§ 186.1555 21 CFR Ch. I (4–1–13 Edition)

percentages of total fatty acids by car- § 186.1557 Tall oil. bon chain length are 15 to 30 percent (a) Tall oil (CAS Reg. No. 8002–26–4) is each of C , C , C , C , less than 10 16 18 20 22 essentially the sap of the pine tree. It percent C or lower carbon chain 14 is obtained commercially from the length, and less than 1 percent C or 24 waste liquors of pinewood pulp mills higher carbon chain length fatty acids. and consists mainly of tall oil resin (c) The ingredient is used as a con- acids and tall oil fatty acids. stituent of cotton and cotton fabrics used for dry food packaging. (b) In accordance with § 186.1(b)(1), the ingredient is used as an indirect (d) The ingredient is used at levels human food ingredient with no limita- not to exceed good manufacturing tion other than current good manufac- practice in accordance with § 186.1(b)(1). turing practice. The affirmation of this (e) Prior sanctions for this ingredient ingredient as generally recognized as different from the use established in safe (GRAS) as an indirect human food this section do not exist or have been ingredient is based on the following waived. current good manufacturing practice [44 FR 28323, May 15, 1979, as amended at 49 conditions of use: FR 5614, Feb. 14, 1984; 58 FR 17099, Apr. 1, (1) The ingredient is used as a con- 1993] stituent of cotton and cotton fabrics used for dry food packaging. § 186.1555 Japan wax. (2) The ingredient is used at levels (a) Japan wax (CAS Reg. No. 8001–39– not to exceed current good manufac- 6), also known as Japan tallow or turing practice. sumac wax, is a pale yellow vegetable (c) Prior sanctions for this ingredient tallow, containing glycerides of the different from the uses established in C19-C23 dibasic acids and a high content this section, or from those listed in of tripalmitin. It is prepared from the part 181 of this chapter, do not exist or mesocarp by hot pressing of immature have been waived. fruits of the oriental sumac, Rhus succedanea (Japan, Taiwan, and Indo- [51 FR 16830, May 7, 1986] China), R. vernicifera (Japan), and R. trichocarpa (China, Indo-China, India, § 186.1673 Pulp. and Japan). Japan wax is soluble in hot (a) Pulp is the soft, spongy pith in- alcohol, benzene, and naphtha, and in- side the stem of a plant such as wood, soluble in water and in cold alcohol. straw, sugarcane, or other natural (b) In accordance with paragraph plant sources. (b)(1) of this section, the ingredient is (b) The ingredient is used or intended used as an indirect human food ingre- for use as a constituent of food pack- dient with no limitation other than aging containers. current good manufacturing practice. (c) The ingredient is used in paper The affirmation of this ingredient as and paperboard made by conventional generally recognized as safe (GRAS) as paper-making processes at levels not to an indirect human food ingredient is exceed good manufacturing practice. based on the following current good (d) Prior sanctions for this ingredient manufacturing practice conditions of different from the uses established in use: this section do not exist or have been (1) The ingredient is used as a con- waived. stituent of cotton and cotton fabrics used for dry food packaging. § 186.1750 Sodium chlorite. (2) The ingredient is used at levels (a) Sodium chlorite (NaCLO , CAS not to exceed current good manufac- 2 Reg. No. 7758–19–2) exists as slightly turing practice. hygroscopic white crystals or flakes. It (c) Prior sanctions for this ingredient is manufactured by passing chlorine di- different from the uses established in oxide into a solution of sodium hydrox- this section do not exist or have been ide and hydrogen peroxide. waived. (b) the ingredient is used at levels [60 FR 62208, Dec. 5, 1995] from 125 to 250 parts per million as a

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