Chapter 2.5

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Statutory Documents - IMO Publications and Documents - Resolutions - Maritime Safety Committee - Resolution MSC.262(84) – Adoption of Amendments to the International Maritime Dangerous Goods (IMDG) Code – (Adopted on 16 May 2008) - Annex – Amendments to the International Maritime Dangerous Goods (IMDG) Code - Part 2 - Chapter 2.5

Chapter 2.5

2.5.3.2.4 In the table amend the entries listed below as follows:

Number (generic entry)	Organic peroxide			Column	Amendment
Move this entry from UN 3101 to UN 3105	tert-AMYL PEROXY-3,5,5-TRIMETHYLHEXANOATE		As fourth entry	Packing method	Replace “OP5” with “OP7”
UN 3103	1,6-DI-(tert-BUTYLPEROXYCARBONYLOXY)-HEXANE			Concentration	Replace “<72” with “≤ 72”
UN 3107	tert-BUTYLHYDROPROXIDE		(English only)	Organic Peroxide	Insert a space between the words “BUTYL” and “HYDROPE ROXIDE”
UN 3107	DI-tert-AMYLPEROXIDE		(English only)	Organic Peroxide	Insert a space between the words “AMYL” and “PEROXIDE”
UN 3108	“n-BUTYL-DI-(BUTYLPEROXY) VALERATE”		(English and French only)	Organic Peroxide	Insert “tert-” before “BUTYLPER OXY) VALERATE”
UN 3109	2,5-DIMETHYL-2,5-DI(tert-BUTYLPEROXY)-HEXANE			Diluent type B	Move “≥48” from ‘Diluent type B’ to ‘Diluent type A’
UN 3110	DICUMYL PEROXIDE (Concentration > 52-100)			Inert solid	Delete “≤ 48”
UN 3115	DIACETYLPEROXIDE		(English only)	Organic Peroxide	Insert space between “DIACETYL” and “PEROXIDE”
Move this entry from UN 3117 to UN 3119	DI-(2-ETHYLHEXYL) PEROXYDICARBONATE (Concentration ≤ 62 as a stable dispersion in water)			Number
UN 3117	1,1-DIMETHYL-3- HYEROXYBUTYLPEROXYNEOHEPTANOATE		(English Only)	Organic Peroxide	Insert space between “HYEROXY BUTYL” and “PEROXYNE OHEPTANO ATE”
UN 3119	DI-(2-ETHYLHEXYL) PEROXYDICARBONATE (Concentration ≤ 52 as a stable dispersion in water)				Delete the entry
Note 8	Replace “≤ 0.7%” with “≤ 10.7%” (English only)

Insert new entries:

Number (generic entry)	Organic peroxide		Concentration (%)	Dilutent type A (%)	Dilutent type B (%)	Insert solid (%)	Water (%)	Packing method	Control temperature (°C)	Emergency temperature (°C)	Subsidiary risks and remarks
3119	tert-AMYL PEROXYNEODECANOATE		≤ 47	≥ 53				OP8	0	+10
3106	tert-BUTYL PEROXY 3,5,5- TRIMETHYLHEXANOATE		≤ 42			≥ 58		OP7
3115	CUMYL PEROXYNEODECANOATE		≤ 87	≥ 13				OP7	-10	0
3105	2,2-DI-(tert-AMYLPEROXY)- BUTANE		≤ 57	≥ 43				OP7
3103	1,1-DI-(tert-BUTYLPEROXY)- CYCLOHEXANE		≤ 72		≥ 28			OP5			30)
3105	1,1-DI-(tert-BUTYLPEROXY)- CYCLOHEXANE + tert-BUTYL PEROXY-2-ETHYLHEXANOATE		≤ 43 + ≤ 16	≥ 41				OP7
3103	1,1-DI-(tert-BUTYLPEROXY)- 3,3,5-TRIMETHYLCYCLOHEXANE		≤ 90		≥ 10			OP5			30)
3118	DI-2,4-DICHLOROBENZOYL PEROXIDE		≤ 52 as a paste					OP8	+20	+25
3115	3-HYDROXY-1,1- DIMETHYLBUTYL PEROXYNEODECANOATE		≤ 77	≥ 23				OP7	-5	+5
3119	3-HYDROXY-1,1- DIMETHYLBUTYL PEROXYNEODECANOATE		≤ 52 as a stable dispersion in water					OP8	-5	+5
3117	3-HYDROXY-1,1- DIMETHYLBUTYL PEROXYNEODECANOATE		≤ 52	≥ 48				OP8	-5	+5
3109	METHYL ISOPROPYL KETONE PEROXIDE(S)		See remark 31)	≥ 70				OP8			31)
3107	3,3,5,7,7-PENTAMETHYL- 1,2,4-TRIOXEPANE		≤ 100					OP8

After the table:

Insert “(30) Diluent type B with boiling point > 130°C”

Insert “(31) Active oxygen ≤ 6.7%.”

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