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Substance Name: C.I. 73335
RN: 3263-31-8
UNII: 102OGV839M

Molecular Formula

  • C20-H16-O4-S2

Molecular Weight

  • 384.4744
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Names and Synonyms

Results Name

  • C.I. 73335

Name of Substance

  • Vat Orange 5


  • 6,6'-Diethoxythioindigo
  • Ahcovat Printing Orange R
  • Algol Orange RF
  • Amanthrene Orange R
  • C.I. 73335
  • C.I. Vat Orange 5
  • Calcaloid Printing Orange RYW
  • Calcoloid Printing Orange RE
  • Calcoloid Printing Orange RYW
  • Ciba Orange R
  • Ciba Orange RDL
  • Ciba Orange RP
  • Durindone Orange R
  • Durindone Orange RP
  • Durindone Printing Orange R
  • EINECS 221-869-4
  • Heliane Orange RF
  • Helindon Orange R
  • Hostavat Orange R
  • Mikethrene Orange R
  • Nihonthrene Fast Orange R
  • NSC 47718
  • Oranz kypova 5
  • Oranz kypova 5 [Czech]
  • Palanthrene Orange R
  • Sandothrene Orange R
  • Solindene Orange R
  • Solindene Orange RF
  • Sulfanthrene Orange R
  • Sulfanthrene Orange RS
  • Thioindigo Orange KKh
  • Tina Orange R
  • Tyrian Orange A-RF
  • UNII-102OGV839M
  • Vat Orange R
  • Vat Orange RF
  • Vat Printing Orange R

Systematic Names

  • (delta(sup 2,2'(3H,3'H))-Bibenzo(b)thiophene)-3,3'-dione, 6,6'-diethoxy-
  • (delta2,2'(3H,3'H)-Bibenzo(b)thiophene)-3,3'-dione, 6,6'-diethoxy- (8CI)
  • 6-Ethoxy-2-(6-ethoxy-3-oxobenzo(b)thien-2(3H)-ylidene)benzo(b)thiophene-3(2H)-one
  • Benzo(b)thiophen-3(2H)-one, 6-ethoxy-2-(6-ethoxy-3-oxobenzo(b)thien-2(3H)-ylidene)-

Registry Numbers

CAS Registry Number

  • 3263-31-8


  • 102OGV839M

System Generated Number

  • 0003263318

Structure Descriptors








Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 1gm/kg (1000mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 50(8), Pg. 91, 1985.
rat LD50 intraperitoneal 2050mg/kg (2050mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 50(8), Pg. 91, 1985.
rat LDLo oral 1500mg/kg (1500mg/kg)   "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 1337, 1986.

Physical Properties

Physical Property Value Units Temp (deg C) Source
log P (octanol-water) 4.680 (none)   EST
Water Solubility 0.388 mg/L 25 EST
Henry's Law Constant 2.81E-15 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 2.26E-10 cm3/molecule-sec 25 EST

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