Sodium Benzoate

C₇H₅NaO₂

IUPAC: Sodium benzoate

CAS: 532-32-1

Tổng quan

Sodium benzoate (E211) is the most widely used food preservative globally, found in soft drinks, condiments, and cosmetics. It inhibits mold, yeast, and some bacteria.

Thành phần

Nguyên tố Ký hiệu Nguyên tử Khối lượng nguyên tử
Hydrogen H 5 1,0080
Carbon C 7 12,0110
Oxygen O 2 15,9990
Sodium Na 1 22,9900

Thành phần nguyên tố

H
Hydrogen ×5
3,5%
C
Carbon ×7
58,3%
O
Oxygen ×2
22,2%
Na
Sodium ×1
16,0%

Công dụng

  • • Food preservative (E211)
  • • Soft drink preservative
  • • Cosmetics preservative

Sự thật thú vị

  • ✦ Can react with ascorbic acid (vitamin C) to form benzene, a known carcinogen

An toàn

  • ⚠ Can form benzene with vitamin C
  • ⚠ Hyperactivity concern in children

Structure

SMILES

C1=CC=C(C=C1)C(=O)[O-].[Na+]

Tính chất

Loại
salt
Trạng thái
solid
Khối lượng mol
144,10 g/mol
Mật độ
1,4400 g/cm³
Độ hòa tan
556 g/L at 20°C

Molecular Descriptors

Exact Mass
144,0187
TPSA
40,1 Ų
H-Bond Donors
0
H-Bond Acceptors
2
Rotatable Bonds
1
Heavy Atoms
10
Complexity
108,0

Hợp chất liên quan

Diammonium Phosphate

(NH₄)₂HPO₄

Ammonium Chloride

NH₄Cl

Barium Chloride

BaCl₂

Cadmium Sulfide

CdS

Calcium Sulfate

CaSO₄

Cerium(III) Chloride

CeCl₃

Copper(II) Sulfide

CuS

Ammonium Sulfate

(NH₄)₂SO₄

Ammonium Bicarbonate

NH₄HCO₃

Calcium Propionate

Ca(C₂H₅COO)₂

Frequently Asked Questions

What is Sodium Benzoate?
Sodium Benzoate (C₇H₅NaO₂) is a salt compound with the IUPAC name Sodium benzoate.
What is the molecular weight of Sodium Benzoate?
Sodium Benzoate has a molar mass of 144.1 g/mol.
What state is Sodium Benzoate at room temperature?
Sodium Benzoate is a solid at room temperature.
Is Sodium Benzoate organic or inorganic?
Sodium Benzoate is classified as an inorganic compound.
What elements make up Sodium Benzoate?
Sodium Benzoate (C₇H₅NaO₂) is composed of Hydrogen (H), Carbon (C), Oxygen (O), Sodium (Na).