TSCA High-Priority Substances Sorted by Applicability to Electronics Manufacturing

TSCA High-Priority Substances CASRN Draft Scoping Document Release Date Applicability to Electronics as Mentioned in Draft Scoping Document
Triphenyl Phosphate (TPP) 115-86-6 April 6, 2020 Flame retardant used in computer and electronic product manufacturing
Tris(2-chloroethyl) Phosphate (TCEP) 115-96-8 April 6, 2020 Flame retardant used in electronic products
4,4'-(1-Methylethylidene)bis[2,6-dibromophenol] (TBBPA) 79-94-7 April 6, 2020 Flame retardant used in production of electronical and electronic products
trans-1,2-Dichloroethylene 156-60-5 April 6, 2020 Solvent used for electronics degreaser and flux remover
1,1,2-Trichloroethane 79-00-5 April 6, 2020 Solvent used in plastic and petrochemical manufacturing; draft scoping document includes information regarding electronic materials and flexible printed circuit manufacturing
Formaldehyde 50-00-0 April 17, 2020 Plating agent; draft scoping document mentions use as a chemical substance in commercial and consumer electrical and electronic products.
Phthalic Anhydride 85-44-9 April 17, 2020 Industrial use as load absorber and industrial and commercial uses in electrical and electronic products; used in electronics adhesives (5 to 10% phthalic anhydride); used in production of plastic and rubber products including electronics.
Di-Ethylhexyl Phthalate  (DEHP) 117-81-7 April 17, 2020 Phthalate used in consumer or commercial electrical and electronic products; used in adhesives for electrical tape;  Phthalates DEHP, BBP, DBP, and DIBP were added to Annex II to the RoHS Directive 2011/65/EU, “Restricted substances referred to in Article 4(1) and maximum concentration values tolerated by weight in homogeneous materials.” 
Butyl Benzyl Phthalate (BBP) 85-68-7 April 17, 2020 Phthalate with industry and commercial uses to include adhesives, sealants, floor coverings, paints and coatings, and use in plastic and rubber products; Phthalates DEHP, BBP, DBP, and DIBP were added to Annex II to the RoHS Directive 2011/65/EU, “Restricted substances referred to in Article 4(1) and maximum concentration values tolerated by weight in homogeneous materials.”
Dibutyl Phthalate (DBP) 84-74-2 April 17, 2020 Phthalate used in ink, toner, colorant products used in the electronics industry; consumer exposures from products and articles include electrical and electronic products; Phthalates DEHP, BBP, DBP, and DIBP were added to Annex II to the RoHS Directive 2011/65/EU, “Restricted substances referred to in Article 4(1) and maximum concentration values tolerated by weight in homogeneous materials.”
Di-isobutyl Phthalate  (DIBP) 84-69-5 April 17, 2020 Phthalate; No specific electronic equipment uses listed in draft scoping document; Phthalates DEHP, BBP, DBP, and DIBP were added to Annex II to the RoHS Directive 2011/65/EU, “Restricted substances referred to in Article 4(1) and maximum concentration values tolerated by weight in homogeneous materials.” 
Dicyclohexyl Phthalate 84-61-7 April 17, 2020 Phthalate with industrial use in adhesives and sealants in electronic product manufacturing; industrial use in plastic and rubber products in electronic product manufacturing
Di-isodecyl phthalate (DIDP) 26761-40-0, 68515-49-1 Expected later April 2020 (Possible use.  This is a manufacturer-requested risk evaluation)
Di-isononyl phthalate (DINP) 28553-12-0; 68515-48-0 Expected later April 2020 (Possible use.  This is a manufacturer-requested risk evaluation)
1,1-Dichloroethane 75-34-3 April 6, 2020 No mention of electronics production in draft scoping document
1,2-Dichloroethane 107-06-2 April 6, 2020 No mention of electronics production in draft scoping document
1,2-Dichloropropane 78-87-5 April 6, 2020 No mention of electronics production in draft scoping document
1, 3, 4, 6, 7, 8-Hexahydro-4, 6, 6, 7, 8, 8-Hexamethylcyclopenta[g]-2-Benzopyran (HHCB) 1222-05-5 April 6, 2020 No mention of electronics production in draft scoping document
1,3-Butadiene 106-99-0 April 6, 2020 No mention of electronics production in draft scoping document
Ethylene Dibromide 106-93-4 April 6, 2020 No mention of electronics production in draft scoping document
o-Dichlorobenzene 95-50-1 April 6, 2020 No mention of electronics production in draft scoping document
p-Dichlorobenzene 106-46-7 April 6, 2020 No mention of electronics production in draft scoping document