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ATTENTION! Karty bezpečnostných údajov31 May 2018 is the final deadline for substances in range of 1 - 100 tonnes per year. Remaining time:

Actual info

RAC recommends an occupational exposure limit for benzene

At its March meeting, the Committee for Risk Assessment (RAC) also recommended occupational exposure limits (OELs) for two other substances: nickel and its compounds and acrylonitrile. These opinions conclude the response to the European Commission, which for the first time asked RAC to assess the scientific basis for setting OELs.

SECTION 9: Physical and chemical properties

Informations are provided from COMMISSION REGULATION (EU) No 453/2010 of 20 May 2010 amending Regulation (EC) No 1907/2006 of the European Parliament and of the Council on the Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH)

This section of the safety data sheet shall describe the empirical data relating to the substance or mixture, if relevant. The information in this section shall be consistent with the information provided in the registration and/or in the chemical safety report where required, and with the classification of the substance or mixture.

9.1. Information on basic physical and chemical properties
The following properties shall be clearly identified including, where appropriate, a reference to the test methods used and specification of appropriate units of measurement and/or reference conditions. If relevant for the interpretation of the numerical value, the method of determination shall also be provided (for example, the method for flash point, the open-cup/closed-cup method):

  • (a) Appearance:The physical state (solid (including appropriate and available safety information on granulometry and specific surface area if not already specified elsewhere in this safety data sheet), liquid, gas) and the colour of the substance or mixture as supplied shall be indicated;
  • (b) Odour: If odour is perceptible, a brief description of it shall be given;
  • (c) Odour threshold;
  • (d) pH: The pH shall be indicated of the substance or mixture as supplied or of an aqueous solution; in the latter case, the concentration shall be indicated;
  • (e) Melting point/freezing point;
  • (f) Initial boiling point and boiling range;
  • (g) Flash point;
  • (h) Evaporation rate;
  • (i) Flammability (solid, gas);
  • (j) Upper/lower flammability or explosive limits;
  • (k) Vapour pressure;
  • (l) Vapour density;
  • (m) Relative density;
  • (n) Solubility(ies);
  • (o) Partition coefficient: n-octanol/water;
  • (p) Auto-ignition temperature;
  • (q) Decomposition temperature;
  • (r) Viscosity;
  • (s) Explosive properties;
  • (t) Oxidising properties.

If it is stated that a particular property does not apply or if information on a particular property is not available, the reasons shall be given.
To enable proper control measures to be taken, all relevant information on the substance or mixture shall be provided. The information in this section shall be consistent with the information provided in a registration where one is required.
In the case of a mixture, the entries shall clearly indicate to which substance in the mixture the data apply, unless it is valid for the whole mixture.

9.2. Other information
Other physical and chemical parameters shall be indicated as necessary, such as miscibility, fat solubility (solvent — oil to be specified), conductivity, or gas group. Appropriate and available safety information on redox potential, radical formation potential and photocatalytic properties shall be indicated.


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