Acidity (as acetic acid). 0.02 percent by weight, maximum.
Color. Colorless.
Odor. Characteristic odor.
Refractive index at 20 °C. 1.396 to 1.404.
Specific gravity at 20 °/20 °C. 0.800 to 0.835.
Distillation range. No distillate should come over below 123 °C. and none above 129 °C.