widely used dimethyl phthalate DMP in Cameroon

widely used dimethyl phthalate DMP in Cameroon

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widely used dimethyl phthalate DMP in Cameroon

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widely used dimethyl phthalate DMP in Cameroon

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widely used dimethyl phthalate DMP in Cameroon

(pdf) permeability of dimethyl phthalate through human skin

widely used dimethyl phthalate DMP in Cameroon

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widely used dimethyl phthalate DMP in Cameroon
  • What is dimethyl phthalate (DMP)?
  • Dimethyl phthalate (DMP) belongs to a group of compounds named phthalate esters, which are produced by esterification of phthalic acid with methanol. It is classified as a low molecular-weight (LMW) phthalate, containing a single carbon ester side-chain (HSDB 2009; Otero et al. 2015).
  • What is dimethyl phthalate used for?
  • Dimethyl phthalate is able to dissolve nitrocellulose which made it historically important in some automotive coatings and vanishes. DMP can be used as an insect repellent and is especially useful against ixodid ticks responsible for Lyme disease.
  • What is the concentration of DMP in cosmetics?
  • According to available literature, the reported DMP concentration in cosmetics (deodorants, perfumes, hair sprays and conditioners, lotions, face powders and foundations) ranges from 0.00004% up to 34% (in combination with its analogue DEP) (SCCP 2007; NICNAS 2008; CPSC 2010; NICNAS 2014).
  • Is DMP phthalate toxic?
  • Due to the toxicological properties of DMP (low acute toxicity, low skin and eye irritation, low skin sensitizing potential), the occurrence, among consumers, of adverse acute effects resulting from use of cosmetics containing this phthalate is relatively low.
  • Is dimethyl phthalate soluble in water?
  • Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). ?) Dimethyl phthalate (DMP) is an organic compound and phthalate ester. it is a colourless and oily liquid that is soluble in organic solvents, but which is only poorly soluble in water (~4 g/L).
  • How is dimethyl phthalate made?
  • Dimethyl phthalate is manufactured commercially via the esterification of phthalic anhydride with methanol. The reaction can be catalysed by a strong acid, such as sulfuric acid; various lewis acids may be used as an alterative, including complexes of titanium, zirconium or tin.