GHS Classification Guidance for the Japanese Government

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(3) Guidance for Classification A) Judgment of Not applicable 1) Substances for gases shall be judged as “Not applicable”. 2) Substances not containing metals or metalloids in their chemical structure shall be judged as “Not applicable”. B) Judgment of Not Classified If it is judged based on the information of prescribed review documents that a substance containing metals or metalloids is stable even if it is in contact with water (for example, if it is produced using water or is washed using water or if its aqueous solubility is known from literatures), fill in “Classification result” with “Not classified”, and fill in “Classification Grounds” with “Stable to water”. Reference: UN GHS second revised edition 2.12.4.2(b)(c) C) Classification based on TDG Classification If the name of a substance is included in TDG classification, the substance shall be classified according to it. If not, it falls under “Classification not possible” in principle. (4)Data availability Few numerical data on the rate of evolution of gas have been published. (5)Comparison with conventional classification systems Judgment criteria of GHS2.12.2 completely accord with the definition of UNRTDG Classification 4.3. Judgment criteria of EU classification accord with those of GHS, but further categorization is not given for the former. (6)Sources of information for classification results under conventional systems Based on the laws and regulations pursuant to the applicable UNRTDG (In Japan, “Dangerous Goods Regulations” correspond to them). Category 1 = UNRTDG･4.3 I Category 2 = UNRTDG･4.3 II Category 3 = UNRTDG･4.3 III Substances classified into UNRTDG･4.2 (4.3) correspond to GHS Category 1. Substances classified into EU Classification R15 meet GHS judgment criteria, but they are not further categorized. In ERG, Schedules related to “Substances which, in contact with water, emit flammable gases” of GHS are as follows: 135: Pyrophoric substances 72
138: Water-reactive substances – emitting flammable gas 138: Water-reactive substances – emitting flammable/toxic gas Example of substances meeting the judgment criteria: Category 1 UNRTDG4.3I * ERG138 : Alkali metals and their alloys, hydrides, amalgams and suspended solids including alkali earth metals 1410 LITHIUM ALUMINIUM HYDRIDE 1426 SODIUM BOROHYDRIDE 1428 SODIUM UNRTDG4.3 I * ERG139 :Phosphides and part of silane compounds) Category 2 1183 ETHYLDICHLOROSILANE 1360 CALCIUM PHOSPHIDE 1714 ZINC PHOSPHIDE UNRTDG4.3II*ERG138 : ALKALI EARTH METALS, METAL CARBIDES and SILICIDES 1394 ALUMINIUM CARBIDE 1401 CALCIUM 2624 MAGNESIUM SILICIDE UNRTDG4.3 II*ERG139 :PHOSPHIDES and some SILANE COMPOUNDS Category 3 1340 PHOSPHORUS PENTASULPHIDE, free from yellow and white phosphorus 1395 ALUMINIUM FERROSILICON POWDER UNRTDG4.3 III*ERG138 :LIGHT METALS and METAL SILICIDES 1398 ALUMINIUM SILICON POWDER, UNCOATED 1435 ZINC ASHES UNRTDG4.3 III*ERG139 :METAL SILICIDES 1408 FERROSILICON with 30% or more but less than 90% silicon Water-reactive substances failing to meet GHS judgment criteria: There are substances which, in contact with water, emit an inflammable gas (often toxic or corrosive) or produce heat (and dangerous droplets at the same time). These are not included in GHS classification, but they have a Schedule name including the word “water-reactive” in ERG. 73
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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
Page 25 and 26: When a substance does not contain c
Page 27 and 28: Table 2-2 Filled examples of "Not a
Page 29 and 30: oxygen balance = -1600 [2x +(y/2) -
Page 31 and 32: GHS classification 8)Self-reactive
Page 33 and 34: The “Dangerous Goods Regulations,
Page 35 and 36: 4.2 4.3 5.1(I) 5.1(II) 5.1(III) 6.1
Page 37 and 38: 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: transport, the same chemical is to
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 and 90: The flow chart of 2.15.2.2 is exact
Page 91 and 92: 2-3-16 Corrosive to Metals (1)Defin
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
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【GHS 2 nd revised edition】 Figu
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[Note for the above figure] (a) Cla
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B) Classification criteria in GHS (
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(4)Guidance for classification and
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G) Strategy of testing and evaluati
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2c Structure activity Skin corrosiv
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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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