Stearic acid CAS#57-11-4
High purity and quality: With a purity of ≥99%, stearic acid ensures consistent performance and reliability in industrial applications.
Excellent thermal stability: Its well-defined melting and boiling points provide stable behavior under processing and high-temperature conditions.
Good solubility in organic solvents: Stearic acid dissolves readily in ethanol, ether, benzene, and other organic solvents, making it easy to incorporate into various formulations.
Stable chemical nature: It is chemically stable and compatible with most materials, ensuring safe storage and long shelf life when kept away from strong oxidants and strong bases.
Products Description of Carboxymethyl Cellulose CAS#57-11-4
Stearic acid is supplied as an industrial-grade product with a purity of 99% or higher. It appears as a white, waxy solid with a slight fatty odor. It has a melting point of 69–70 °C and a boiling point of 361 °C. Its vapor pressure is below 0.1 mmHg at 25 °C, and its relative density is 0.940 at 20 °C. It is insoluble in water but soluble in ethanol, ether, benzene, and other organic solvents. The product is chemically stable but should not be used with strong oxidizing agents or strong bases.
Parameters
| 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 | 148,804 |
| 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
| 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 Carboxymethyl Cellulose CAS#57-11-4
It is used as an activator for the curing of natural rubber, synthetic rubber (except butyl rubber), and latex. It also serves as a raw material for plasticizers and stabilizers in the plastics industry. In pharmaceuticals, it is applied in the production of ointments and suppositories, and it is also used in the manufacture of cosmetics, candles, waterproofing agents, and polishing agents.
In the food industry, this product is utilized as a lubricant, defoaming agent, and food additive, as well as a raw material for producing glycerol stearate, sorbitan stearate esters, and sucrose esters.
