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Acetic Anhydride 98.5% AR Grade Reagent

Cas Number:108-24-7
Formula:C4H6O3
Molar Mass:102.09
EC Number:203-564-8

Quantity:
  • AR
  • LABOR
  • 100602104

This product is regulated and can only be purchased by authorized users.Please contact us for details.


Acetic Anhydride 98.5% AR Grade Reagent


Cas Number:108-24-7

Formula:C4H6O3

Molar Mass:102.09

EC Number:203-564-8


Physicochemical properties:

Colorless transparent liquid which has a strong acetic acid odor. Sour. It is hygroscopic. The refractive index is extremely high. Soluble in chloroform and ether, slowly dissolved in water to form acetic acid. It reacts with ethanol to form ethyl acetate. The relative density (d154) is 1.080. The melting point is -73 ° C. The boiling point is 139 ° C. The refractive index (n20D) is 1.3904. The flash point is 54 °C. The self-ignition point is 400 °C. Low toxicity, half lethal dose (rat, oral) 1780mg/kg. Combustible.


Usage:

The reagent used for acetylation in the analysis. The moisture in acetic acid, cotton, and starch is measured. The alcohol, aromatic primary amine and secondary amine are tested. Determination of total cholesterol in serum. Dehydration agent in organic synthesis (sulfonation, nitration). Production of acetate and acetyl compounds. Synthetic drugs and dyes.


Packing:

500ml/25L/200L






Item of Analysis

Standard

Assay,%

98.5 max

Evaporating leavings,%

0.002 min

Chloride(Cl),%

0.0002 min

Sulfate(SO4) ,%

0.0005 min

Phosphate(PO4) ,%    

0.0005 min

Ferric(Fe) ,%

0.0001 min

Copper(Cu),%

0.0001 min

Lead(Pb),%

0.0001 min

Substance reducing potassium permanganate(as O),%

0.015 min


Symbol 

Signal word 

Danger

Hazard statement

H226


H302

H314


H330


H318

Precautionary statements—Prevention

P210


P233


P240


P241


P242


P243


P260


P264


P270


P271


P280


P284

Precautionary statements—Response

P301+P312+P330


P301+P330+P331


P303+P361+P353


P304+P340+P310


P305+P351+P338+P310


P363


P370+P378

Precautionary statements—Storage

P403+P233


P403+P235


P405

UN No.

1715

Hazard Class

8+3

Package Group

II

Flashpoint

54 °C

Boiling point

139°C

Freezing point

-73 °C

Self-ignition point

400 °C



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