EC number
EC 280-622-9 6-Methoxy-N2-methyl-2,3-pyridinediamine…
CAS 83732-72-3 · CAS 90817-34-8 · EC 280-622-9
Where EC 280-622-9 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
Cosmetics Regulation Annex III, Reference number 203
Last changed in the version in force , by Regulation (EU) No 358/2014, the act that change names · Annex III on this site
| Reference number | Substance identification | Restrictions | Wording of conditions of use and warnings | |||||
|---|---|---|---|---|---|---|---|---|
| Chemical name/INN | Name of Common Ingredients Glossary | CAS number | EC number | Product type, body parts | Maximum concentration in ready for use preparation | Other | ||
| a | b | c | d | e | f | g | h | i |
| 203 | 6-Methoxy-N2-methyl-2,3-pyridinediamine hydrochloride and dihydrochloride salt | 6-Methoxy-2-Methylamino-3-Aminopyridine HCl | 90817-34-8 / 83732-72-3 | – / 280-622-9 | (a) Hair dye substance in oxidative hair dye products | For (a) and (c): After mixing under oxidative conditions the maximum concentration applied to hair or eyelashes must not exceed 0,68 % calculated as free base (1,0 % as dihydrochloride). | (a) To be printed on the label: The mixing ratio. Hair colorants can cause severe allergic reactions. Read and follow instructions. This product is not intended for use on persons under the age of 16. Temporary black henna tattoos may increase your risk of allergy. Do not colour your hair if: you have a rash on your face or sensitive, irritated and damaged scalp, you have ever experienced any reaction after colouring your hair, you have experienced a reaction to a temporary black henna tattoo in the past. | |
| (b) Hair dye substance in non-oxidative hair dye products | (b) 0,68 % as free base (1,0 % as dihydrochloride) | For (a) (b) and (c): Do not use with nitrosating agents Maximum nitrosamine content: 50 μg /kg Keep in nitrite-free containers | (b) Can cause allergic reaction | |||||
| (c) Products intended for colouring eyelashes | (c) For professional use only. | (c) To be printed on the label: The mixing ratio. For professional use only. This product can cause severe allergic reactions. Read and follow instructions. This product is not intended for use on persons under the age of 16. Temporary black henna tattoos may increase the risk of allergy. Eyelashes shall not be coloured if the consumer: has a rash on the face or sensitive, irritated and damaged scalp, has experienced any reaction after colouring hair or eyelashes, has experienced a reaction to a temporary black henna tattoo in the past. Rinse eyes immediately if product comes into contact with them. | ||||||
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
· amended · Cosmetics Regulation Annex III, Reference number 203
Recorded in the version in force , by Regulation (EU) No 358/2014, the act that change names. The change on its version page
| Identifiers | Version | Reference number | Substance identification | Restrictions | Wording of conditions of use and warnings | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Chemical name/INN | Name of Common Ingredients Glossary | CAS number | EC number | Product type, body parts | Maximum concentration in ready for use preparation | Other | ||||
| a | b | c | d | e | f | g | h | i | ||
| Reference number 203CAS 83732-72-3CAS 90817-34-8EC 280-622-9 | Before | 203 | 6-Methoxy-N2-methyl-2,3-pyridinediamine hydrochloride and dihydrochloride salt | 6-Methoxy-2-Methylamino-3-Aminopyridine HCl | 90817-34-8 / 83732-72-3 | – / 280-622-9 | (a) Hair dye substance in oxidative hair dye products | For (a) and (c): After mixing under oxidative conditions the maximum concentration applied to hair or eyelashes must not exceed 0,68 % calculated as free base (1,0 % as dihydrochloride). | (a) To be printed on the label:
The mixing ratio.
Hair | |
| (b) Hair dye substance in non-oxidative hair dye products | (b) 0,68 % as free base (1,0 % as dihydrochloride) | For (a) (b) and (c): Do not use with nitrosating agents Maximum nitrosamine content: 50 μg /kg Keep in nitrite-free containers | (b) Can cause allergic reaction | |||||||
| (c) Products intended for colouring eyelashes | (c) For professional use only. | |||||||||
| After | 203 | 6-Methoxy-N2-methyl-2,3-pyridinediamine hydrochloride and dihydrochloride salt | 6-Methoxy-2-Methylamino-3-Aminopyridine HCl | 90817-34-8 / 83732-72-3 | – / 280-622-9 | (a) Hair dye substance in oxidative hair dye products | For (a) and (c): After mixing under oxidative conditions the maximum concentration applied to hair or eyelashes must not exceed 0,68 % calculated as free base (1,0 % as dihydrochloride). | (a) To be printed on the label: The mixing ratio. Hair colorants can cause severe allergic reactions. Read and follow instructions. This product is not intended for use on persons under the age of 16. Temporary black henna tattoos may increase your risk of allergy. Do not colour your hair if: you have a rash on your face or sensitive, irritated and damaged scalp, you have ever experienced any reaction after colouring your hair, you have experienced a reaction to a temporary black henna tattoo in the past. | ||
| (b) Hair dye substance in non-oxidative hair dye products | (b) 0,68 % as free base (1,0 % as dihydrochloride) | For (a) (b) and (c): Do not use with nitrosating agents Maximum nitrosamine content: 50 μg /kg Keep in nitrite-free containers | (b) Can cause allergic reaction | |||||||
| (c) Products intended for colouring eyelashes | (c) For professional use only. | (c) To be printed on the label: The mixing ratio. For professional use only. This product can cause severe allergic reactions. Read and follow instructions. This product is not intended for use on persons under the age of 16. Temporary black henna tattoos may increase the risk of allergy. Eyelashes shall not be coloured if the consumer: has a rash on the face or sensitive, irritated and damaged scalp, has experienced any reactionafter colouring hair or eyelashes, has experienced a reaction to a temporary black henna tattoo in the past. Rinse eyes immediately if product comes into contact with them. | ||||||||
· amended · Cosmetics Regulation Annex III, Reference number 203
Recorded in the version in force , by Regulation (EU) No 483/2013, the act that change names. The change on its version page
| Identifiers | Version | Reference number | Substance identification | Restrictions | Wording of conditions of use and warnings | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Chemical name/INN | Name of Common Ingredients Glossary | CAS number | EC number | Product type, body parts | Maximum concentration in ready for use preparation | Other | ||||
| a | b | c | d | e | f | g | h | i | ||
| Reference number 203CAS 83732-72-3CAS 90817-34-8EC 280-622-9 | Before | 203 | 6-Methoxy-N2-methyl-2,3-pyridinediamine hydrochloride and dihydrochloride salt | 90817-34-8 / 83732-72-3 | (a) Hair dye substance in oxidative hair dye products | (a) After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 0,68 % calculated as free base (1,0 % as dihydrochloride).
| (a) To be printed on the label: The mixing ratio. Hair colourants can cause severe allergic reactions. Read and follow instructions. This product is not intended for use on persons under the age of 16. Temporary black henna tattoos may increase your risk of allergy. Do not colour your hair if: you have a rash on your face or sensitive, irritated and damaged scalp, you have ever experienced any reaction after colouring your hair, you have experienced a reaction to a temporary black henna tattoo in the past. | |||
| (b) Hair dye substance in non-oxidative hair dye products | (b) 0,68 % as free base (1,0 % as dihydrochloride) | (b) Can cause allergic reaction | ||||||||
| After | 203 | 6-Methoxy-N2-methyl-2,3-pyridinediamine hydrochloride and dihydrochloride salt | 6-Methoxy-2-Methylamino-3-Aminopyridine HCl | 90817-34-8 / 83732-72-3 | – / 280-622-9 | (a) Hair dye substance in oxidative hair dye products | For (a) and (c): After mixing under oxidative conditions the maximum concentration applied to hair or eyelashes must not exceed 0,68 % calculated as free base (1,0 % as dihydrochloride). | (a) To be printed on the label: The mixing ratio. Hair colourants can cause severe allergic reactions. Read and follow instructions. This product is not intended for use on persons under the age of 16. Temporary black henna tattoos may increase your risk of allergy. Do not colour your hair if: you have a rash on your face or sensitive, irritated and damaged scalp, you have ever experienced any reaction after colouring your hair, you have experienced a reaction to a temporary black henna tattoo in the past. | ||
| (b) Hair dye substance in non-oxidative hair dye products | (b) 0,68 % as free base (1,0 % as dihydrochloride) | For (a) (b) and (c): Do not use with nitrosating agents Maximum nitrosamine content: 50 μg /kg Keep in nitrite-free containers | (b) Can cause allergic reaction | |||||||
| (c) Products intended for colouring eyelashes | (c) For professional use only. | |||||||||
· added · Cosmetics Regulation Annex III, Reference number 203
Recorded in the version in force , by Regulation (EU) No 344/2013 and Regulation (EU) No 1197/2013, the acts that change names. The change on its version page
| Identifiers | Reference number | Substance identification | Restrictions | Wording of conditions of use and warnings | |||||
|---|---|---|---|---|---|---|---|---|---|
| Chemical name/INN | Name of Common Ingredients Glossary | CAS number | EC number | Product type, body parts | Maximum concentration in ready for use preparation | Other | |||
| a | b | c | d | e | f | g | h | i | |
| Reference number 203CAS 83732-72-3CAS 90817-34-8EC 280-622-9 | 203 | 6-Methoxy-N2-methyl-2,3-pyridinediamine hydrochloride and dihydrochloride salt | 6-Methoxy-2-methylamino-3-aminopyridine HCl | 90817-34-8 / 83732-72-3 | — / 280-622-9 | (a) Hair dye substance in oxidative hair dye products | (a) After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 0,68 % calculated as free base (1,0 % as dihydrochloride). For (a) and (b): Do not use with nitrosating agents Maximum nitrosamine content: 50 μg /kg Keep in nitrite-free containers | (a) To be printed on the label: The mixing ratio. Hair colourants can cause severe allergic reactions. Read and follow instructions. This product is not intended for use on persons under the age of 16. Temporary black henna tattoos may increase your risk of allergy. Do not colour your hair if: you have a rash on your face or sensitive, irritated and damaged scalp, you have ever experienced any reaction after colouring your hair, you have experienced a reaction to a temporary black henna tattoo in the past. | |
| (b) Hair dye substance in non-oxidative hair dye products | (b) 0,68 % as free base (1,0 % as dihydrochloride) | (b) Can cause allergic reaction | |||||||
Sources
- Cosmetics Regulation: every version the record holds; rows read from EUR-Lex consolidated version 02009R1223-20260518, in force 18 May 2026 (external, EUR-Lex)