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Tetrahydrofuran 99.9% HPLC Grade Reagent

Cas Number:109-99-9
Formula: C4H8O
Molar Mass:72.11
EC Number:203-726-8

Quantity:
  • HPLC
  • LABOR
  • 502921204

Tetrahydrofuran 99.9% HPLC Grade Reagent


Cas Number:109-99-9

Formula: C4H8O

Molar Mass:72.11

EC Number:203-726-8


Physicochemical properties:

Colorless liquid with ether-like odor. It is miscible with water, alcohols, ethers, ketones, esters and hydrocarbons. The relative density (d 204) is 0.8892. The melting point is  -108.5 ° C. The boiling point is 66 ° C. The refractive index (n  20D) is 1.4070.The flash point is  -17 ° C. Combustible. Irritating. It is easy to form peroxide during storage, and can be added with 0.0025% to 0.025% 2,6-di-tert-butyl-p-cresol (BHT) as a stabilizer.


Usage:

High-pressure liquid chromatography UV spectrophotometric analysis. Paper chromatography of amino acids and peptides. Solvent. Organic Synthesis.


Packing:

500ml/2.5L/4L




Item of Analysis

Standard

Assay,%

99.9 min

Density(20)g/ml

0.887~0.889

Refractive index,n20/D

1.407~1.408

Evaporating leavings,%

0.001 max

Moisture,%

0.02 max

Boiling point,℃

67±1

Absorbance 230,nm

1.0 max

Absorbance 270,nm

0.1 max

Absorbance 310,nm

0.01 max


Symbol 

Signal word 

Danger

Hazard statement

H225


H302


H313


H319


H335


H336


H351

Precautionary statements—Prevention

P201


P202


P210


P233


P240


P241


P242


P243


P261


P264


P270


P271


P280

Precautionary statements—Response

P301+P312+P330


P303+P361+P353


P304+P340+P312


P305+P351+P338


P312


P337+P313


P370+P378

Precautionary statements—Storage

P403+P233


P403+P235


P405

UN No.

2056

Hazard Class

3

Package Group

II

Flashpoint

-17°C

Boiling point

66°C

Melting point

-108.5°C



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