Fluorescein

C₂₀H₁₂O₅

IUPAC: 3',6'-Dihydroxy-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one

CAS: 2321-07-5

Tổng quan

Fluorescein is a synthetic fluorescent dye that glows bright green under UV light. It is used in ophthalmology, water tracing, and forensics.

Thành phần

Nguyên tố Ký hiệu Nguyên tử Khối lượng nguyên tử
Hydrogen H 12 1,0080
Carbon C 20 12,0110
Oxygen O 5 15,9990

Thành phần nguyên tố

H
Hydrogen ×12
3,6%
C
Carbon ×20
72,3%
O
Oxygen ×5
24,1%

Công dụng

  • • Ophthalmology (eye examination)
  • • Water flow tracing
  • • Forensic detection
  • • Fluorescence microscopy

Sự thật thú vị

  • ✦ Used to trace water flow in rivers, caves, and sewage systems due to its intense fluorescence

An toàn

  • ⚠ Non-toxic at standard doses

Structure

SMILES

C1=CC=C2C(=C1)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O

Tính chất

Loại
organic
Trạng thái
solid
Khối lượng mol
332,31 g/mol
Mật độ
1,6020 g/cm³
Điểm nóng chảy
314,0 °C
Độ hòa tan
slightly soluble

Molecular Descriptors

Exact Mass
332,0685
XLogP
3,4
TPSA
76,0 Ų
H-Bond Donors
2
H-Bond Acceptors
5
Rotatable Bonds
0
Heavy Atoms
25
Complexity
522,0

Hợp chất liên quan

Caffeine

C₈H₁₀N₄O₂

Coumarin

C₉H₆O₂

Acetone

(CH₃)₂CO

Acrylic Acid

C₃H₄O₂

Cysteine

C₃H₇NO₂S

DDT

C₁₄H₉Cl₅

Alanine

C₃H₇NO₂

Diazepam

C₁₆H₁₃ClN₂O

Dichloromethane

CH₂Cl₂

Butane

C₄H₁₀

Frequently Asked Questions

What is Fluorescein?
Fluorescein (C₂₀H₁₂O₅) is a organic compound with the IUPAC name 3',6'-Dihydroxy-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one.
What is the molecular weight of Fluorescein?
Fluorescein has a molar mass of 332.31 g/mol.
What state is Fluorescein at room temperature?
Fluorescein is a solid at room temperature.
Is Fluorescein organic or inorganic?
Fluorescein is classified as an organic compound.
What elements make up Fluorescein?
Fluorescein (C₂₀H₁₂O₅) is composed of Hydrogen (H), Carbon (C), Oxygen (O).