Product Details
Products Description of Stearic acidCAS#57-11-4
Industrial-grade stearic acid has purity ≥99%. It is a white waxy solid with a mild fatty odor. Melting point 69–70°C, boiling point 361°C. Vapor pressure <0.1 mmHg at 25°C, relative density 0.940 at 20°C. It is insoluble in water and soluble in maleic-anhydride.html">material/ethanol.html">ethanol, ether, benzene and other organic solvents. It is stable and incompatible with strong oxidants and strong bases.
Parameters
| Item | Value |
| Melting point | 67-72 °C (lit.) |
| Boiling point | 361 °C (lit.) |
| density | 0.845 g/cm3 |
| bulk density | 400-500kg/m3 |
| vapor pressure | 1 mm Hg (173.7 °C) |
| refractive index | 1.4299 |
| FEMA | 3035 | STEARIC ACID |
| Fp | >230 °F |
| storage temp. | Store below +30°C. |
| solubility | Practically insoluble in water, soluble in ethanol (96 per cent) and in light petroleum (bp: 50-70 °C). |
| form | powder |
| pka | pKa 5.75±0.00(H2O t = 35) (Uncertain) |
| Specific Gravity | 0.84 (80℃) |
| color | White |
| Odor | odorless mild fatty |
| Odor Type | odorless |
| biological source | palm oil |
| Water Solubility | 0.1-1 g/100 mL at 23 ºC |
| Merck | 14,8804 |
| JECFA Number | 116 |
| BRN | 608585 |
| Exposure limits | ACGIH: TWA 10 mg/m3; TWA 3 mg/m3 |
| Dielectric constant | 2.3(22℃) |
| Cosmetics Ingredients Functions | EMULSION STABILISING; SURFACTANT - CLEANSING; REFATTING; CLEANSING; SURFACTANT - EMULSIFYING; FRAGRANCE |
| InChIKey | QIQXTHQIDYTFRH-UHFFFAOYSA-N |
| LogP | 8.22 |
| CAS DataBase Reference | 57-11-4(CAS DataBase Reference) |
| NIST Chemistry Reference | Octadecanoic acid(57-11-4) |
| EPA Substance Registry System | Stearic acid (57-11-4) |
Safety Information
| Item | Value |
| Hazard Codes | Xi,F |
| Risk Statements | 38-36/37/38-11 |
| Safety Statements | 37/39-26-16 |
| WGK Germany | 3 |
| RTECS | WI2800000 |
| Autoignition Temperature | 395 °C |
| TSCA | Yes |
| HS Code | 38231100 |
| Hazardous Substances Data | 57-11-4(Hazardous Substances Data) |
| Toxicity | LD50 i.v. in mice, rats: 23±0.7, 21.5±1.8 mg/kg, L. Or, A. Wretlind, Acta Pharmacol. Toxicol. 18, 141 (1961) |
Product Application of Stearic acidCAS#57-11-4
It serves as a curing activator for natural rubber, synthetic rubber (excluding butyl rubber) and latex. It is also used as a raw material for plastic plasticizers and stabilizers. In pharmaceuticals, it is used to prepare ointments, suppositories, etc. It is widely used in cosmetics, candles, waterproofing agents and polishes. In food industry, it acts as lubricant, defoamer and food additive, and is a raw material for glyceryl stearate, sorbitan stearate and sucrose esters.
Factory and Equipment Show
Fast delivery time
Inventory: 2–3 working days; New production: 7–10 working days
