GHS Classification Guidance for the Japanese Government

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2-3-16 Corrosive to Metals (1)Definitions Definitions of corrosive to metals in UN GHS are as follows, and they are adopted in this guidance. 【GHS 2 nd revised edition】(2.16.1) A substance or a mixture which is corrosive to metals is a substance or a mixture which by chemical action will materially damage, or even destroy, metals. (2)Classification criteria in GHS 【GHS 2 nd revised edition】(2.16.2) A substance or a mixture which is corrosive to metals is classified in a single category for this class, using the test in Part III, sub-section 37.4 of the UN Recommendations on the Transport of Dangerous Goods, Manual of tests and Criteria, according to the following table: Table 2.16.2: Criteria for substances and mixtures corrosive to metal Category Criteria 1 Corrosion rate on either steel or aluminium surfaces exceeding 6.25 mm per year at a test temperature of 55°C when tested on both materials. NOTE: Where an initial test on either steel or aluminium indicates the substance or mixture being tested is corrosive the follow-up test on the other metal is not required. (3) Guidance for Classification A) Judgment of Not Classified Regarding “Corrosive to Metals”, if it is confirmed based on prescribed review documents that both steel and aluminum can be used as a container for the substance, fill in “Classification result” with “Not classified”, and fill in “Classification Grounds” with “Steel and aluminum can be used as a container”. B) Judgment for those substances that can not be classified 1) In case the test method is not established The test method for “Corrosive to Metals” defined in TDG classification and adopted in GHS classification can not be applied to gases. It can not be applied to liquids with a boiling point of 55°C or lower, either. In case of solid, it can be applied to those with a melting point of 55°C or lower. Hence, indicate as follows. In case of gases, fill in “Classification result” with “Classification not possible” regarding “corrosive to metals“, and fill in “Classification Grounds” with “No established test method suitable for Gas substances”. In the case of liquids with a boiling point of 55°C or lower, fill in “Classification result” with “Classification not possible“ regarding “Corrosive to Metals“, and fill in “Classification 87
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GHS Classification Guidance for the
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2-3-12 Substances and mixtures whic
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Japanese judgments and consideratio
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(2) Points to remember when describ
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① ② Information Gathering Class
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Part2. Physical Hazards Guidance 2-
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described in the next section is of
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Information in the book can be sear
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(8) International Chemical Safety C
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guidelines can be compared with GHS
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“Liquids” are defined as substa
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When a substance does not contain c
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Table 2-2 Filled examples of "Not a
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oxygen balance = -1600 [2x +(y/2) -
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GHS classification 8)Self-reactive
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The “Dangerous Goods Regulations,
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4.2 4.3 5.1(I) 5.1(II) 5.1(III) 6.1
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Table 2-5 Filled examples of “Cla
Page 39 and 40: explosion hazard: (i) combustion of
Page 41 and 42: water, by mass (n)GUANYLNITROSAMINO
Page 43 and 44: substance 0224 BARIUM AZIDE, dry or
Page 45 and 46: 1337 NITROSTARCH, WETTED with not l
Page 47 and 48: (4) Data availability Physical prop
Page 49 and 50: flame distance (ignition distance)
Page 51 and 52: Nitrogen trifluoride C і = 1.6 Nit
Page 53 and 54: 2-3-5 Gases Under Pressure (1)Defin
Page 55 and 56: 2-3-6 Flammable Liquids (1)Definiti
Page 57 and 58: Category 3 =UNRTDG3 III Category 4
Page 59 and 60: Table 2.7.1: Criteria for flammable
Page 61 and 62: 2-3-8 Self-reactive Substances and
Page 63 and 64: 2.8.2.3 Criteria for temperature co
Page 65 and 66: 3225 There is no article with a spe
Page 67 and 68: classified according to it. If not,
Page 69 and 70: classified”. Reference: UN GHS se
Page 71 and 72: Table 2.11.1: Criteria for self-hea
Page 73 and 74: than 30% water of crystallization 1
Page 75 and 76: transport, the same chemical is to
Page 77 and 78: 138: Water-reactive substances - em
Page 79 and 80: orohydrides, alkyl compounds, etc.)
Page 81 and 82: 2-3-13 Oxidizing Liquids (1)Definit
Page 83 and 84: 2-1-14 Oxidizing Solids (1)Definiti
Page 85 and 86: (Example of category 3)2067 AMMONIU
Page 87 and 88: this class, according to the follow
Page 89: The flow chart of 2.15.2.2 is exact
Page 93: Note: In GHS, it is defined that if
Page 96 and 97: 1-1) Organization National Institut
Page 98 and 99: URL http://www.ecetoc.org/publicati
Page 100 and 101: List 2: Useful information sources
Page 102 and 103: http://www.cdc.gov/niosh/npg/npgdrt
Page 104 and 105: 3-1-3 Management of information in
Page 106 and 107: Relation between concentration(ppm)
Page 108 and 109: follows: Category 1 (100 ppmV), Cat
Page 110 and 111: (ii) the appropriate conversion val
Page 112 and 113: UNRTDG Class 6.1 is not sub-categor
Page 114 and 115: possible” unless the obvious conc
Page 116 and 117: whereas the reference value is set
Page 118 and 119: 3-2-2 Skin Corrosion/Irritation (1)
Page 120 and 121: Table 3.2.2 Skin irritation categor
Page 122 and 123: possible, and to classify the subst
Page 124 and 125: and scaling persist to the end of 1
Page 126 and 127: 【GHS 2 nd revised edition】 Figu
Page 128 and 129: [Note for the above figure] (a) Cla
Page 130 and 131: B) Classification criteria in GHS (
Page 132 and 133: (4)Guidance for classification and
Page 134 and 135: G) Strategy of testing and evaluati
Page 136 and 137: 2c Structure activity Skin corrosiv
Page 138 and 139: done in parallel. This stage should
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criteria given below:” a) If ther
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[Decision Criteria 1]: In the cases
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substance shall be classified in Ca
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The classification is based on any
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7) Data from various kinds of tests
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Table 3-8 Test data as the basis of
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Category 1B. Mutagens classified a
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c)Exceptionally, strong positive re
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3-2-6 Carcinogenicity (1)Definition
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The principles of GHS classificatio
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B) Substance for which GHS classifi
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metabolic system, a cautious invest
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hazard warning for pregnant women a
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OECD414 Prenatal development toxici
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D) Decision logic and classificatio
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e considered to be sufficient. (Sub
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No. Test guideline Limit dose 414 P
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3-2-8 Specific Target Organ Toxicit
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specifically for these effects as d
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existing MSDSs. A literature search
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* Unless a description that definit
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g) When the affected organ can be i
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3-2-9 Specific Target Organ Toxicit
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Table 3-16: Guidance value ranges f
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(c) Any consistent and significant
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has received some degree of approva
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As for the classification of specif
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formed in the mouth, which then may
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The classification criteria refer t
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194
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(1)Sources for test data for Hazard
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List 2: Useful information sources
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3-3)EU classification When classif
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4-2 Classification of Hazardous to
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water solubility, and which are not
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Tests shall be conducted by using f
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e categorized based on chronic aqua
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endpoint. When it is not clear whet
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that the relevant information sourc
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214
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R39 Danger of very serious irrevers
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R52 Harmful to aquatic organisms. R
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GHS Classification Guidance for the Japanese Government

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