No.Chemical Substance (Group)CAS No.Threshold Level
1Diarsenic pentaoxide1303-28-21,000ppm
2Diarsenic trioxide1327-53-31,000ppm
3Asbestos materialsSee detailed list Intentionally added
4Azo dyes and pigments that produce some aromatic aminesSee detailed list 30ppm1
5Beryllium oxide (BeO)1304-56-91,000ppm
7Boric acid10043-35-3
11113-50-1
1,000ppm
8,9Brominated flame retardants (excluding PBBs, PBDEs, and HBCDDs)See detailed list900 ppm as bromine
10,11
931
166
Cadmium/Cadmium compoundsSee detailed list10ppm
12
167
Hexavalent chromium compoundsSee detailed list1,000ppm
13Cobalt chloride7646-79-91,000ppm
14Dibutyltin compounds (DBT)See detailed list1,000 ppm as tin
15Dioctyltin compounds (DOT)See detailed list1,000 ppm as tin
16Dioctyltin compounds (DOT)624-49-70.1ppm
17Disodium tetraborate anhydrideSee detailed list1,000ppm
18Fluorinated greenhouse gases (PFC, SF6, HFC)See detailed listIntentionally added
19Formaldehyde50-00-075ppm1
20Hexabromocyclododecane (HBCDD)See detailed listIntentionally added or 100 ppm
21~25
1541
168
Lead/Lead compoundsSee detailed list40ppm
26Lead chromate7758-97-61,000ppm
27Lead chromate molybdate sulfate (C.I. Pigment Red 104)12656-85-81,000ppm
28C.I. Pigment Yellow 341344-37-21,000ppm
29,30
132
169
Mercury/Mercury compoundsSee detailed listIntentionally added or 1 ppm
31Nickel/Nickel compoundsSee detailed listIntentionally added
32Ozone-depleting substances (freon (CFCs), halon, hydrobromofluorocarbons (HBFCs),
hydrochlorofluorocarbons (HCFCs), etc.)
See detailed listIntentionally added
33PerchloratesSee detailed list0.006ppm
352-(2H-1,2,3-benzotriazol-2-yl)-4,6-di-tert-butylphenol3846-71-7Intentionally added or 1,000 ppm
36Phthalates Group 1 (DEHP, DBP, BBP, DIBP)See detailed list1,000ppm
37Phthalates Group 2 (DIDP, DINP, DNOP)See detailed list1,000ppm
38Bis(2-ethylhexyl) phthalate (DEHP)117-81-71,000ppm
39Dibutyl phthalate (DBP)84-74-21,000ppm
40Butyl benzyl phthalate (BBP)85-68-71,000ppm
41Diisobutyl phthalate (DIBP)84-69-51,000ppm
421,2-Benzenedicarboxylic acid, di-C6-8-branched alkyl esters, C7-rich (DIHP)71888-89-61,000ppm
431,2-Benzenedicarboxylic acid, di-C7-11-branched and linear alkyl esters, C7-rich (DHNUP)68515-42-41,000ppm
44Polybrominated biphenyls (PBBs)See detailed list1,000ppm
45Polybrominated diphenyl ethers (PBDEs)See detailed list1,000ppm
46Polychlorinated biphenyls (PCBs) and specific substitutesSee detailed listIntentionally added
47Polychlorinated terphenyls (PCTs)See detailed list50ppm
48Polychlorinated naphthalenes (PCNs)See detailed listIntentionally added
49Radioactive materialsSee detailed listIntentionally added
50Aluminosilicate refractory ceramic fibers1,000ppm
51Zirconia aluminosilicate refractory ceramic fibers1,000ppm
52Short chain chlorinated paraffins (C10–C13)See detailed listIntentionally added or 1,000 ppm
53Strontium chromate7789-06-21,000ppm
54Tributyltin oxide (TBTO)56-35-9Intentionally added or 1,000 ppm
55Tri-substituted organotin compoundsSee detailed listIntentionally added or 1,000 ppm as tin
56Tris(2-chloroethyl) phosphate (TCEP)115-96-81,000ppm
574-(1,1,3,3-Tetramethylbutyl)phenol (4-tert-octylphenol)140-66-91,000ppm
58Bis(2-methoxyethyl) ether111-96-61,000ppm
59Bis(2-methoxyethyl) phthalate117-82-81,000ppm
60Pentazinc chromate octahydroxide49663-84-51,000ppm
61Potassium hydroxyoctaoxodizincate dichromate11103-86-91,000ppm
62,63Chlorinated flame retardantsSee detailed list900 ppm as chlorine
64Decabromodiphenyl ether1163-19-5Intentionally added or 1,000 ppm
65Chlorinated lead sulfite62229-08-71,000ppm
66Triethylene glycol dimethyl ether112-49-21,000ppm
67Dibasic lead phosphite12141-20-71,000ppm
681,2-Dimethoxyethane (ethylene glycol dimethyl ether)110-71-41,000ppm
694-Aminoazobenzene60-09-31,000ppm
70Tribasic lead sulfate12202-17-41,000ppm
71Lead oxide (II, IV)1314-41-61,000ppm
72C.I. Pigment Yellow 418012-00-81,000ppm
73Pentalead tetraoxide sulphate12065-90-61,000ppm
741,2-Diethoxyethane629-14-11,000ppm
75Diboron trioxide1303-86-21,000ppm
76Dibutyltin dichloride683-18-11,000ppm
77Lead cyanamide20837-86-91,000ppm
78N,N-Dimethylformamide68-12-21,000ppm
79Barium silicate, lead doped68784-75-81,000ppm
801,2-Benzenedicarboxylic acid, dipentyl ester, branched and linear84777-06-01,000ppm
81Diisopentyl phthalate605-50-51,000ppm
82n-Pentyl-isopentyl phthalate776297-69-91,000ppm
83Lead titanate12060-00-31,000ppm
84Lead zirconate titanate12626-81-21,000ppm
85Lead basic sulfate12036-76-91,000ppm
86Phthalato(2-)dioxotrilead69011-06-91,000ppm
87Dioxobis(stearato)trilead12578-12-01,000ppm
88Fatty acid, C16–C18, lead salts91031-62-81,000ppm
89Lead(II) dinitrate10099-74-81,000ppm
90Diisodecyl phthalate (DIDP)68515-49-1
26761-40-0
Intentionally added
91Di-n-hexyl phthalate84-75-3Intentionally added or 1,000 ppm
92Methyl hexahydrophthalic anhydrideSee detailed list1,000ppm
94Cadmium oxide1306-19-01,000ppm
95Dipentyl phthalate (DPP)131-18-01,000ppm
96Perfluorooctanoic acid (PFOA)335-67-11,000ppm
97Ammonium perfluorooctanoate (APFO)3825-26-11,000ppm
984-Nonylphenol, branched and linear, ethoxylatedSee detailed list1,000ppm
99Cadmium sulfide1306-23-61,000ppm
100Trixylyl phosphate (TXP)25155-23-11,000ppm
102Disodium 3,3′-[[1,1′-biphenyl]-4,4′-diylbis(azo)]bis(4-aminonaphthalene-1-sulphonate)
(C.I. Direct Red 28, Congo Red)
573-58-01,000ppm
105Ethylene thiourea96-45-71,000ppm
1061,2-Benzenedicarboxylic acid, dihexyl ester, branched and linear68515-50-41,000ppm
107Diisononyl phthalate (DINP)28553-12-0
68515-48-0
Intentionally added
108
116
138
Benzo[a]pyrene (BaP)50-32-80.5ppm1
110
118
145
Benz[a]anthracene (BaA)56-55-30.5ppm1
111
119
144
Chrysene (Benzo[a]phenanthrene) (CHR)218-01-90.5ppm1
114
122
156
Benzo[k]fluoranthene (BkFA)207-08-90.5ppm1
109
117
Benzo[e]pyrene (BeP)192-97-20.5ppm1
112
120
Benzo[b]fluoranthene (BbFA)205-99-20.5ppm1
113
121
Benzo[j]fluoranthene (BjFA)205-82-30.5ppm1
115
123
Dibenzo[a,h]anthracene (DBAhA)53-70-30.5ppm1
124
125
Perfluorooctane sulfonate (PFOS)See detailed listIntentionally added or 1,000 ppm1
1264-Amino-3-[[4′-[(2,4-diaminophenyl)azo]-[1,1′-biphenyl]-4-yl]azo]-5-hydroxy-6-(phenylazo)naphthalene-2,
7-disulfonate disodium(Chlorazole Black E, C.I. Direct Black 38)
1937-37-71,000ppm
1282-Ethylhexyl 10-ethyl-4,4-dioctyl-7-oxo-8-oxa-3,5-dithia-4-stannatetradecanoate
(DOTE)
15571-58-11,000ppm
129Reaction products of 2-Ethylhexyl 10-ethyl-4,4-dioctyl-7-oxo-8-oxa-3,5-dithia-4-stannatetradecanoate
and 2-Ethylhexyl 10-ethyl-4-[[2-[(2-ethylhexyl)oxy]-2-oxoethyl]thio]-4-methyl-7-oxo-8-oxa-3,
5-dithia-4-stannatetradecanoate (reaction products of DOTE and MOTE)
1,000ppm
1302-(2H-benzotriazol-2-yl)-4,6-di-tert-pentylphenol) (UV-328)25973-55-11,000ppm
131Mixtures of 1,2-Benzenedicarboxylic acid, di-C6-10-alkyl esters; 1,
2-benzenedicarboxylic acid, mixed decyl and hexyl and octyl diesters and
dihexyl phthalate (EC No. 201-559-5) with ≥ 0.3%
68515-51-5
68648-93-1
1,000ppm
1331,3-Propanesultone1120-71-41,000ppm
1342,4-Di-tert-butyl-6-(5-chloro-2H-1,2,3-benzotriazol-2-yl)phenol (UV-327)3864-99-11,000ppm
1352-(2H-benzotriazol-2-yl)-4-(tert-butyl)-6-(sec-butyl)phenol (UV-350)36437-37-31,000ppm
140Perfluorononan-1-oic-acid, and its sodium and ammonium saltsSee detailed list1,000ppm
1414,4′-Isopropylidenediphenol (Bisphenol A)80-05-7Intentionally added or 1,000 ppm
142Nonadecafluorodecanoic acid (PFDA) and its sodium and ammonium saltsSee detailed list1,000ppm
143Perfluorohexanesulfonic acid and its salts (PFHxS)See detailed list1,000ppm
146Cadmium hydroxide21041-95-21,000ppm
1471,6,7,8,9,14,15,16,17,17,18,18-Dodecachloropentacyclo[12.2.1.16,9.02,13.05,10]octadeca-7,
15-diene (Dechlorane Plus) anti or syn isomers or mixtures of these isomers
See detailed list1,000ppm
148Benzo[ghi]perylene191-24-21,000ppm
149Octamethylcyclotetrasiloxane556-67-21,000ppm
150Decamethylcyclopentasiloxane541-02-61,000ppm
151Dodecamethylcyclohexasiloxane540-97-61,000ppm
152Disodium octaborate12008-41-21,000ppm
153Hydrogenated terphenyls61788-32-71,000ppm
139Dicyclohexyl phthalate (DCHP)84-61-71,000ppm
1552,2-Bis(4′-hydroxyphenyl)-4-methylpentane6807-17-61,000ppm
157Fluoranthene206-44-01,000ppm
158Phenanthrene85-01-81,000ppm
159Pyrene129-00-01,000ppm
160Perfluorooctanoic acid and its saltsSee detailed listIntentionally added or 0.025 ppm1
161PFOA-related compoundsSee detailed listIntentionally added or 1 ppm1
162Tris(4-nonylphenyl, branched and linear) phosphite (TNPP) with ≥ 0.1% w/w of 4-nonylphenol,
branched and linear (4-NP)
See detailed list1,000ppm
163Tetraboron disodium heptaoxide, hydrate (disodium tetraborate hydrate)12267-73-11,000ppm
164Diisohexyl phthalate71850-09-41,000ppm
165Perfluorobutane-1-sulfonic acid (PFBS) and its saltsSee detailed list1,000ppm
170Dibutylbis(2,4-pentanedionato)tin (IV)22673-19-41,000ppm
171Halogenated flame retardantsSee detailed listIntentionally added
172Bis[2-(2-methoxyethoxy)ethyl]ether143-24-81,000ppm
173Dioctyltin dilaurate, dioctyl derivatives of stannanes,
bis(coco acyloxy) derivatives, and any other stannane, dioctyl-,
bis(fatty acyloxy) derivatives (wherein C12 is the predominant carbon number of the fatty acyloxy moiety)
See detailed list1,000ppm
174Tris(isopropylphenyl) phosphate68937-41-7Intentionally added
1752Cobalt/Cobalt compoundsIntentionally added
1762Neodymium/Neodymium compoundsIntentionally added
17724,4′-(1-methylpropylidene) bisphenol (Bisphenol B)77-40-71,000ppm
1782Medium-chain chlorinated paraffins (MCCP) [UVCB substances consisting of more than or equal to 80%
linear chloroalkanes with carbon chain lengths within the range from C14 to C17]
See detailed list1,000ppm
1792Sodium salts of boric acidSee detailed list1,000ppm
1802Tris(4-nonylphenyl, branched and linear) phosphite (TNPP)See detailed list1,000ppm
18126,6′-Di-tert-butyl-2,2′-methylenedi-p-cresol (DBMC)119-47-11,000ppm
1822C9–C14 linear and branched perfluorocarboxylic acids (C9–C14 PFCAs) and their saltsSee detailed list0.025ppm
1832C9–C14 PFCAs related substancesSee detailed list0.26ppm
18421,1′-[Ethane-1,2-diylbisoxy]bis[2,4,6-tribromobenzene]37853-59-11,000ppm
18522,2′,6,6′-Tetrabromo-4,4′-isopropylidene diphenol79-94-71,000ppm
18624,4′-Sulfonyldiphenol80-09-11,000ppm
1872Barium metaborate13701-59-21,000ppm
1882Bis(2-ethylhexyl)tetrabromo-phthalateSee detailed list1,000ppm
1892Isobutyl 4-hydroxybenzoate4247-02-31,000ppm
1902Melamine (monomer)108-78-11,000ppm
1912Perfluoroheptanoic acid and its saltsSee detailed list1,000ppm
1922Reaction products of
2,2,3,3,5,5,6,6-octafluoro-4-(1,1,1,2,3,3,3-heptafluoropropan-2-yl)morpholine and 2,2,3,3,5,5,6,6-octafluoro-4-(heptafluoropropyl)morpholine
1,000ppm
1932Perfluoroalkyl and polyfluoroalkyl substances (PFAS)See detailed listIntentionally added
19424,4′-Dichlorodiphenyl sulfone80-07-91,000ppm
1952Diphenyl (2,4,6-trimethylbenzoyl) phosphine oxide75980-60-81,000ppm

1 indicates changes from the 7th Edition.

2 indicates additions to the 7th Edition.

  1. This list is a shared management standard created internally based on IEC62474, and individual customer requirement standards outside this list will be managed separately.
  2. Threshold levels in this list indicate the upper limit of content in procured items, and if the content exceeds this limit, procurement is in principle prohibited. On the other hand, we may intentionally procure such items on the assumption that special controls will be performed internally.
  3. For details of the chemical substance groups in this list, please refer to the attached table, Detailed List of Regulated Chemical Substances, 8th Edition, Toyo Kohan Co., Ltd.