD50 orally in Rabbit: > 10000 mg/kg |
Product Application of Tara gum# 39300-88-4
Calcium stearate serves as a flow agent in various powder products, including certain foods like Smarties. It acts as a surface conditioner in hard candies such as Sprees, a waterproofing agent for textiles, and a lubricant for pencils and crayons.
In the concrete industry, calcium stearate is used to control efflorescence in cementitious materials for manufacturing concrete masonry units such as pavers and blocks, while also providing waterproofing effects.
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