CAS number

CAS 32534-81-9 pentabromodiphenyl ether

CAS 32534-81-9 · CAS 40088-47-9 · EC 251-084-2 · EC 254-787-2 · Index No 602-083-00-4

Where CAS 32534-81-9 appears: every table entry that prints it among its identifiers, in the newest version of each act this record holds, and every recorded change to those entries. Many entries name a group of substances and print no number, so absence here is not absence from the law. Not legal advice.

Where it appears now

CLP Annex VI section 3, Index No 602-083-00-4

No change to this entry since the first version the record holds, in force 1 December 2010. · Annex VI on this site

Annex VI section 3, table 1
Index No	Chemical name	EC No	CAS No	Classification		Labelling			Specific Conc. Limits, M-factors and ATEs	Notes
Index No	Chemical name	EC No	CAS No	Hazard Class and Category Code(s)	Hazard statement Code(s)	Pictogram, Signal Word Code(s)	Hazard statement Code(s)	Suppl. Hazard statement Code(s)	Specific Conc. Limits, M-factors and ATEs	Notes
602-083-00-4	diphenyl ether, pentabromo derivative pentabromodiphenyl ether	251-084-2	32534-81-9	STOT RE 2 * Lact. Aquatic Acute 1 Aquatic Chronic 1	H373 ** H362 H400 H410	GHS08 GHS09 Wng	H373 ** H362 H410

CLP Annex VI section 3, table 2, Index No 602-083-00-4

No change to this entry since the first version the record holds, in force 1 December 2010. · Annex VI on this site

Annex VI section 3, table 2
Index No	International Chemical Identification	EC No	CAS No	Classification	Labelling	Concentration Limits	Notes
602-083-00-4	diphenyl ether, pentabromo derivative pentabromodiphenyl ether	251-084-2	32534-81-9	Xn; R48/21/22 R64 N; R50-53	Xn; N R: 48/21/22-50/53-64 S: (1/2-)36/37-45-60-61

PIC Regulation Annex I, the entry for Commercial pentabromodiphenyl ether, including

Last changed in the version in force 1 July 2022, by Regulation (EU) 2022/643, the act that change names · Annex I on this site

Annex I, table 1
Chemical	CAS No	EC No	CN code	Subcategory	Use limitation	Countries for which no notification is required
Commercial pentabromodiphenyl ether, including tetrabromo diphenyl ether pentabromo diphenyl ether	40088-47-9 32534-81-9	254-787-2 251-084-2	ex29093031 ex29093038 ex38248800	i(1)-i(2)	b-b

PIC Regulation Annex I, table 3, the entry for pentabromodiphenyl ether

Last changed in the version in force 1 July 2022, by Regulation (EU) 2022/643, the act that change names · Annex I on this site

Annex I, table 3
Chemical	Relevant CAS number(s)	HS code Pure substance	HS code Mixtures containing substance	Category
pentabromodiphenyl ether	32534-81-9

PIC Regulation Annex V, the entry for Pentabromodiphenyl ether C12H5Br5O

Last changed in the version in force 1 July 2022, by Regulation (EU) 2022/643, the act that change names · Annex V on this site

Annex V, table 1
Description of chemicals/article(s) subject to export ban	Additional details, where relevant (e.g. name of chemical, EC No, CAS No, etc.)
	Pentabromodiphenyl ether C12H5Br5O	EC No 251-084-2 and others CAS No 32534-81-9 and others CN code ex29093031

PIC Regulation Annex V, the entry for Pentabromodiphenyl ether

Last changed in the version in force 1 July 2022, by Regulation (EU) 2022/643, the act that change names · Annex V on this site

Annex V, table 1
Description of chemicals/article(s) subject to export ban	Additional details, where relevant (e.g. name of chemical, EC No, CAS No, etc.)
	Pentabromodiphenyl ether	EC No 251-084-2 and others CAS No 32534-81-9 and others CN code ex29093031

POPs Regulation Annex I, the entry for Pentabromodiphenyl ether

Last changed in the version detected 4 September 2026 · Annex I on this site

Annex I, table 1
Substance	CAS No	EC No	Specific exemption on intermediate use or other specification
Pentabromodiphenyl ether C12H5Br5O	32534-81-9 and others	251-084-2 and others	1. For the purposes of this entry, point (b) of Article 4(1) shall apply to concentrations of pentabromodiphenyl ether equal to or below 10 mg/kg (0,001 % by weight) where it is present in substances. 2. For the purposes of the entries on tetra-, penta-, hexa-, hepta- and decaBDE, point (b) of Article 4(1) shall apply to the following sum of the concentrations of those substances: (a) 10 mg/kg upon entry into force of this Regulation where they are present in mixtures or articles, except for food contact materials subject to Regulation (EC) No 1935/2004; (b) by way of derogation from point (a), 500 mg/kg upon entry into force of this Regulation, 350 mg/kg as of 30 December 2025 and 200 mg/kg as of 30 December 2027 where they are present in mixtures or articles containing or made of recovered material containing tetra-, penta-, hexa-, hepta- or decaBDE, except for food contact materials subject to Regulation (EC) No 1935/2004; (c) by way of derogation from point (a), 500 mg/kg upon entry into force of this Regulation, 350 mg/kg as of 30 December 2025 and 10 mg/kg as of 17 May 2027, where they are present in toys subject to Directive 2009/48/EC, or in any product facilitating children’s seating, sleep, relaxation, hygiene, changing and general body care, feeding, sucking, transportation and protection, containing or made of recovered material containing tetra-, penta-, hexa-, hepta- or decaBDE, except for food contact materials subject to Regulation (EC) No 1935/2004. 3. By way of derogation, the manufacturing, placing on the market and use of the following shall be allowed: electrical and electronic equipment within the scope of Directive 2011/65/EU. 4. Use of articles already in use in the Union before 25 August 2010 containing pentabromodiphenyl ether shall be allowed. Article 4(2), third and fourth subparagraphs shall apply in relation to such articles.

POPs Regulation Annex IV, the entry for Pentabromodiphenyl ether C12H5Br5O

No change to this entry since the first version the record holds, detected 4 September 2026. · Annex IV on this site

Annex IV, table 1
Substance	CAS No	EC No	Concentration limit referred to in Article 7(4)(a)
Pentabromodiphenyl ether C12H5Br5O	32534-81-9 and others	251-084-2 and others

Look up a number

Type a CAS or EC number, with or without its hyphens, or an Index No into the search box at the top of the page: it reads 50000 as CAS 50-00-0. Every number is also listed by act on the substances page.

Its history

4 September 2026 · amended · POPs Regulation Annex I, the entry for Pentabromodiphenyl ether

Recorded in the version detected 4 September 2026. The change on its version page

Amended entries, Annex I, table 1
Identifiers	Version	Substance	CAS No	EC No	Specific exemption on intermediate use or other specification
Pentabromodiphenyl etherCAS 32534-81-9EC 251-084-2	Before	Pentabromodiphenyl ether C12H5Br5O	32534-81-9 and others	251-084-2 and others	1. For the purposes of this entry, point (b) of Article 4(1) shall apply to concentrations of pentabromodiphenyl ether equal to or below 10 mg/kg (0,001 % by weight) where it is present in substances. 2. For the purposes of the entries on tetra-, penta-, hexa-, hepta- and decaBDE, point (b) of Article 4(1) shall apply to the sum of the concentration of those substances up to 500 mg/kg where they are present in mixtures or articles, subject to review and assessment by the Commission by 16 July 2021. This review shall assess, inter alia, all relevant impacts with regard to health and the environment. 3. By way of derogation, the manufacturing, placing on the market and use of the following shall be allowed: electrical and electronic equipment within the scope of Directive ~~2011/65/EC.~~ 4. Use of articles already in use in the Union before 25 August 2010 containing ~~Pentabromodiphenyl~~ ether shall be allowed. Article 4(2), third and fourth subparagraphs shall apply in relation to such articles.
Pentabromodiphenyl etherCAS 32534-81-9EC 251-084-2	After	Pentabromodiphenyl ether C12H5Br5O	32534-81-9 and others	251-084-2 and others	1. For the purposes of this entry, point (b) of Article 4(1) shall apply to concentrations of pentabromodiphenyl ether equal to or below 10 mg/kg (0,001 % by weight) where it is present in substances. 2. For the purposes of the entries on tetra-, penta-, hexa-, hepta- and decaBDE, point (b) of Article 4(1) shall apply to the sum of the concentration of those substances up to 500 mg/kg where they are present in mixtures or articles, subject to review and assessment by the Commission by 16 July 2021. This review shall assess, inter alia, all relevant impacts with regard to health and the environment. 3. By way of derogation, the manufacturing, placing on the market and use of the following shall be allowed: electrical and electronic equipment within the scope of Directive 2011/65/EU. 4. Use of articles already in use in the Union before 25 August 2010 containing pentabromodiphenyl ether shall be allowed. Article 4(2), third and fourth subparagraphs shall apply in relation to such articles.

17 November 2025 · amended · POPs Regulation Annex I, the entry for Pentabromodiphenyl ether

Recorded in the version in force 17 November 2025, by Regulation (EU) 2025/718 and Regulation (EU) 2025/1482, the acts that change names. The change on its version page

Amended entries, Annex I, table 1
Identifiers	Version	Substance	CAS No	EC No	Specific exemption on intermediate use or other specification
Pentabromodiphenyl etherCAS 32534-81-9EC 251-084-2	Before	Pentabromodiphenyl ether C12H5Br5O	32534-81-9 and others	251-084-2 and others	1. For the purposes of this entry, point (b) of Article 4(1) shall apply to concentrations of pentabromodiphenyl ether equal to or below 10 mg/kg (0,001 % by weight) where it is present in substances. 2. For the purposes of the entries on tetra-, penta-, hexa-, hepta- and decaBDE, point (b) of Article 4(1) shall apply to the sum of the ~~concentration~~ of those ~~substances up to 500~~ mg/kg where they are present in mixtures or articles, subject to ~~review~~ and ~~assessment~~ by ~~the Commission by 16 July 2021. This review shall assess, inter alia, all relevant impacts with regard~~ to ~~health~~ and ~~the environment.~~ 3. By way of derogation, the manufacturing, placing on the market and use of the following shall be allowed: electrical and electronic equipment within the scope of Directive 2011/65/EU. 4. Use of articles already in use in the Union before 25 August 2010 containing pentabromodiphenyl ether shall be allowed. Article 4(2), third and fourth subparagraphs shall apply in relation to such articles.
Pentabromodiphenyl etherCAS 32534-81-9EC 251-084-2	After	Pentabromodiphenyl ether C12H5Br5O	32534-81-9 and others	251-084-2 and others	1. For the purposes of this entry, point (b) of Article 4(1) shall apply to concentrations of pentabromodiphenyl ether equal to or below 10 mg/kg (0,001 % by weight) where it is present in substances. 2. For the purposes of the entries on tetra-, penta-, hexa-, hepta- and decaBDE, point (b) of Article 4(1) shall apply to the following sum of the concentrations of those substances: (a) 10 mg/kg upon entry into force of this Regulation where they are present in mixtures or articles, except for food contact materials subject to Regulation (EC) No 1935/2004; (b) by way of derogation from point (a), 500 mg/kg upon entry into force of this Regulation, 350 mg/kg as of 30 December 2025 and 200 mg/kg as of 30 December 2027 where they are present in mixtures or articles containing or made of recovered material containing tetra-, penta-, hexa-, hepta- or decaBDE, except for food contact materials subject to Regulation (EC) No 1935/2004; (c) by way of derogation from point (a), 500 mg/kg upon entry into force of this Regulation, 350 mg/kg as of 30 December 2025 and 10 mg/kg as of 17 May 2027, where they are present in toys subject to Directive 2009/48/EC, or in any product facilitating children’s seating, sleep, relaxation, hygiene, changing and general body care, feeding, sucking, transportation and protection, containing or made of recovered material containing tetra-, penta-, hexa-, hepta- or decaBDE, except for food contact materials subject to Regulation (EC) No 1935/2004. 3. By way of derogation, the manufacturing, placing on the market and use of the following shall be allowed: electrical and electronic equipment within the scope of Directive 2011/65/EU. 4. Use of articles already in use in the Union before 25 August 2010 containing pentabromodiphenyl ether shall be allowed. Article 4(2), third and fourth subparagraphs shall apply in relation to such articles.