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Estimates on the prevalence of propylene glycol allergy range from 0.8% (10% propylene glycol in aqueous solution) to 3.5% (30% propylene glycol in aqueous solution). [ 70 ] [ 71 ] [ 72 ] The North American Contact Dermatitis Group (NACDG) data from 1996 to 2006 showed that the most common site for propylene glycol contact dermatitis was the ...
Chemically it is a polyether, and, more generally speaking, it's a polyalkylene glycol (PAG) H S Code 3907.2000. The term polypropylene glycol or PPG is reserved for polymer of low- to medium-range molar mass when the nature of the end-group, which is usually a hydroxyl group, still matters. The term "oxide" is used for high-molar-mass polymer ...
Molecular weight (M.W.) (for molecular compounds) and formula weight (F.W.) (for non-molecular compounds), are older terms for what is now more correctly called the relative molar mass (M r). [8] This is a dimensionless quantity (i.e., a pure number, without units) equal to the molar mass divided by the molar mass constant. [notes 1]
The nominal chemical formula of P123 is HO(CH 2 CH 2 O) 20 (CH 2 CH(CH 3)O) 70 (CH 2 CH 2 O) 20 H, which corresponds to a molecular weight of around 5800 g/mol. Triblock copolymers based on PEO-PPO-PEO chains are known generically as poloxamer.
Propylene, also known as propene, is an unsaturated organic compound with the chemical formula CH 3 CH=CH 2. It has one double bond , and is the second simplest member of the alkene class of hydrocarbons .
Molar mass: 76.095 g·mol −1 Appearance Colourless liquid Density: 1.0597 g cm −3: ... Propylene glycol; References External links. Manufacturer's brochure ...
The molecular formula C 7 H 16 O 3 (molar mass: 148.20 g/mol, exact mass: 148.1099 u) may refer to: Di(propylene glycol) methyl ether; Triethyl orthoformate
Molar mass: 58.080 g·mol −1 ... propylene glycol is produced. ... rats exposed to 500ppm of propylene oxide for less than 8 hours gave birth to litters with ...