CAS number

CAS 7646-79-9 cobalt dichloride

CAS 7646-79-9 · EC 231-589-4 · Index No 027-004-00-5

Where CAS 7646-79-9 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 027-004-00-5

Last changed in the version in force 1 December 2010, by Regulation (EC) No 790/2009, the act that change names · 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
027-004-00-5	cobalt dichloride	231-589-4	7646-79-9	Carc. 1B Muta. 2 Repr. 1B Acute Tox. 4 * Resp. Sens. 1 Skin Sens. 1 Aquatic Acute 1 Aquatic Chronic 1	H350i H341 H360F*** H302 H334 H317 H400 H410	GHS08 GHS07 GHS09 Dgr	H350i H341 H360F*** H302 H334 H317 H410		Carc. 1B; H350i: C ≥ 0,01 % M=10	1

CLP Annex VI section 3, table 2, Index No 027-004-00-5

Last changed in the version in force 19 April 2011, by Regulation (EU) No 286/2011, the act that change names · 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
027-004-00-5	cobalt dichloride	231-589-4	7646-79-9	Carc. Cat. 2; R49 Muta. Cat. 3; R68 Repr. Cat. 2; R60 Xn; R22 R42/43 N; R50-53	T; N R: 49-60-22-42/43-68-50/53 S: 53-45-60-61	Carc. Cat. 2; R49: C ≥ 0,01 % N; R50-53: C ≥ 2,5 % N; R51-53: 0,25 % ≤ C < 2,5 % R52-53: 0,025 % ≤ C < 0,25 %	E1

Cosmetics Regulation Annex II, Reference number 453

No change to this entry since the first version the record holds, in force 11 July 2013. · Annex II on this site

Annex II, table 1
Reference number	Substance identification
Reference number	Chemical name/INN	CAS number	EC number
a	b	c	d
453	Cobalt dichloride	7646-79-9	231-589-4

REACH Annex XVII appendix 2, Index No 027-004-00-5

No change to this entry since the first version the record holds, in force 12 October 2008. · Annex XVII on this site

Annex XVII appendix 2, table 1
Substances	Index No	EC No	CAS No	Notes
Cobalt dichloride	027-004-00-5	231-589-4	7646-79-9	E

REACH Annex XVII appendix 6, Index No 027-004-00-5

Last changed in the version in force 18 February 2012, by Regulation (EU) No 125/2012 and 2 others, the acts that change names · Annex XVII on this site

Annex XVII appendix 6, table 1
Substances	Index No	EC No	CAS No	Notes
Cobalt dichloride	027-004-00-5	231-589-4	7646-79-9

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

18 February 2012 · added · REACH Annex XVII appendix 6, Index No 027-004-00-5

Recorded in the version in force 18 February 2012, by Regulation (EU) No 125/2012 and 2 others, the acts that change names. The change on its version page

Added entries, Annex XVII appendix 6, table 1
Identifiers	Substances	Index No	EC No	CAS No	Notes
Index No 027-004-00-5CAS 7646-79-9EC 231-589-4	Cobalt dichloride	027-004-00-5	231-589-4	7646-79-9

19 April 2011 · amended · CLP Annex VI section 3, table 2, Index No 027-004-00-5

Recorded in the version in force 19 April 2011, by Regulation (EU) No 286/2011, the act that change names. Only spacing, dash forms or accents differ. The change on its version page

Amended entries, Annex VI section 3, table 2
Identifiers	Version	Index No	International Chemical Identification	EC No	CAS No	Classification	Labelling	Concentration Limits	Notes
Index No 027-004-00-5CAS 7646-79-9EC 231-589-4	Before	027-004-00-5	cobalt dichloride	231-589-4	7646-79-9	Carc. Cat. 2; R49 Muta. Cat. 3; R68 Repr. Cat. 2; R60 Xn; R22 R42/43 N; R50-53	T; N R: 49-60-22-42/43-68-50/53 S: 53-45-60-61	Carc. Cat. 2; R49: C ≥ 0,01 % N; R50-53: C ≥ 2,5 % N; R51-53: 0,25 % ≤ C < 2,5 % R52-53: 0,025 % ≤ C < 0,25 %	~~E 1~~
Index No 027-004-00-5CAS 7646-79-9EC 231-589-4	After	027-004-00-5	cobalt dichloride	231-589-4	7646-79-9	Carc. Cat. 2; R49 Muta. Cat. 3; R68 Repr. Cat. 2; R60 Xn; R22 R42/43 N; R50-53	T; N R: 49-60-22-42/43-68-50/53 S: 53-45-60-61	Carc. Cat. 2; R49: C ≥ 0,01 % N; R50-53: C ≥ 2,5 % N; R51-53: 0,25 % ≤ C < 2,5 % R52-53: 0,025 % ≤ C < 0,25 %	E1

1 December 2010 · amended · CLP Annex VI section 3, Index No 027-004-00-5

Recorded in the version in force 1 December 2010, by Regulation (EC) No 790/2009, the act that change names. The change on its version page

Amended entries, Annex VI section 3, table 1
Identifiers	Version	Index No	International Chemical Identification	EC No	CAS No	Classification		Labelling			Specific Conc. Limits, M-factors	Notes
Identifiers	Version	Index No	International Chemical Identification	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)
Index No 027-004-00-5CAS 7646-79-9EC 231-589-4	Before	027-004-00-5	cobalt dichloride	231-589-4	7646-79-9	Carc. 1B Acute Tox. 4 * Resp. Sens. 1 Skin Sens. 1 Aquatic Acute 1 Aquatic Chronic 1	H350i H302 H334 H317 H400 H410	GHS08 GHS07 GHS09 Dgr	H350i H302 H334 H317 H410		Carc. 1B; H350i: C ≥ 0,01 % *	1
Index No 027-004-00-5CAS 7646-79-9EC 231-589-4	After	027-004-00-5	cobalt dichloride	231-589-4	7646-79-9	Carc. 1B Muta. 2 Repr. 1B Acute Tox. 4 * Resp. Sens. 1 Skin Sens. 1 Aquatic Acute 1 Aquatic Chronic 1	H350i H341 H360F*** H302 H334 H317 H400 H410	GHS08 GHS07 GHS09 Dgr	H350i H341 H360F*** H302 H334 H317 H410		Carc. 1B; H350i: C ≥ 0,01 % M=10	1

1 December 2010 · amended · CLP Annex VI section 3, table 2, Index No 027-004-00-5

Recorded in the version in force 1 December 2010, by Regulation (EC) No 790/2009, the act that change names. The change on its version page

Amended entries, Annex VI section 3, table 2
Identifiers	Version	Index No	International Chemical Identification	EC No	CAS No	Classification	Labelling	Concentration Limits	Notes
Index No 027-004-00-5CAS 7646-79-9EC 231-589-4	Before	027-004-00-5	cobalt dichloride	231-589-4	7646-79-9	Carc. Cat. 2; R49 Xn; R22 R42/43 N; R50-53	T; N R: ~~49-22-42/43-50/53~~ S: ~~(2-)22-53-45-60-61~~	Carc. Cat. 2; R49: C ≥ 0,01 % ~~Xn; R22:~~ C ≥ 2,5 %	E 1
Index No 027-004-00-5CAS 7646-79-9EC 231-589-4	After	027-004-00-5	cobalt dichloride	231-589-4	7646-79-9	Carc. Cat. 2; R49 Muta. Cat. 3; R68 Repr. Cat. 2; R60 Xn; R22 R42/43 N; R50-53	T; N R: 49-60-22-42/43-68-50/53 S: 53-45-60-61	Carc. Cat. 2; R49: C ≥ 0,01 % N; R50-53: C ≥ 2,5 %N; R51-53: 0,25 % ≤ C < 2,5 % R52-53: 0,025 % ≤ C < 0,25 %	E 1

Sources

CLP: every version the record holds; rows read from EUR-Lex consolidated version 02008R1272-20270101, in force 1 January 2027 (external, EUR-Lex)
Cosmetics Regulation: every version the record holds; rows read from EUR-Lex consolidated version 02009R1223-20260518, in force 18 May 2026 (external, EUR-Lex)
REACH: every version the record holds; rows read from EUR-Lex consolidated version 02006R1907-20260622, detected 11 September 2026 (external, EUR-Lex)

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