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U.S. Department of Health and Human Services

CFR - Code of Federal Regulations Title 21

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The information on this page is current as of April 1 2018.

For the most up-to-date version of CFR Title 21, go to the Electronic Code of Federal Regulations (eCFR).

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Help | More About 21CFR
[Code of Federal Regulations]
[Title 21, Volume 3]
[Revised as of April 1, 2018]
[CITE: 21CFR173.320]



TITLE 21--FOOD AND DRUGS
CHAPTER I--FOOD AND DRUG ADMINISTRATION
DEPARTMENT OF HEALTH AND HUMAN SERVICES
SUBCHAPTER B--FOOD FOR HUMAN CONSUMPTION (CONTINUED)

PART 173 -- SECONDARY DIRECT FOOD ADDITIVES PERMITTED IN FOOD FOR HUMAN CONSUMPTION

Subpart D--Specific Usage Additives

Sec. 173.320 Chemicals for controlling microorganisms in cane-sugar and beet-sugar mills.

Agents for controlling microorganisms in cane-sugar and beet-sugar mills may be safely used in accordance with the following conditions:

(a) They are used in the control of microorganisms in cane-sugar and/or beet-sugar mills as specified in paragraph (b) of this section.

(b) They are applied to the sugar mill grinding, crusher, and/or diffuser systems in one of the combinations listed in paragraph (b) (1), (2), (3), or (5) of this section or as a single agent listed in paragraph (b) (4) or (6) of this section. Quantities of the individual additives in parts per million are expressed in terms of the weight of the raw cane or raw beets.

(1) Combination for cane-sugar mills:

Parts per million
Disodium cyanodithioimidocarbonate2.5
Ethylenediamine1.0
Potassium N-methyldithiocarbamate3.5

(2) Combination for cane-sugar mills:

Parts per million
Disodium ethylenebisdithiocarbamate3.0
Sodium dimethyldithiocarbamate3.0

(3) Combinations for cane-sugar mills and beet-sugar mills:

Parts per million
(i) Disodium ethylenebisdithiocarbamate3.0
Ethylenediamine2.0
Sodium dimethyldithiocarbamate3.0
(ii) Disodium cyanodithioimidocarbonate2.9
Potassium N-methyldithiocarbamate4.1

(4) Single additive for cane-sugar mills and beet-sugar mills.

Parts per million
2,2-Dibromo-3-nitrilopropionamide (CAS Reg. No. 10222-01-2). Limitations: Byproduct molasses, bagasse, and pulp containing residues of 2,2-dibromo-3-nitrilopropionamide are not authorized for use in animal feedNot more than 10.0 and not less than 2.0.

(5) Combination for cane-sugar mills:

Parts per million
n-Dodecyl dimethyl benzyl ammonium chloride0.05+/-0.005
n-Dodecyl dimethyl ethylbenzyl ammonium chloride0.68+/-0.068
n-Hexadecyl dimethyl benzyl ammonium chloride0.30+/-0.030
n-Octadecyl dimethyl benzyl ammonium chloride0.05+/-0.005
n-Tetradecyl dimethyl benzyl ammonium chloride0.60+/-0.060
n-Tetradecyl dimethyl ethylbenzyl ammonium chloride0.32+/-0.032

Limitations. Byproduct molasses, bagasse, and pulp containing residues of these quaternary ammonium salts are not authorized for use in animal feed.

(6) Single additive for beet-sugar mills:

Parts per million
glutaraldehyde (CAS Reg. No. 111-30-8)Not more than 250.

(c) To assure safe use of the additives, their label and labeling shall conform to that registered with the Environmental Protection Agency.

[42 FR 14526, Mar. 15, 1977, as amended at 47 FR 35756, Aug. 17, 1982; 50 FR 3891, Jan. 29, 1985; 57 FR 8065, Mar. 6, 1992]

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