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Evaluations of the quantities and impacts of chlorinated paraffin

   July 05, 2022

The chlorinated paraffin wax is mainly considered a category of a synthetic organic compound. It consists of n-alkanes with various chlorine concentrations between 305 and 70% by weight. It is primarily formed by chlorination of the natural alkanes. 

The term chlorinated paraffin is mainly used for covering various solids and liquids from C10 to >C24, with a chlorine content of around 30 to 72%. It is primarily targeted to be colorless to amber with the yellow viscous liquid. The current metalworking fluids segment will lead to globalized demand for chlorinated paraffin wax in around 2018.

Risk assessment for people

The EFSA was asked for a scientific opinion on risks for human health and animals related toe of chlorinated paraffin in food and feed. The data for the experimental animals were then the review panel identified kidney, thyroid and liver as target organs for the MCCP and SCCP mixtures, as tested in repeated toxicity studies.

1. The decreased pup survival and the subcutaneous haematoma were some significant effects identified for the MCCP mixture.

2. For the LCCP mixtures tested, the liver was mainly the targeted organ. The panel selected BMDL10 of 2.3 mg/kg BW per day for the increased nephritis incidence in male rates.

3. For LCCPS, a reference point was pretty relevant for humans, which could not be identified.

Identification and characterisation of threats

Some early dietary exposure studies with SCCPs showed rapid accumulation and higher assimilation efficiencies from the food. The half-lives of SCCPs, as seen in rainbow trout, ranged from around 7 to 53 days and were later increased with the increment carbon chain length, know and chlorine content. 

1. The SCCPS have decreased free and total plasma Y4 concentrations and double plasma TSH levels.

2. Compared to MCCPs, the SCCPs were considered highly potent as peroxisome proliferation and might even lead to thyroid follicular cell carcinogenesis.

3. Some studies have concluded that there is enough evidence for the carcinogenicity of commercial chlorinated paraffin of an average carbon chain length.

Influence of chlorinated paraffin on properties

The roles of two widely used versions of chlorinated paraffin in the properties of silica polychloroprene were investigated. The results revealed that the chlorinated paraffin improves significantly with processability.

1. This improvement can be seen more for Cereclor S45 because of the lower viscosity level.

2. But, the added chlorinated paraffin will have one negative effect on a cure.

3. Because of the reduction of the crosslink density and plasticising effect of chlorinated paraffin, various mechanical properties have been impaired, like tensile strength, hardness, modulus, abrasion resistance and more.

Demand and Market Size for Chlorinated Paraffin Wax in India

The Indians put the capacity of CPW to around 0.195 million tonnes on a yearly count. You have various producers of CPW in India, within the organised and the unorganised sector. The assembly of the CPW of the current assorted grades will be around .0135 million tonnes on a yearly count. 

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