Sodium Hydroxide

NaOH

IUPAC: Sodium hydroxide

CAS: 1310-73-2

Tổng quan

Sodium hydroxide (lye/caustic soda) is a strong base widely used in industry. It is highly caustic and can dissolve organic materials including skin and hair.

Thành phần

Nguyên tố Ký hiệu Nguyên tử Khối lượng nguyên tử
Hydrogen H 1 1,0080
Oxygen O 1 15,9990
Sodium Na 1 22,9900

Thành phần nguyên tố

H
Hydrogen ×1
2,5%
O
Oxygen ×1
40,0%
Na
Sodium ×1
57,5%

Công dụng

  • • Soap making
  • • Paper production
  • • Drain cleaner
  • • Petroleum refining

Sự thật thú vị

  • ✦ NaOH is used in the traditional process of making pretzels and lutefisk

An toàn

  • ⚠ Highly corrosive
  • ⚠ Causes severe chemical burns
  • ⚠ Exothermic when dissolved

Structure

SMILES

[OH-].[Na+]

Tính chất

Loại
base
Trạng thái
solid
Khối lượng mol
40,00 g/mol
Mật độ
2,1300 g/cm³
Điểm nóng chảy
318,0 °C
Điểm sôi
1388,0 °C
Độ hòa tan
1110 g/L at 20°C

Molecular Descriptors

Exact Mass
39,9925
TPSA
1,0 Ų
H-Bond Donors
1
H-Bond Acceptors
1
Rotatable Bonds
0
Heavy Atoms
2
Complexity
2,0

Hợp chất liên quan

Calcium Hydroxide

Ca(OH)₂

Magnesium Hydroxide

Mg(OH)₂

Ammonia

NH₃

Aluminum Hydroxide

Al(OH)₃

Barium Hydroxide

Ba(OH)₂

Potassium Hydroxide

KOH

Lithium Hydroxide

LiOH

Sodium Hydroxide Solution

NaOH(aq)

Frequently Asked Questions

What is Sodium Hydroxide?
Sodium Hydroxide (NaOH) is a base compound with the IUPAC name Sodium hydroxide.
What is the molecular weight of Sodium Hydroxide?
Sodium Hydroxide has a molar mass of 40.0 g/mol.
What state is Sodium Hydroxide at room temperature?
Sodium Hydroxide is a solid at room temperature.
Is Sodium Hydroxide organic or inorganic?
Sodium Hydroxide is classified as an inorganic compound.
What elements make up Sodium Hydroxide?
Sodium Hydroxide (NaOH) is composed of Hydrogen (H), Oxygen (O), Sodium (Na).