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3,4-Methylenedioxyphenylpropan-2-one [1] or piperonyl methyl ketone (MDP2P or PMK) is a chemical compound consisting of a phenylacetone moiety substituted with a methylenedioxy functional group. It is commonly synthesized from either safrole (which, for comparison, is 3-[3,4-(methylenedioxy)phenyl]-2-propene) or its isomer isosafrole via ...
1,3-Dichloro-1,1,2,2,3-pentafluoropropane (HCFC-225cb, chemical formula C 3 HF 5 Cl 2) is a hydrochlorofluorocarbon.It is a volatile derivative of propane which has served as an HCFC replacement for the CFC, 1,1,2-trichloro-1,2,2-trifluoroethane which was used as a cleaning agent which has been used in the aerospace and electronics industries since the phase out of class 1 ozone depleting ...
1,4-butane sultone is a six-membered δ-sultone and the cyclic ester of 4-hydroxybutanesulfonic acid.As a sulfo-alkylating agent, 1,4-butanesultone is used to introduce the sulfobutyl group (–(CH 2) 4 –SO 3 −) into hydrophobic compounds possessing nucleophilic functional groups, for example hydroxy groups (as in the case of β-cyclodextrin [1]) or amino groups (as in the case of ...
[2] [3] On 7 June 2024, Prime Minister Narendra Modi confirmed the support of 293 MPs to Droupadi Murmu, the president of India. [4] This marked Modi's third term as prime minister and his first time heading a coalition government , [ 5 ] with the Telugu Desam Party of Andhra Pradesh and Janata Dal (United) of Bihar emerging as two main allies.
Elvis: A Legendary Performer Volume 3 is a compilation album featuring recordings by American singer Elvis Presley.It was the third in a series of albums that began with Elvis: A Legendary Performer Volume 1 in 1974, the first to be released since Presley's death in 1977, and the last edition until Elvis: A Legendary Performer Volume 4 in 1983.
[28] 1,4-Dioxane was present in ethoxylated raw ingredients at levels up to 1410 ppm (~0.14%wt), and at levels up to 279 ppm (~0.03%wt) in off the shelf cosmetic products. [28] Levels of 1,4-dioxane exceeding 85 ppm (~0.01%wt) in children's shampoos indicate that close monitoring of raw materials and finished products is warranted. [28] While ...
This would be followed by developing and producing new and modernized warheads, including the B61-12, W80-4, W87-1 Mod, and W88 Alt 370; deploying a new, nuclear-armed sea-launched cruise missile; deploying as-yet-unproven directed-energy and space-based weapons and a "cruise missile defense of the homeland." [84]
1-Bromo-3-chloropropane is an organohalogen compound with the formula Br(CH 2) 3 Cl. It is a colorless liquid, produced by free-radical addition of hydrogen bromide to allyl chloride. [1] It is used as an alkylating agent to install the –(CH 2) 3 Cl [2] [3] and –(CH 2) 3 – groups. [4] For example, it is a precursor to 4-chlorobutyronitrile.