CIS-STILBENE

CIS-STILBENE
  • CAS No.:645-49-8

Important Notice

  1. This product is a chemical product/pharmaceutical intermediate. It is not a drug, an active pharmaceutical ingredient (API), or a pharmaceutical-grade material. It has not been granted a drug approval number or a Chemical Drug Substance Approval Notice, has not passed drug-related review and approval, and is not manufactured, tested, or released in accordance with pharmaceutical GMP.
  2. This product is intended solely for non-clinical research, process development, quality studies, further chemical processing, or chemical synthesis. It must not be used in drug-product manufacturing, clinical trials, clinical diagnosis, or administration to humans or animals, or be sold, used as an input, submitted for regulatory filing, or released as an API or pharmaceutical material.
  3. The purchaser must not use this product, or supply it to another party, for personal consumption, sports or fitness, weight loss, health supplements, food, or animal feed.
Other grades of this product :
CIS-STILBENE Basic information
Product Name:CIS-STILBENE
Synonyms:(1,2-Ethenediyl)-1,1-bisbenzene, (Z)-;(Z)-1,2-Diphenylethene;(Z)-1,2-Diphenylethylene;[(Z)-2-Phenylethenyl]benzene;1,1’-(1,2-ethenediyl)bis-,(Z)-Benzene;1,2-Diphenylethene, (Z)-;1,cis-2-Diphenylethene;1,cis-2-Diphenylethylene
CAS:645-49-8
MF:C14H12
MW:180.25
EINECS:211-445-7
Product Categories:Acyclic;Alkenes;Bioactive Small Molecules;Building Blocks;Cell Biology;Chemical Synthesis;Stilbenes (substituted);Stilbenes;Organic Building Blocks;S;1
Mol File:645-49-8.mol
CIS-STILBENE Chemical Properties
Melting point -5°C
Boiling point 82-84 °C0.4 mm Hg(lit.)
density 1.011 g/mL at 25 °C(lit.)
refractive index n20/D 1.622(lit.)
Fp >230 °F
storage temp. 2-8°C
form clear liquid
color Colorless to Yellow to Green
Water Solubility Immiscible with water. Miscible with ethanol.
Merck 14,8817
BRN 1616739
Stability:Stable. Combustible. Incompatible with strong oxidizing agents.
CAS DataBase Reference645-49-8(CAS DataBase Reference)
EPA Substance Registry Systemcis-Stilbene (645-49-8)
Safety Information
Hazard Codes Xi
Risk Statements 36/38
Safety Statements 26-36
WGK Germany 3
RTECS DA0513600
HS Code 29029090
Hazardous Substances Data645-49-8(Hazardous Substances Data)
MSDS Information
ProviderLanguage
SigmaAldrich English
ALFA English
CIS-STILBENE Usage And Synthesis
Chemical Propertiespale yellow liquid
Usescis-Stilbene: stilbene and its natural derivatives such as resveratrol and vitisins inhibits Staphylococcus aureus hemolytic activity and biofilm formation without affecting its bacterial growth
General DescriptionOily yellow liquid. Freezing point 5°C. Insoluble in water. Soluble in ethanol. Unstable relative to the trans isomer, which is a solid with a melting point of 122-124°C.
Air & Water ReactionsSensitive to prolonged exposure to air and light [Lancaster]. Insoluble in water.
Reactivity ProfileCIS-STILBENE may react vigorously with strong oxidizing agents. May react exothermically with reducing agents to release gaseous hydrogen.
Fire HazardFlash point data for CIS-STILBENE are not available, however CIS-STILBENE is probably combustible.
Purification MethodsPurify it by chromatography on alumina using hexane and distil it under vacuum. (The final product contains ca 0.1% of the trans-isomer.) [Lewis et al. J Am Chem Soc 107 203 1985, Saltiel J Phys Chem 91 2755 1987, Beilstein 5 H 630.]

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