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  • Stearic acid CAS#57-11-4
  • Stearic acid CAS#57-11-4
  • Stearic acid CAS#57-11-4
  • Stearic acid CAS#57-11-4
  • Stearic acid CAS#57-11-4

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Stearic acid CAS#57-11-4

Stearic acid CAS#57-11-4

Basic Information

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.


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product description

Product Description of Stearic acid CAS#57-11-4

Stearic acid is industrial grade with purity ≥99%. It is a white waxy solid with a faint fatty smell. Melting point: 69–70 °C, boiling point: 361 °C. Its vapor pressure is lower than 0.1 mmHg at 25 °C, and relative density is 0.940 at 20 °C. It does not dissolve in water, but dissolves in ethanol, ether, benzene and other organic solvents. It keeps stable under normal conditions and should be kept away from strong oxidants and strong bases.


Product Application of Stearic acid CAS#57-11-4

It can act as a curing activator for natural rubber, most synthetic rubber and latex. It is also a key raw material for plasticizers and stabilizers in the plastics industry. In the pharmaceutical field, it is used to make ointments and suppositories, and also widely applied in cosmetics, candles, waterproof agents and polishing agents. In the food industry, it works as a lubricant, defoamer and food additive. It also serves as a raw material for producing glyceryl stearate, sorbitan stearate and sucrose ester.

Product Information

Parameters


Melting point67-72 °C (lit.)
Boiling point361 °C (lit.)
density0.845 g/cm3
bulk density400-500kg/m3
vapor pressure1 mm Hg ( 173.7 °C)
refractive index1.4299
FEMA3035 | STEARIC ACID
Fp>230 °F
storage temp.Store below +30°C.
solubilityPractically insoluble in water, soluble in ethanol (96 per cent) and in light petroleum (bp: 50-70 °C).
formpowder
pkapKa 5.75±0.00(H2O t = 35) (Uncertain)
Specific Gravity0.84 (80℃)
colorWhite
Odorodorless mild fatty
Odor Typeodorless
biological sourcepalm oil
Water Solubility0.1-1 g/100 mL at 23 ºC
Merck148,804
JECFA Number116
BRN608585
Exposure limitsACGIH: TWA 10 mg/m3; TWA 3 mg/m3
Dielectric constant2.3（22℃）
Cosmetics Ingredients FunctionsEMULSION STABILISING
SURFACTANT - CLEANSING
REFATTING
CLEANSING
SURFACTANT - EMULSIFYING
FRAGRANCE
InChIKeyQIQXTHQIDYTFRH-UHFFFAOYSA-N
LogP8.22
CAS DataBase Reference57-11-4(CAS DataBase Reference)
NIST Chemistry ReferenceOctadecanoic acid(57-11-4)
EPA Substance Registry SystemStearic acid (57-11-4)

Safety Information


Hazard CodesXi,F
Risk Statements38-36/37/38-11
Safety Statements37/39-26-16
WGK Germany3
RTECSWI2800000
Autoignition Temperature395 °C
TSCAYes
HS Code38231100
Hazardous Substances Data57-11-4(Hazardous Substances Data)
ToxicityLD50 i.v. in mice, rats: 23±0.7, 21.5±1.8 mg/kg, L. Or, A. Wretlind, Acta Pharmacol. Toxicol. 18, 141 (1961)


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