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Stearic acid 57-11-4

ACIDUM STEARICUM 50;CETYLACETIC ACID;FEMA 3035;CARBOXYLIC ACID C18;C18;C18:0 FATTY ACID;hystrene5016;hystrene7018
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  • 57-11-4

  • bosschemical

  • 57-11-4


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%

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