IMAGE SOURCE: PubChem
Other ConcernsUse restrictions (high), Non-reproductive organ system toxicity (low), and Irritation (skin, eyes, or lungs) (low)
SYNONYMS3,7-BIS(DIMETHYLAMINO)- CHLORIDE PHENOTHIAZIN-5-IUM, 3,7-BIS(DIMETHYLAMINO)PHENOTHIAZIN-5-IUM CHLORIDE, 7-(DIMETHYLAMINO)-3-(METHYLIMINO)-3H-PHENOTHIAZINE, 3-METHOCHLORIDE, BASIC BLUE 9, CHLORIDE PHENOTHIAZIN-5-IUM, 3,7-BIS(DIMETHYLAMINO)-, CI 52015, METHYLENE BLUE, METHYLENIUM CERULEUM, METHYLTHIONINE CHLORIDE, METHYLTHIONINIUM CHLORIDE, PHENOTHIAZIN-5-IUM, 3,7-BIS(DIMETHYLAMINO)-, CHLORIDE, PHENOTHIAZIN5IUM, 3,7BIS(DIMETHYLAMINO), CHLORIDE, SOLVENT BLUE 8, and TETRAMETHYLTHIONI NE CHLOIDE
Unacceptable: EWG VERIFIED products cannot contain this ingredient
Basic Blue 9 is a thiazine color.
See how this product scores for common concerns.
LOWAllergies & Immunotoxicity
LOWDevelopmental and Reproductive Toxicity
- DATA SOURCES
Products with this Ingredient
|hair color and bleaching||12 products|
|Violation of government restrictions - Banned or found unsafe for use in cosmetics||CosIng|
|Determined safe for use in cosmetics, subject to concentration or use limitations - any||CTFA International Cosmetic Ingredient Dictionary and Handbook|
|Limited evidence of carcinogenicity||Open scientific literature|
|Cancer - limited evidence||CTFA International Cosmetic Ingredient Dictionary and Handbook|
|Not likely to be carcinogenic in humans||Open scientific literature|
|Limited or incomplete evidence of cancer according to safety/hazard data – government assessment cannot classify as human carcinogen due to data gaps||Int'l Agency for Research on Cancer (IARC) - Carcinogens|
Irritation (skin, eyes, or lungs)
|Limited evidence of skin irritation||National Library of Medicine HazMap|
Organ system toxicity (non-reproductive)
|Limited evidence of cardiovascular or blood toxicity||National Library of Medicine HazMap|
|Limited evidence of cardiovascular or blood toxicity||Scorecard.org Toxicity Information|
|Classified as not expected to be potentially toxic or harmful||Environment Canada Domestic Substance List|
|12556 studies in PubMed science library may include information on the toxicity of this chemical||NLM PubMed|
|Not suspected to be an environmental toxin||Environment Canada Domestic Substance List|
Persistence and bioaccumulation
|Not suspected to be persistent||Environment Canada Domestic Substance List|
|Not suspected to be bioaccumulative||Environment Canada Domestic Substance List|
|Industry or government recommendations for safe use: restrictions on concentration, impurities, product types, or manufacturing methods - any||Open scientific literature|
- European Commission. 2013. Cosing, the European Commission database with information on cosmetic substances and ingredients. Accessed on March 1, 2013 at http://ec.europa.eu/consumers/cosmetics/cosing/ .
- CTFA (Cosmetic, Toiletry and Fragrance Association). 2006. International Cosmetic Ingredient Dictionary and Handbook, 11th Edition. Color Additive Information. Washington, DC.
- Open scientific/peer reviewed literature
- IARC (International Agency for Research on Cancer). 2008. Overall Evaluations of Carcinogenicity to Humans, as evaluated in IARC Monographs Volumes 1-99 (a total of 935 agents, mixtures and exposures).
- NLM (National Library of Medicine). 2006. HazMap — Occupational Exposure to Hazardous Agents.
- ED (Environmental Defense). 2006. Scorecard _ The Pollution Information Site. http://www.scorecard.org.
- EC (Environment Canada). 2008. Domestic Substances List Categorization. Canadian Environmental Protection Act (CEPA) Environmental Registry.
- NLM (National Library of Medicine). 2012. PubMed online scientific bibliography data. http://www.pubmed.gov.
Cosmetics and personal care products are not required to be tested for safety before being allowed on the market. The Skin Deep® scoring system was designed to help the public understand whether a product is safe to use or whether it contains ingredients of concern.
Every product and ingredient in Skin Deep gets a two-part score – one for hazard and one for data availability. The safest products score well by both measures, with a low hazard rating and a fair or better data availability rating.HOW WE DETERMINE SCORES
The Skin Deep ingredient hazard score, from 1 to 10, reflects known and suspected hazards linked to the ingredients. The EWG VERIFIED™ mark means a product meets EWG’s strictest criteria for transparency and health.
The Skin Deep data availability rating reflects the number of scientific studies about the product or ingredient in the published scientific literature.