Tuesday, December 16, 2008

What is SVHC? - Part 2


The European Chemical Agency (ECHA) has included 15 substances of very high concern (SVHC) in the ‘CandidateList’ now published on the ECHA website.

The below are the possible applications of those 15 SVHCs:
Triethylarsenate (CAS. 427-700-2)
• Plastic/PVC products
• Glass goods (window glass, crystal, lead glass)
• Glass beads for road markings
• Electrical and electronic equipment (EEE).
• Textiles and Cosmetics
• Wood preservative & pesticides

Anthracene (CAS. 204-371-1)
• Manufacture of pyrotechnic products deployed in film and theatre productions as a component of black smoke.
• As contaminant in plasticiser oils or black pigments
• Intermediate of anthraquinone, used in dye production or wood pulp production.

4,4'-Diaminodiphenylmethane (MDA) (CAS. 202-974-4)
• Intermediate for manufacture of high-performancepolymers
• Intermediate for final production of polyurethanes.
• Hardeners for epoxy resins and adhesives.

Dibutyl phthalate (DBP) (CAS. 201-557-4)
• Plasticizer synthetic resins and polymers (mainly PVC) or called "Phthalates"
• Used in printing inks, adhesives, sealants/groutingagents, nitrocellulose paints, film coatings and glass fibres.
Cobalt dichloride (CAS. 231-589-4)
• Additive in rubber production
• Drying agent in paints, varnish, ink
• Humidity indicator for hydrometers/barometers etc.
• Vitamins B12 manufacture
• Dye mordant in painted glass
• Invisible inks
• Gas absorber
• Electroplating (jewellery, buckles)
• Lubricant in cutting tools
• Production of non-ferrous metals (Especially Nickel)

Diarsenic pentaoxide (CAS. 215-116-9)
• Used in Dyeing industry
• Metallurgy (harden copper, lead, gold),
• Special glasses
• Wood preservative

Diarsenic trioxide (CAS. 215-481-4)
• Decolorizing agent for glass and enamels
• Glass and lead crystal
• Wood preservative

Sodium dichromate (CAS. 234-190-3) (7789-12-0 and 10588-01-9)
• Coloured glass and ceramic glazes
• Essential oil and perfumes manufacture
• Manufacture of other chromium compounds or pigments;
• Metal finishing for corrosion resistance
• Mordant in dyeing
• Vitamin K manufacture

5-tert-butyl-2,4,6-trinitro-m-xylene (musk xylene)
(CAS. 201-329-4)
• Fragrance applied in:
- Cosmetic products
- Detergents, fabric softeners, household cleaning products etc.

Bis (2-ethylhexyl) phthalate (DEHP) (CAS. 204-211-0)
• Plasticizer in polymer products, mainly in PVC, or called "Phthalates"
• PVC used in many different articles
- plastic toys
- building materials such as flooring, cables, profiles and roofs
- medical products (such as blood bags and dialysis equipment).

Hexabromocyclododecane (HBCDD) (CAS. 247-148-4 and 221-695-9);
and all major diastereoisomers identified: (α – HBCDD, β-HBCDD, γ-HBCDD)
(CAS. 134237-50-6) (CAS. 134237-51-7) (CAS. 134237-52-8)
• Flame retardant; mainly in polystyrene.
• Flame-retardant applied in textiles and E&E products.

Alkanes, C10-13, chloro (Short Chain Chlorinated Paraffins)
(CAS. 287-476-5)
• Flame retardants in textiles and rubber
• Paints, sealants and adhesives

Bis(tributyltin)oxide (TBTO) (CAS. 200-268-0)
• Biocide of anti-fouling paint applied for ships and leisure boats
• Coating of upholstery textiles in backing
• Polyurethane foam and other polymers used in flooring, tiles & carpeting
• Treatment of feather and down

Lead hydrogenarsenate (CAS. 232-064-2)
• Plastic/PVC products
• Glass goods (window glass, crystal, lead glass)
• Glass beads for road markings
• Electrical and electronic equipment
• Textiles and Cosmetics
• Wood preservative & pesticides
• Also applied in sealants, adhesives, paints, inks and lacquers

Benzyl butyl phthalate (BBP) (CAS. 201-622-7)
• Plasticizer in PVC products (or called "Phthalates"), mainly flooring
• Also applied in sealants, adhesives, paints, inks and lacquers


For more details, please kindly check with chemical suppliers and its Materials Safety Data Sheet (MSDS).

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