Starch

(C₆H₁₀O₅)ₙ

IUPAC: Starch

CAS: 9005-25-8

Ikhtisar

Starch is a polysaccharide that plants use to store energy. It consists of two polymers: amylose (linear) and amylopectin (branched). It is the most important carbohydrate in the human diet, providing about 50% of caloric intake in most populations.

Komposisi

Unsur Simbol Atom Massa Atom
Hydrogen H 10 1,0080
Carbon C 6 12,0110
Oxygen O 5 15,9990

Komposisi Elemental

H
Hydrogen ×10
6,2%
C
Carbon ×6
44,4%
O
Oxygen ×5
49,3%

Kegunaan

  • • Dietary staple (rice, wheat, potatoes, corn)
  • • Paper sizing and coating
  • • Textile stiffening
  • • Biodegradable packaging

Fakta Menarik

  • ✦ The iodine starch test (turns blue-black) is one of the most well-known chemistry tests

Keselamatan

  • ⚠ Generally safe
  • ⚠ Excessive refined starch intake linked to metabolic disease

Sifat

Jenis
polymer
Keadaan
solid
Massa Molar
162,14 g/mol
Kerapatan
1,5000 g/cm³
Kelarutan
insoluble (forms colloid in hot water)

Juga Dikenal Sebagai

Amylum

Senyawa Terkait

Cellulose

(C₆H₁₀O₅)ₙ

Epoxy Resin DGEBA

C₂₁H₂₄O₄

Kevlar

(C₁₄H₁₀N₂O₂)ₙ

Nylon-6,6

(C₁₂H₂₂N₂O₂)ₙ

Sodium Polyacrylate

(C₃H₃NaO₂)ₙ

Polyethylene

(C₂H₄)ₙ

Polylactic Acid

(C₃H₄O₂)ₙ

Polymethyl Methacrylate

(C₅H₈O₂)ₙ

Polyurethane

(C₃H₂NO)ₙ

Polycarbonate

(C₁₆H₁₄O₃)ₙ

Frequently Asked Questions

What is Starch?
Starch ((C₆H₁₀O₅)ₙ) is a polymer compound with the IUPAC name Starch.
What is the molecular weight of Starch?
Starch has a molar mass of 162.141 g/mol.
What state is Starch at room temperature?
Starch is a solid at room temperature.
Is Starch organic or inorganic?
Starch is classified as an inorganic compound.
What elements make up Starch?
Starch ((C₆H₁₀O₅)ₙ) is composed of Hydrogen (H), Carbon (C), Oxygen (O).