Articles:
1,4-naphthalenedione, 2-hydroxy-
Notes:
from leaves of lawsonia inermis l. topical sunscreening agent; powdered leaves of lawsonia inermis(lythraceae) used as brown hair dye.
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| CAS Number: | 83-72-7 |  3D/inchi
|
| ECHA EINECS - REACH Pre-Reg: | 201-496-3 | |
| FDA UNII: | TLH4A6LV1W | |
| Nikkaji Web: | J4.642F | |
| Beilstein Number: | 1565260 | |
| MDL: | MFCD00001678 | |
| XlogP3-AA: | 0.90 (est) | |
| Molecular Weight: | 174.15542000 | |
| Formula: | C10 H6 O3 | |
| BioActivity Summary: | listing | |
| NMR Predictor: | Predict (works with chrome or firefox) | |
Category: hair dyeing agents
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
| Google Scholar: | Search |
| Google Books: | Search |
| Google Scholar: with word "volatile" | Search |
| Google Scholar: with word "flavor" | Search |
| Google Scholar: with word "odor" | Search |
| Google Patents: | Search |
| US Patents: | Search |
| EU Patents: | Search |
| Pubchem Patents: | Search |
| PubMed: | Search |
| NCBI: | Search |
Physical Properties:
| Appearance: | yellow powder (est) |
| Assay: | 95.00 to 100.00 % |
| Food Chemicals Codex Listed: | No |
| Melting Point: | 194.00 °C. @ 760.00 mm Hg |
| Boiling Point: | 352.40 °C. @ 760.00 mm Hg (est) |
| Flash Point: | 358.00 °F. TCC ( 181.10 °C. ) (est) |
| logP (o/w): | 1.380 |
| Soluble in: | |
| water, 3895 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 |
Suppliers:
| BOC Sciences |
| For experimental / research use only. |
| 2-Hydroxy-1,4-naphoquinone 98% |
| ExtraSynthese |
| For experimental / research use only. |
| Lawsone (HPLC) ≥95% |
| Santa Cruz Biotechnology |
| For experimental / research use only. |
| 2-Hydroxy-1,4-naphthoquinone ≥98% |
| Sigma-Aldrich |
| For experimental / research use only. |
| 2-Hydroxy-1,4-naphthoquinone 97% |
| TCI AMERICA |
| For experimental / research use only. |
| 2-Hydroxy-1,4-naphthoquinone >98.0%(T) |
Safety Information:
| Preferred SDS: View | |
| 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 | |
| Pictogram | |
| Hazard statement(s) | |
| None found. | |
| Precautionary statement(s) | |
| None found. | |
| Oral/Parenteral Toxicity: | |
|
intraperitoneal-mouse LD50 100 mg/kg Journal of Medicinal Chemistry. Vol. 26, Pg. 570, 1983. | |
| Dermal Toxicity: | |
| Not determined | |
| Inhalation Toxicity: | |
| Not determined | |
Safety in Use Information:
| Category: | hair dyeing agents | ||
| Recommendation for lawsone usage levels up to: | |||
| not for fragrance use. | |||
| Recommendation for lawsone flavor usage levels up to: | |||
| not for flavor use. | |||
Safety References:
| EPI System: | View |
| ClinicalTrials.gov: | search |
| Chemical Carcinogenesis Research Information System: | Search |
| Cancer Citations: | Search |
| Toxicology Citations: | Search |
| EPA Substance Registry Services (TSCA): | 83-72-7 |
| EPA ACToR: | Toxicology Data |
| EPA Substance Registry Services (SRS): | Registry |
| Laboratory Chemical Safety Summary : | 6755 |
| National Institute of Allergy and Infectious Diseases: | Data |
| WGK Germany: | 3 |
| 4-hydroxynaphthalene-1,2-dione | |
| Chemidplus: | 0000083727 |
| EPA/NOAA CAMEO: | hazardous materials |
| RTECS: | QL8200000 for cas# 83-72-7 |
References:
| 4-hydroxynaphthalene-1,2-dione | |
| NIST Chemistry WebBook: | Search Inchi |
| Pubchem (cid): | 6755 |
| Pubchem (sid): | 134971696 |
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 |
| CHEBI: | View |
| CHEMBL: | View |
| KEGG (GenomeNet): | C10368 |
| HMDB (The Human Metabolome Database): | Search |
| Export Tariff Code: | 2914.50.3000 |
| VCF-Online: | VCF Volatile Compounds in Food |
| ChemSpider: | View |
| Wikipedia: | View |
Potential Blenders and core components note
| None Found | ||
Potential Uses:
| hair dyeing agents |
Occurrence (nature, food, other): note
| henna Search Trop Picture |
Synonyms:
| c.i. 75480 | |
| C.I. natural orange 6 | |
| 2- | hydroxy-1,4-naphthalenedione |
| 2- | hydroxy-1,4-naphthoquinone |
| 2- | hydroxy-1,4-naphthoquinone |
| 2- | hydroxynaphthalene-1,2-dione |
| 2- | hydroxynaphthoquinone |
| lawson | |
| mehendi | |
| 1,4- | naphthalenedione, 2-hydroxy- |
| 1,4- | naphthoquinone, 2-hydroxy- |
| natural orange 6 (c.i. 75480) |