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CHLORPICRIN (Nitrochloroform)

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Originally appearing in Volume V06, Page 257 of the 1911 Encyclopedia Britannica.

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CHLORPICRIN (Nitrochloroform)

CHLORPICRIN (Nitrochloroform) , C•NO2•CI3, the product of the See also:

DISTILLATION (from the Lat. distillare, more correctly destillare, to drop or trickle down)

distillation of many nitro compounds (picric See also:

ACID (from the Lat. root ac-, sharp; acere, to be sour)

acid, nitro-methane, &c.) with See also:

BLEACHING

bleaching See also:

POWDER (through O. Fr. puldre, modern poudre, from Lat. pulvis, pulveris, dust)

powder; it can also be prepared by the See also:

ACTION

action of concentrated nitric acid on See also:

CHLORAL

chloral or See also:

CHLOROFORM (trichlor-methane), CHC13

chloroform. A. W. von See also:

Hofmann (Anualen, 1866, 139, p. 111) mixed 10 parts of bleaching powder into a See also:

PASTE (O. Fr. paste, modern pate, Late Lat. pasta, whence also in Span., Port. and Ital., from Gr. 1r&vrrl or 1raara, barley porridge, or salted pottage, ir&ao'ety, to sprinkle with salt)

paste with See also:

COLD (in O. Eng. cald and ceald, a word coming ultimately from a root cognate with the Lat. gelu, gelidus, and common in the Teutonic languages, which usually have two distinct forms for the substantive and the adjective, cf. Ger. Kolte, kalt, Dutch koude

cold See also:

WATER

water and added a See also:

SOLUTION (from Lat. solvere, to loosen, dissolve)

solution (saturated at 3o° C.) of 1 See also:

PART

part of picric acid. A violent reaction is set up and the chlorpicrin distils over, generally without the See also:

NECESSITY (Lat. necessitas)

necessity for any See also:

EXTERNAL

external See also:

HEATING

heating. It is a colourless liquid of boiling-point 112° C., and of specific gravity 1.692. It is almost insoluble in water, but is readily soluble in See also:

ALCOHOL

alcohol; it has a See also:

sharp See also:

SMELL (connected etymologically with " smoulder " and " smoke ")

smell, and its vapour affects the eyes very powerfully. See also:

IRON [symbol Fe, atomic weight 55.85 (0=16)]

Iron filings and acetic acid reduce it to trimethylamine, whilst alcoholic See also:

AMMONIA (NH3)

ammonia converts it into See also:

GUANIDINE, CN3H5

guanidine, HN:C(See also:

NH2

NH2)2, and See also:

SODIUM [symbol Na, from Lat. natrium; atomic weight 23.00 (0=16)]

sodium ethylate into ortho-carbonic. ester, C(OC2H5)4• The corresponding brompicrin is also known.

End of Article: CHLORPICRIN (Nitrochloroform)

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