BRAZIL WOOD

This article appears in Volume V04, Page 463 of the Encyclopedia Britannica.

Encyclopedia Britannica - Main :: BOS-BRI

BRAZIL WOOD , a dye

wood

WOOD, ANTHONY A2 (1632-1695)
WOOD, JOHN GEORGE (1827—1889)
WOOD, MRS
HENRY
- HENRY
- HENRY (1129-1195)
- HENRY (c. 1108-1139)
- HENRY (c. 1174–1216)
- HENRY (Fr. Henri; Span. Enrique; Ger. Heinrich; Mid. H. Ger. Heinrich and Heimrich; O.H.G. Haimi- or Heimirih, i.e. " prince, or chief of the house," from O.H.G.
  heim
  - HEIM, ALBERT VON ST GALLEN (1849- )
  - HEIM, FRANCOIS JOSEPH (1787-1865)
  , the Eng.
  home
  - HOME
  - HOME, DANIEL DUNGLAS (1833-1886)
  - HOME, EARLS OF
  , and rih, Goth. reiks; compare Lat. rex " king "—" rich," therefore " mig
- HENRY, EDWARD LAMSON (1841– )
- HENRY, JAMES (1798-1876)
- HENRY, JOSEPH (1797-1878)
- HENRY, MATTHEW (1662-1714)
- HENRY, PATRICK (1736–1799)
- HENRY, PRINCE OF
  BATTENBERG
  - BATTENBERG
  (1858-1896)
- HENRY, ROBERT (1718-1790)
- HENRY, VICTOR (1850– )
- HENRY, WILLIAM (1795-1836)
[ELLEN] (1814—1887)
WOOD, SEARLES VALENTINE (1798—188o)

of commercial importance, obtained from the West Indies and

South

SOUTH
SOUTH, ROBERT (1634–1716)

America, belonging to the genera Caesalpinia and Peltophorum of the natural order Leguminosae. There are several woods of the kind, commercially distinguished as Brazil

wood

WOOD, ANTHONY A2 (1632-1695)
WOOD, JOHN GEORGE (1827—1889)
WOOD, MRS
HENRY
- HENRY
- HENRY (1129-1195)
- HENRY (c. 1108-1139)
- HENRY (c. 1174–1216)
- HENRY (Fr. Henri; Span. Enrique; Ger. Heinrich; Mid. H. Ger. Heinrich and Heimrich; O.H.G. Haimi- or Heimirih, i.e. " prince, or chief of the house," from O.H.G.
  heim
  - HEIM, ALBERT VON ST GALLEN (1849- )
  - HEIM, FRANCOIS JOSEPH (1787-1865)
  , the Eng.
  home
  - HOME
  - HOME, DANIEL DUNGLAS (1833-1886)
  - HOME, EARLS OF
  , and rih, Goth. reiks; compare Lat. rex " king "—" rich," therefore " mig
- HENRY, EDWARD LAMSON (1841– )
- HENRY, JAMES (1798-1876)
- HENRY, JOSEPH (1797-1878)
- HENRY, MATTHEW (1662-1714)
- HENRY, PATRICK (1736–1799)
- HENRY, PRINCE OF
  BATTENBERG
  - BATTENBERG
  (1858-1896)
- HENRY, ROBERT (1718-1790)
- HENRY, VICTOR (1850– )
- HENRY, WILLIAM (1795-1836)
[ELLEN] (1814—1887)
WOOD, SEARLES VALENTINE (1798—188o)

, Nicaragua or Peach wood, Pernambuco wood and

Lima

LIMA

wood, each of which has a different commercialvalue, although the tinctorialprincipletheyyield is similar. Commercial Brazil wood is imported for the use of dyers in billets of large size, and is a dense compact wood of a reddish brown colour, rather

bright

BRIGHT, JOHN (1811-188g)
BRIGHT, SIR CHARLES TILSTON

when freshly cut, but becoming dull on exposure. The colouring-matter of Brazil wood, brazilin, C16H1405, crystallizes with 12 H2O, and is freely soluble in water; it is extracted for use by simple infusion or decoction of the coarsely-powdered wood. When freshly prepared the extract is of a yellowish tint; but by contact with the air, or the addition of an alkaline solution, it develops a brick-red colour. This is due to the formation of brazilein, C16H1205H2O, which is the colouring matter used by the dyer. Brazilin crystallizes in hexagonal amber yellow crystals, which are soluble in water and alcohol. The solution when free of oxygen is colourless, but on the access of air it assumes first a yellow and thereafter a reddish yellow colour. With soda-ley it takes a brilliant deep

carmine

CARMINE

tint, which colour may be discharged by heating in a closed vessel with zinc dust, in which condition the solution is excessively sensitive to oxygen, the slightest exposure to air immediately giving a deep

carmine

CARMINE

. With tin mordants Brazil wood gives brilliant but fugitive steam reds in calico-printing; but on account of the loose nature of its dyes it is seldom used except as an adjunct to other colours. It is used to form lakes which are employed in tinting papers, staining

paper

PAPER
PAPER (Fr. papier, from Lat. papyrus)

-hangings, and for various other decorative purposes.

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