• Risk assessment of chlorinated paraffins in feed and food ...

    Arithmetic means of the relative homologue group concentration for short‐chain chlorinated paraffins and medium‐chain chlorinated paraffins in Norwegian, Danish, Scottish and Chilean farmed salmon and in different Eastern Pacific wild salmon (from Krätschmer et al., 2019 2 2 Reprinted from Chemosphere, 227, Krätschmer K, Schächtele A ...

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  • Bioaccumulation and biomagnification of short …

    Chlorinated paraffins (CPs) are highly complex technical mixtures, and the short chain chlorinated paraffins (SCCPs) are classed as persistent and have been included in the Stockholm Convention.

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  • The Truth about Chlorinated Paraffins | F&L Asia

    Jun 16, 2020· SCCPs were added to the prohibited substances list in 2012 and the manufacture, use, sale or import of short chain chlorinated alkanes in Canada is banned. Importation of other CPs are still allowed for use in metalworking fluids, specialised coatings, plasticisers and flame retardants.

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  • Updates for Short Chain Chlorinated Paraffins (SCCPs) Made ...

    Nov 30, 2015· Short Chain Chlorinated Paraffins (SCCPs) Scope and requirement < 1% (constituent of substances or mixtures) Articles already in use before July 11, 2012 allowed to remain on market; Allowed to be used in conveyor belts in the mining industry and dam sealants if already in use before December 5, 2014

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  • (PDF) Short-chain chlorinated paraffins in biota – levels ...

    Short-chain chlorinated paraffins (SCCPs) are highly complex technical mixtures of polychlorinated n-alkanes with carbon-chain lengths from C 10-C 13 and chlorine content between 49 and 70%.

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  • Information on Candidate List substances in …

    37 : Aluminosilicate Refractory Ceramic Fibres are fibres covered by index number 650-017-00-8 in Annex VI, part 3, table 3.1 of Regulation (EC) No 1272/2008 of the European Parliament and of the Council of 16 December 2008 on classification, labelling and packaging of substances and mixtures, and fulfil the three following conditions: a) oxides of aluminium and silicon are the main components ...

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  • Chlorinated paraffins - Wikipedia

    Chlorinated paraffins (CPs) are complex mixtures of polychlorinated n-alkanes.The chlorination degree of CPs can vary between 30 and 70 wt%.CPs are subdivided according to their carbon chain length into short-chain CPs (SCCPs, C 10–13), medium-chain CPs (MCCPs, C 14–17) and long-chain CPs (LCCPs, C >17).Depending on chain length and chlorine content, CPs are colorless or yellowish …

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  • Short-chain chlorinated paraffins (SCCPs)

    Short-chain chlorinated paraffins (SCCPs) Technically feasible alternatives are commercially available for all known uses of SCCPs. Note that the following information is extracted from the Risk management evaluation ( UNEP/POPS/POPRC.12/11/Add.3 ) and additional information related to the draft risk management evaluation ( UNEP/POPS/POPRC12 ...

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  • High amounts of chlorinated paraffins in oil-based vitamin ...

    A linear correlation (R2 = 0.965) between the total response factor of a CP mixture and its chlorine content was obtained for seven short chain chlorinated paraffin mixtures (SCCP, C10-C13) with ...

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  • Subject: "Cucurbita maxima" - PubAg Search Results

    Short chain chlorinated paraffins (SCCPs) are a group of complex emerging persistent organic pollutants. In this study, the uptake, translocation, and transformation of four constitutionally defined SCCP isomers were studied using whole pumpkin (Cucurbita maxima × C. moschata) and soybean (Glycine max L. Merrill) seedlings via hydroponic exposure.

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  • (PDF) Evaluating age and temporal trends of chlorinated ...

    Evaluating age and temporal trends of chlorinated paraffins in pooled serum collected from males in Australia between 2004 and 2015 ... (C18-20) and most short-chain CP (C10-13, SCCPs) levels were ...

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  • The new POPs under the Stockholm Convention

    Chlorinated paraffins are produced by chlorination of straight-chained paraffin fractions. The carbon chain length of commercial chlorinated paraffins is usually between 10 and 30 carbon atoms. Short-chained chlorinated paraffins is between C10 and C13. The production of SCCPs has decreased globally as jurisdictions have established control ...

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  • Short-chain chlorinated paraffin (SCCP) pollution from a ...

    1. Introduction. Chlorinated paraffins (CPs), also known as polychlorinated n-alkanes (PCAs), have a general formula of C n H (2n+2)–y Cl y, with chlorination degrees ranging from 30% to 70% by mass (Eljarrat and Barceló, 2006).CPs are widely used as plasticizers, extreme pressure and temperature additives, flame retardants and lubricants (Tomy et al., 1998).

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  • Bioaccumulation of short-chain chlorinated paraffins in ...

    Short chain chlorinated paraffins (SCCPs) are a complex group of synthetic chlorinated n-alkanes ranging from C 10 to C 13 with chlorine content of 40–70 % by weight (Fiedler, 2010). They are widely used as extreme pressure and temperature additives, flame retardants, plasticizers and lubricants since the 1930s (Tomy et al., 1998).

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  • Risk Management for Short-Chain Chlorinated …

    For purposes of the Short-Chain Chlorinated Paraffins (SCCPs) Action Plan (PDF), short-chain chlorinated paraffins (SCCPs) include all individual chemicals or mixtures that contain: C x H (2x-y+2) Cl y where x = 10-13; y = 3-12; and the average chlorine content ranges from approximately 40 to 70 percent with the limiting molecular formulas set at C 10 H 19 Cl 3 and C 13 H 16 Cl 12. SCCPs are ...

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