Utah Admin. Code 66-31-8

Current through Bulletin 2024-23, December 1, 2024

Section R66-31-8 - Residual Solvent Standards

(1) A sample and related batch of cannabinoid product fails quality assurance testing for residual solvents if the results exceed the limits provided in Table 4 unless the solvent is:

(a) a component of the product formulation;

(b) listed as an ingredient; and

(c) generally considered to be safe for the intended form of use.

TABLE 4 List of Solvents and Action Levels
Solvent	Chemical Abstract Service	Action level
	(CAS)Registry number	Ppm
1,2 Dimethoxyethane	110-71-4	100
1,4 Dioxane	123-9	380
1-Butanol	71-36-3	5,000
1-Pentanol	71-41-0	5,000
1-Propanol	71-23-8	5,000
2-Butanol	78-92-2	5,000
2-Butanone	78-93-3	5,000
2-Ethoxyethanol	110-80-5	160
2-methylbutane	78-78-4	5,000
2-Propanol (IPA)	67-63-0	5,000
Acetone	67-64-1	5,000
Acetonitrile	75-05-8	410
Benzene	71-43-2	2
Butane	106-97-8	5,000
Cumene	98-82-8	70
Cyclohexane	110-82-7	3,880
Dichloromethane	75-09-2	600
2,2-dimethylbutane	75-83-2	290
2,3-dimethylbutane	79-29-8	290
1,2-dimethylbenzene	95-47-6	See Xylenes
1,3-dimethylbenzene	108-38-3	See Xylenes
1,4-dimethylbenzene	106-42-3	See Xylenes
Dimethyl sulfoxide	67-68-5	5,000
Ethanol	64-17-5	5,000
Ethyl acetate	141-78-6	5,000
Ethylbenzene	100-41-4	See Xylenes
Ethyl ether	60-29-7	5,000
Ethylene glycol	107-21-1	620
Ethylene Oxide	75-21-8	50
Heptane	142-82-5	5,000
n-Hexane	110-54-3	290
Isopropyl acetate	290	5,000
Methanol	67-56-1	3,000
Methylpropane	75-28-5	5,000
2-Methylpentane	107-83-5	290
3-Methylpentane	96-14-0	290
N,N-dimethylacetamide	127-19-5	1,090
N,N-dimethylformamide	68-12-2	880
Pentane	109-66-0	5,000
Propane	74-98-6	5,000
Pyridine	110-86-1	100
Sulfolane	126-33-0	160
Tetrahydrofuran	109-99-9	720
Toluene	108-88-3	890
Xylenes	1330-20-7	2,170

(2) Xylenes is a combination of the following:

(a) 1,2-dimethylbenzene;

(b) 1,3-dimethylbenzene;

(c) 1,4-dimethylbenzene; and

(d) ethyl benzene.

Utah Admin. Code R66-31-8

Adopted by Utah State Bulletin Number 2024-10, effective 5/13/2024

Amended by Utah State Bulletin Number 2024-22, effective 10/30/2024