1,5-NAPHTHALENEDIOL

What official classifications and rules say for each group. A classification describes the hazard of the pure substance, not the risk of a product that contains it, which depends on the dose and the exposure.

Prohibition or serious classificationThe text prohibits the substance for this use, or ranks it among the most serious hazards (known or presumed carcinogenic, mutagenic or reprotoxic, identified endocrine disruptor).Worth watchingThe text sets a condition or flags a hazard worth knowing: allergen, suspected effect, condition for children, hazard to the aquatic environment.For informationOfficial information with no condition on a finished product: warning to read, irritation of the pure substance.

• Pregnancy and breastfeeding

  No classification harmonised by the European Union covers reproduction, the unborn child or breastfeeding for this substance. This does not mean it has been judged to have no effect during pregnancy.

• Babies and children

  The Cosmetics Regulation sets no age-related condition for this ingredient.

• Skin, eyes and allergies

  No harmonised classification for sensitisation, irritation or eye damage, and no obligation to label it as an allergen.

• Environment

  No harmonised classification as hazardous to the aquatic environment, and it is not on ECHAEuropean Chemicals Agency.'s Candidate List as an endocrine disruptor for the environment.

• Read on the label

  For informationOfficial information with no condition on a finished product: warning to read, irritation of the pure substance.

  For information Annex III, entry 238, requires this to be printed on the pack: “Hair colourants can cause severe allergic reactions Read and follow instrctions”.

Allowed with restrictions

Product type

a) Hair dye substance in oxidative hair dye products b) Hair dye substance in non-oxidative hair dye products

Maximum concentration

b) 1.0%

Other conditions

a) After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 1.0%

Warning to print

Hair colourants can cause severe allergic reactions Read and follow instrctions

Entry

Annex III, No 238

Substance

Naphthalene-1,5-diol and its salts

Glossary names

1,5-NAPHTHALENEDIOL

CAS

83-56-7

EC

201-487-4

Identity

CosIng identifier

31468

CAS (according to CosIng)

83-56-7

EC (according to CosIng)

201-487-4

Declared functions

Hair dyeing

Wikidata

Q19842073

PubChem

6749

ECHA InfoCard

100.001.353

InChIKey

BOKGTLAJQHTOKE-UHFFFAOYSA-N

United Kingdom (Great Britain)

• Allowed with restrictions (Annex III)

Same entries as in the European Union. Their maximum concentrations are compared in the “Comparison between countries” table; other conditions (product types, warnings) may differ.

Switzerland

Regulation (EC) No 1223/2009 applies in Switzerland (Article 54 of the Ordinance on Foodstuffs and Utility Articles).

United States, federal rules

None of the integrated sections of the federal code (21 CFR 700.11 to 700.27 and 250.250) targets this name. The FDA does not publish a list of allowed ingredients.

South Korea

• Prohibited: 1,5-디히드록시나프탈렌 (1,5-NAPHTHALENEDIOL)

  별표 1 (prohibited substances), entry 206, page 11.

  Conditions, source text, in Korean

  ※ 유의사항 2: 1) 표시는 [별표 2] 염모제 성분에서 정한 기준에 적합한 경우는 제외한다.

• Restricted: 1,5-디히드록시나프탈렌 (1,5-NAPHTHALENEDIOL)

  별표 2, 염모제 성분 (hair colorants), entry 27, page 19. Limit: 산화염모제에 0.5%.

  Conditions, source text, in Korean

  비고: 기타 제품에는 사용금지

Australia

• Subject to conditions (threshold, labelling or packaging): 1,5-NAPHTHALENEDIOL

  Poisons Standard, Schedule 6 (cosmetic entries), page 270. Thresholds cited: 1% or less.

  Conditions, source text

  except: | (a) in non-oxidative hair dye preparations containing 1% or less of 1,5-naphthalenediol when the immediate container and primary pack are labelled with the following statements: | (i) KEEP OUT OF REACH OF CHILDREN; and | (ii) WARNING – This product contains ingredients which may cause skin sensitisation to certain individuals. A preliminary test according to the accompanying directions should be made before use. This product must not be used for dyeing eyelashes or eyebrows; to do so may be injurious to the eye; | written in letters not less than 1.5 mm in height; or | (b) in oxidative hair dye preparations containing 1% or less of 1,5-naphthalenediol after mixing under oxidative conditions when the immediate container and primary pack are labelled with the following statements: | (i) KEEP OUT OF REACH OF CHILDREN; and | (ii) WARNING – This product contains ingredients which may cause skin sensitisation to certain individuals. A preliminary test according to the accompanying directions should be made before use. This product must not be used for dyeing eyelashes or eyebrows; to do so may be injurious to the eye; | written in letters not less than 1.5 mm in height.

ASEAN (South-East Asia)

• Restricted (conditions or maximum concentration): Naphthalene-1,5-diol 1,5-Naphthalenediol

  Annex III (restricted substances), entry 241, page 173. Limit: (b) 1.0%.

  Conditions, source text

  Ref column: (238) | Field of application and/or use: (a) Hair dye substance in oxidative hair dye products (b) Hair dye substance in non-oxidative hair dye products Use for dyeing eyelashes and eyebrows is not permitted. | Other limitations and requirements: (a) After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 1.0 % (a) and (b): The direction for use “wear suitable gloves” must be included in label or leaflet text. | Conditions of use and warning which must be printed on the labels: (a) The mixing ratio must be printed on the label. 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 (a) & (b) Do not use to dye eyelashes or eyebrows

Taiwan

• Restricted (conditions or maximum concentration): Naphthalene-1,5-diol (1,5-Naphthalenediol)

  化粧品成分使用限制表 (restricted substances). Limit: (a)1% (b)1%.

  Conditions, source text, in Chinese

  產品類型／使用範圍：(a)氧化性染髮產品 (b)非氧化性染髮產品