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Maleic Anhydride 99.5% AR Grade Reagent

Cas Number:108-31-6
Formula:C4H2O3
Molar Mass:98.06
EC Number:203-571-6

Quantity:
  • AR
  • LABOR
  • 127102129

Maleic Anhydride 99.5% AR Grade Reagent


Cas Number:108-31-6

Formula:C4H2O3

Molar Mass:98.06

EC Number:203-571-6


Physicochemical properties:

White oblique policy crystal.It is sensitive to humidity. Solubility at 25 ° C (g/100 ml): acetone 227, ethyl acetate 112, chloroform 52.5, benzene 50, toluene 23.4, o-xylene 19.4, carbon tetrachloride 0.6, petroleum 0.25. It is soluble in dioxane, soluble in water to form maleic acid, and soluble in ethanol to form an ester. The relative density is 1.48. The melting point is 52.8 ° C. The boiling point is 202.0 ° C. The flash point is 103 °C.


Usage:

Qualitative and quantitative determination of organic compounds with a conjugated double bond. Antiseptic of fats and oils. Organic Synthesis. Biochemical research.


Packing:

500g/25kg




Item of Analysis

Standard

Assay,%

99.5 min

Melting point,℃

52.0~54.0

Transparency of solution

to pass test

Insoluble in water,%

0.005 max

Residue on ignition(as SO4),%

0.01 max

Chloride(Cl),%

0.01 max


Symbol 

Signal word 

Danger

Hazard statement

H302


H314


H317


H334


H372


H402

Precautionary statements—Prevention

P260


P264


P270


P272


P273


P280


P284

Precautionary statements—Response

P301+P312+P330


P301+P330+P331


P303+P361+P353


P304+P340+P310


P305+P351+P338+P310


P333+P313


P342+P311


P362+P364

Precautionary statements—Storage

P405

UN No.

2215

Hazard Class

8

Package Group

III

Flashpoint

103 °C

Melting point

52.8°C

Boiling point

202.0°C





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