Stearic Acid

C₁₈H₃₆O₂

IUPAC: Octadecanoic acid

CAS: 57-11-4

Tổng quan

Stearic acid is one of the most common saturated fatty acids found in animal and vegetable fats. It is widely used in soap, candle, and cosmetics manufacturing.

Thành phần

Nguyên tố Ký hiệu Nguyên tử Khối lượng nguyên tử
Hydrogen H 36 1,0080
Carbon C 18 12,0110
Oxygen O 2 15,9990

Thành phần nguyên tố

H
12,8%
C
76,0%
O
11,2%

Công dụng

  • Soap manufacture
  • Candle making
  • Cosmetics
  • Rubber processing

Sự thật thú vị

  • Named from Greek 'stear' meaning hard fat or tallow

Structure

SMILES

CCCCCCCCCCCCCCCCCC(=O)O

Tính chất

Loại
organic
Trạng thái
solid
Khối lượng mol
284,48 g/mol
Mật độ
0,9410 g/cm³
Điểm nóng chảy
69,3 °C
Điểm sôi
383,0 °C
Độ hòa tan
insoluble

Molecular Descriptors

Exact Mass
284,2715
XLogP
7,4
TPSA
37,3 Ų
H-Bond Donors
1
H-Bond Acceptors
2
Rotatable Bonds
16
Heavy Atoms
20
Complexity
202,0

Frequently Asked Questions

What is Stearic Acid?
Stearic Acid (C₁₈H₃₆O₂) is a organic compound with the IUPAC name Octadecanoic acid.
What is the molecular weight of Stearic Acid?
Stearic Acid has a molar mass of 284.48 g/mol.
What state is Stearic Acid at room temperature?
Stearic Acid is a solid at room temperature.
Is Stearic Acid organic or inorganic?
Stearic Acid is classified as an organic compound.
What elements make up Stearic Acid?
Stearic Acid (C₁₈H₃₆O₂) is composed of Hydrogen (H), Carbon (C), Oxygen (O).