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Substance Name: Lawsone
RN: 83-72-7
UNII: TLH4A6LV1W
InChIKey: CSFWPUWCSPOLJW-UHFFFAOYSA-N

Note

  • A molluscacide from leaves of Lawsonia inermis L. topical sunscreening agent; powdered leaves of Lawsonia inermis(Lythraceae) used as brown hair dye.

Molecular Formula

  • C10-H6-O3

Molecular Weight

  • 174.1544
 

Classification Codes

  • Anti-Infective Agents
  • Antifungal Agents
  • Coloring Agents
  • Cosmetics
  • Dermatologic Agents
  • Drug / Therapeutic Agent
  • Enzyme Inhibitors
  • Mutation Data
  • Protective Agents
  • Radiation-Protective Agents
  • Sunscreening Agents
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Names and Synonyms

Results Name

  • Lawsone

Name of Substance

  • 1,4-Naphthalenedione, 2-hydroxy-
  • 2-Hydroxy-1,4-naphthalenedione
  • 2-Hydroxy-1,4-napthoquinone
  • Henna
  • Henna leaves
  • Lawsone
  • Lawsonia alba

Synonyms

  • 2-Hydroxy-1,4-naphthalenedione
  • 2-Hydroxy-1,4-naphthoquinone
  • 2-Hydroxynaphthoquinone
  • 4-08-00-02360 (Beilstein Handbook Reference)
  • AI3-12099
  • BRN 1565260
  • C.I. 75480
  • C.I. Natural Orange 6
  • CCRIS 6248
  • EINECS 201-496-3
  • Flower of paradise
  • HANA
  • Henna
  • Lawson
  • Lawsone
  • Mehendi
  • Mendi
  • NSC 27285
  • NSC 8625
  • UNII-TLH4A6LV1W

Systematic Names

  • 1,4-Naphthalenedione, 2-hydroxy-
  • 1,4-Naphthoquinone, 2-hydroxy-
  • 2-Hydroxy-1,4-naphthoquinone

Registry Numbers

CAS Registry Number

  • 83-72-7

FDA UNII

  • TLH4A6LV1W

Other Registry Number

  • 1985594-94-2

Related Registry Number

  • 68310-00-9 (hydrochloride salt)

System Generated Number

  • 0000083727

Structure Descriptors

InChI

InChI=1S/C10H6O3/c11-8-5-9(12)10(13)7-4-2-1-3-6(7)8/h1-5,12H

InChIKey

CSFWPUWCSPOLJW-UHFFFAOYSA-N

Smiles

OC1=CC(=O)c2ccccc2C1=O

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 100mg/kg (100mg/kg)   Journal of Medicinal Chemistry. Vol. 26, Pg. 570, 1983.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 195.5 dec deg C   EXP
log P (octanol-water) 1.38 (none)   EXP
Water Solubility 3900 mg/L 25 EST
Vapor Pressure 3.63E-07 mm Hg 25 EST
Henry's Law Constant 2.44E-09 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 1.15E-11 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.