---
kind: "section"
citation: "40 C.F.R. § 180.1091"
title: "40"
number: "180.1091"
heading: "Aluminum isopropoxide and aluminum secondary butoxide; exemption from the requirement of a tolerance."
url: "https://uscodex.org/cfr/40/180.1091"
---

# §180.1091. Aluminum isopropoxide and aluminum secondary butoxide; exemption from the requirement of a tolerance.


Aluminum isopropoxide (CAS Reg. No. 555-31-7) and aluminum secondary butoxide (CAS Reg. No. 2269-22-9) are exempted from the requirement of a tolerance when used in accordance with good agricultural practices as stabilizers in formulations of the insecticide amitraz [N′-(2,4-dimethylphenyl)-N-[[(2,4-dimethylphenyl)imino]-N-methylmethanimidamide] applied to growing crops or animals.


## Notes

### Amendments

[53 FR 34509, Sept. 7, 1988; 53 FR 36696, Sept. 21, 1988]

### Authority

Authority: 21 U.S.C. 321(q), 346a and 371.

### Source

Source: 36 FR 22540, Nov. 25, 1971, unless otherwise noted.

### Amendments

[53 FR 34509, Sept. 7, 1988; 53 FR 36696, Sept. 21, 1988]