EU/US Properties Organoleptics Cosmetics Suppliers Safety Safety in use Safety references References Other Blenders Uses Occurrence Synonyms Articles Notes

basic blue 99
3-[(4-amino-6-bromo-5,8-dihydro-1-hydroxy-8-imino-5-oxo-2-naphtyl)amino]-N,N,N-trimethylanilinium chloride

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CAS Number: 68123-13-7Picture of molecule3D/inchi
ECHA EINECS - REACH Pre-Reg:268-544-3
Molecular Weight:451.75080000
Formula:C19 H20 Br Cl N4 O2
NMR Predictor:Predict (works with chrome, Edge or firefox)
Category:hair dyeing agents
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Google Scholar:Search
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Google Patents:Search
US Patents:Search
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Pubchem Patents:Search
Physical Properties:
Assay: 95.00 to 100.00
Food Chemicals Codex Listed: No
Flash Point: 32.00 °F. TCC ( 0.00 °C. ) (est)
logP (o/w): -4.258 (est)
Soluble in:
 water, 8226 mg/L @ 25 °C (est)
Organoleptic Properties:
Odor and/or flavor descriptions from others (if found).
Cosmetic Information:
CosIng:cosmetic data
Cosmetic Uses: hair dyeing agents
BOC Sciences
For experimental / research use only.
Basic Blue 99 95%
Safety Information:
Hazards identification
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
Not determined
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
Safety in Use Information:
hair dyeing agents
Recommendation for basic blue 99 usage levels up to:
 not for fragrance use.
Recommendation for basic blue 99 flavor usage levels up to:
 not for flavor use.
Safety References:
EPI System: View
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA Substance Registry Services (TSCA):68123-13-7
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :5484230
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:2
NIST Chemistry WebBook:Search Inchi
Pubchem (cid):5484230
Pubchem (sid):135049816
Other Information:
(IUPAC):Atomic Weights of the Elements 2011 (pdf)
Videos:The Periodic Table of Videos
tgsc:Atomic Weights use for this web site
(IUPAC):Periodic Table of the Elements
HMDB (The Human Metabolome Database):Search
FDA Color Additive Status ListView
Potential Blenders and core components note
None Found
Potential Uses:
 hair dyeing agents
Occurrence (nature, food, other):note
 not found in nature
3-[(4-amino-6-bromo-1-hydroxy-8-imino-5-oxo-5,8-dihydronaphthalen-2-yl)amino]-N,N,N-trimethylanilinium chloride
3-((4-amino-6-bromo-5,8-dihydro-1-hydroxy-8-imino-5-oxo-2-naphtha- lenyl)amino)-N,N,N-trimethylbenzenaminium chloride
3-((4-amino-6-bromo-5,8-dihydro-1-hydroxy-8-imino-5-oxo-2-naphtyl)amino)-N,N,N-trimethyl anilinium chloride
3-((4-amino-6-bromo-5,8-dihydro-1-hydroxy-8-imino-5-oxo-2-naphtyl)amino)-N,N,N-trimethylanilinium chloride
3-[(4-amino-6-bromo-5,8-dihydro-1-hydroxy-8-imino-5-oxo-2-naphtyl)amino]-N,N,N-trimethylanilinium chloride
 benzenaminium, 3-((4-amino-6-bromo-5,8-dihydro-1-hydroxy-8-imino-5-oxo-2-naphtha- lenyl)amino)-N,N,N-trimethyl-, chloride
 benzenaminium, 3-((4-amino-6-bromo-5,8-dihydro-1-hydroxy-8-imino-5-oxo-2-naphthalenyl)amino)-N,N,N-trimethyl-, chloride
 benzenaminium, 3-[(4-amino-6-bromo-5,8-dihydro-1-hydroxy-8-imino-5-oxo-2-naphthalenyl)amino]-N,N,N-trimethyl-, chloride (1:1)
 c.i. 56059
 C.I. basic blue 99
 ci 56059


PubMed:Final report on the safety assessment of Basic Blue 99.
PubMed:Contact urticaria syndrome caused by direct hair dyes in a hairdresser.
PubMed:Urticaria and contact urticaria due to basic blue 99 in a hair dye.
PubMed:Immediate-type allergy to the hair dye basic blue 99 in a hairdresser.
PubMed:Cosmetic allergy from the aminoketone colour basic blue 99 (CI 56059).
PubMed:Contact urticaria to cosmetic and industrial dyes.
PubMed:Separation and determination of basic dyes formulated in hair care products by capillary electrophoresis.
PubMed:Sensitization of oral bacteria in biofilms to killing by light from a low-power laser.
causes contact dermatitis.
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