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Isobutylene glycol may be considered a kind of butylene glycol, similarly to butane historically including n-butane and i-butane (isobutane). The modern name for the closely related type of compounds is methylpropanediol. There are two stable structural isomers: 2-methylpropane-1,2-diol; 2-methylpropane-1,3-diol
1,3-Butanediol is an organic compound with the formula CH 3 CH(OH)CH 2 CH 2 OH, not to be confused with 1,4 Butanediol. With two alcohol functional groups, the molecule is classified as a diol.
The International Agency for Research on Cancer (IARC) has listed acetaldehyde as a Group 1 carcinogen. [14] ... 1,3-Butylene glycol: 14 ...
1,4-Butanediol, also called Butane-1,4-diol (other names include 1,4-B, BD, BDO and 1,4-BD), [5] is a primary alcohol and an organic compound with the formula HOCH 2 CH 2 CH 2 CH 2 OH. . It is a colorless viscous liquid first synthesized in 1890 via acidic hydrolysis of N,N'-dinitro-1,4-butanediamine by Dutch chemist Pieter Johannes Dekkers, who called it "tetramethylene glyco
In the United States, it is classified as generally recognized as safe (GRAS) based on a National Cancer Institute study from 1979 in rats and mice. [ 21 ] [ page needed ] It is approved for use in the U.S. by the Food and Drug Administration : For example, 21 CFR § 137.350(a)(4) allows BHT up to 0.0033% by weight in "enriched rice", [ 22 ...
However, parabens have not been proven to cause breast cancer. [9] Estimates by the U.S. Food and Drug Administration and the Center for Food Safety and Applied Nutrition have found that the average person is exposed to about 37 ng of butylparaben per day. [1] Butylparaben has been found in small concentrations in human breast fat and breast ...
2,3-Butylene glycol Pseudobutylene glycol 2,3-Dihydroxybutane Butan-2,3-diol Diethanol [citation needed] & Bis-ethanol. Identifiers CAS Number.
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