Food and Drug Regulations (C.R.C., c. 870)

B.06.024. [S]. Canthaxanthin shall be the food colour chemically known as canthaxanthin and shall conform to the following specifications:

• (a) one per cent solution in chloroform clear;

• (b) loss of weight on drying not more than 0.2 per cent;

• (c) assay (spectrophotometric) 96 to 101 per cent.

B.06.025. [S]. Ethyl ß-apo-8′-carotenoate shall be the food colour chemically known as ethyl ß-apo-8′-carotenoate and shall conform to the following specifications:

• (a) one per cent solution in chloroform clear

• (b) loss of weight on drying not more than 0.2 per cent, and

• (c) assay (spectrophotometric) 96 to 101 per cent.

B.06.031. [S]. Carbon black shall be carbon prepared from natural gas by the “channel” or “impingement” process and shall contain no higher aromatic hydrocarbons or tarry materials as determined by official method FO-6, Determination of Higher Aromatic Hydrocarbons or Tarry Materials in Carbon Black and Charcoal, October 15, 1981.

B.06.032. [S]. Charcoal shall be carbon prepared by the incomplete combustion of vegetable matter and shall contain no higher aromatic hydrocarbons or tarry materials as determined by official method FO-6, Determination of Higher Aromatic Hydrocarbons or Tarry Materials in Carbon Black and Charcoal, October 15, 1981.

B.06.033. [S]. Titanium Dioxide shall be the chemical substance known as titanium dioxide and shall contain not less than 99 per cent titanium dioxide, and notwithstanding section B.06.006, shall contain not more than 50 parts per million of total antimony expressed as the metal and as determined by an acceptable method.

B.06.041. [S]. Amaranth shall be the trisodium salt of 1-(4-sulpho-1-naphthylazo)-2-naphthol-3,6-disulphonic acid, shall contain not less than 85 per cent dye, as determined by official method FO-7, and may contain not more than

• (a) 0.2 per cent water insoluble matter, as determined by official method FO-8;

• (b) 0.2 per cent combined ether extracts, as determined by official method FO-9;

• (c) 4.0 per cent subsidiary dyes, as determined by official method FO-10; and

• (d) 0.5 per cent intermediates, as determined by official method FO-11.