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242284 Sigma-Aldrich

Aniline

ACS reagent, ≥99.5%

Properties

grade   ACS reagent
vapor density   3.22 (185 °C, vs air)
vapor pressure   0.7 mmHg ( 25 °C)
assay   ≥99.5%
autoignition temp.   1139 °F
expl. lim.   11 %
impurities   Hydrocarbons, passes test
  Nitrobenzene, passes test(lim. ~0.001%)
  ≤0.01% chlorobenzene
ign. residue   ≤0.005%
color   APHA: ≤250
refractive index   n20/D 1.586(lit.)
bp   184 °C(lit.)
mp   −6 °C(lit.)
density   1.022 g/mL at 25 °C(lit.)

Description

Biochem/physiol Actions

The acute toxicity of aniline involves its activation in vivo to 4-hydroxyaniline and the formation of adducts with hemoglobin. In erythrocytes, this is associated with the release of iron and the accumulation of methemoglobin and the development of hemolytic anemia and inflammation of the spleen. Tumor formation is often observed in the spleen on prolonged administration.

Packaging

100, 500 g in glass bottle

5, 100, 500 mL in glass bottle

Physical properties

Material darkens in storage to reddish-brown with no loss in purity.

Price and Availability

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