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CAS 51-03-6

CAS 51-03-6 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 51-03-6
CAS 51-03-6PubChem CID 5794

Piperonyl Butoxide

Piperonyl butoxide is a pale yellow to light brown liquid with a mild odor and a faint bitter taste. (NTP, 1992) — CAMEO Chemicals

IUPAC name
5-[2-(2-butoxyethoxy)ethoxymethyl]-6-propyl-1,3-benzodioxole
Molecular formula
C19H30O5
Molecular weight
338.4 g/mol
Exact mass
338.20932405 Da
XLogP3
3.7
Topological polar surface area
46.2 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
5
Covalent units
1
Defined stereocentres
0

Also known as

ButacideButocideButoxidePyrenone 606Butyl carbitol 6-propylpiperonyl etherButoxide (synergist)6-Propylpiperonyl butyl diethylene glycol etherButoxide, Piperonyl
16 more reported names
NCI-C02813FMC 5273NIA 5273Piperonyl butoxydeENT 14,2502-(2-Butoxyethoxy)ethyl 6-propylpiperonyl etherNSC-8401Piperonyl butoxide, technical1,3-Benzodioxole, 5-((2-(2-butoxyethoxy)ethoxy)methyl)-6-propyl-LWK91TU9AH3,4-Methylenedioxy-6-propylbenzyl n-butyl diethyleneglycol etherPiperonyl butoxide technical6-(Propylpiperonyl)-butyl carbityl etherButyl-carbityl (6-propylpiperonyl) ether1,3-Benzodioxole, 5-[[2-(2-butoxyethoxy)ethoxy]methyl]-6-propyl-alpha-(2-(2-n-Butoxyethoxy)-ethoxy)-4,5-methylenedioxy-2-propyltoluene
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External database identifiers

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 51-03-6

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How CAS 51-03-6 is used on this site

CAS 51-03-6 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 EU annex records share this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 51-03-6 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.