Stearic acid 57-11-4

Stearic acid, INS (International Numbering System) No. 570, EEC No. 570, CAS [57-11-4], is a white or pale yellowish-white solid; it is soluble in alcohol and acetone, and readily soluble in diethyl ether, chloroform, benzene, carbon tetrachloride, carbon disulphide, pentyl acetate and toluene, among others; its melting point is 69.6 °C, and it is one of the main components of fats and oils.

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Model:
57-11-4
Brand:
bosschemical
Code:
57-11-4

Product Description

Product Name:Stearic acid
CAS:	57-11-4
MF:	C18H36O2
MW:	284.48
EINECS:	266-928-5
Mol File:	57-11-4.mol
Stearic acid Chemical Properties
Melting point	67-72 °C(lit.)
Boiling point	361 °C(lit.)
density	0.84
vapor pressure	1 mm Hg ( 173.7 °C)
FEMA	3035 \| STEARIC ACID
refractive index	1.4299
Fp	>230 °F
storage temp.	2-8°C
solubility	Practically insoluble in water, soluble in ethanol (96 per cent) and in light petroleum (bp: 50-70 °C).
pka	pKa 5.75±0.00(H2O t = 35) (Uncertain)
form	powder
Specific Gravity	0.84 (80℃)
color	White
Water Solubility	0.1-1 g/100 mL at 23 ºC
JECFA Number	116
Merck	148804
BRN	608585
InChIKey	QIQXTHQIDYTFRH-UHFFFAOYSA-N
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)

COA：

Test items	Specification	Results
Appearance	White lump, flake, powder, or granular solid	White powder
Identification	Conform	Conform
Assay of C18	38.0-42.0%	41.8%
Saponification value	206~212	210.3
Acid value	205~211	209.3
I value	≤1.0	0.11
Congealing point	53~57℃	55.5℃
Loss on drying	≤0.1%	0.01%

Stearic acid 57-11-4 Food additive Food quality improver Plastic plasticizer Rubber vulcanization activator Rubber plasticizer Textile dyeing and finishing dispersant Textile dyeing and finishing softener Textile waterproofing agent

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Chemical detection methods

Spectroscopic Analysis Methods

Ultraviolet-Vis Spectrophotometry (UV-Vis)
Infrared Spectroscopy (IR/FTIR)
Atomic Absorption Spectroscopy (AAS)
X-ray Fluorescence Spectroscopy (XRF)
Nuclear Magnetic Resonance Spectroscopy (NMR)

Chromatographic Analysis

Gas Chromatography (GC)
High Performance Liquid Chromatography (HPLC)
Ion Chromatography (IC)
Thin Layer Chromatography (TLC)

Mass Spectrometry Analysis

GC-MS / LC-MS/MS: Qualitative and Quantitative Analysis
ICP-MS: Trace Metal Elements (ppb Level)
TOF-MS: Precise Molecular Weight Determination

Electrochemical analysis methods

Polypotentiometric methods
Conductivity methods
Polarographic methods / Voltammetric methods
Coulometric analysis

Thermal Analysis Methods

Thermogravimetric Analysis (TGA)
Differential Scanning Calorimetry (DSC)
Differential Thermal Analysis (DTA)

Classical wet chemical analysis

Titration analysis
Gravity analysis