Stearic acid CAS NO.57-11-4 CAS NO.57-11-4

 

Stearic acid Chemical Properties

Melting point	67-72 °C (lit.)
Boiling point	361 °C (lit.)
density	0.845 g/cm3
vapor pressure	1 mm Hg ( 173.7 °C)
FEMA	3035 | STEARIC ACID
refractive index	1.4299
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
Water Solubility	0.1-1 g/100 mL at 23 ºC
JECFA Number	116
Merck	14,8804
BRN	608585
Dielectric constant	2.3（22℃）
Exposure limits	ACGIH: TWA 10 mg/m3; TWA 3 mg/m3
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)

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