成人免费xx,国产又黄又湿又刺激不卡网站,成人性视频app菠萝网站,色天天天天

ChemicalBook > Product Catalog >Biochemical Engineering >Chinese Herbs >7-Hydroxycoumarin

7-Hydroxycoumarin

7-Hydroxycoumarin Suppliers list
Company Name: R&D Scientific Inc.
Tel: +1-2266000236
Email: sales@rdscientific.com
Products Intro: Product Name:7-Hydroxycoumarin
CAS:93-35-6
Purity:99 Package:5KG;1KG
Company Name: Hebei Weibang Biotechnology Co., Ltd
Tel: +8615531157085
Email: abby@weibangbio.com
Products Intro: Product Name:7-Hydroxycoumarin
CAS:93-35-6
Purity:99% Package:1KG;10.00;USD
Company Name: Hebei Yanxi Chemical Co., Ltd.
Tel: +8617531190177
Email: peter@yan-xi.com
Products Intro: Product Name:7-Hydroxycoumarin
CAS:93-35-6
Purity:0.99 Package:1kg;20USD|25kg;16USD|100kg;7USD Remarks:Factory direct sales
Company Name: Hebei Chuanghai Biotechnology Co,.LTD
Tel: +86-13131129325
Email: sales1@chuanghaibio.com
Products Intro: Product Name:7-Hydroxycoumarin
CAS:93-35-6
Purity:99% Package:1KG;5.00;USD|10KG;3.00;USD|50KG;2.00;USD
Company Name: Hebei Weibang Biotechnology Co., Ltd
Tel: +8617732866630
Email: bess@weibangbio.com
Products Intro: Product Name:7-Hydroxycoumarin
CAS:93-35-6
Purity:99% Package:25KG;0.00;USD

7-Hydroxycoumarin manufacturers

  • 7-Hydroxycoumarin
  • 7-Hydroxycoumarin pictures
  • $79.00/ kg
  • 2024-12-20
  • CAS:93-35-6
  • Min. Order: 1kg
  • Purity: 99%
  • Supply Ability: 20ton
  • 7-Hydroxycoumarin
  • 7-Hydroxycoumarin pictures
  • $10.00 / 1kg
  • 2024-12-17
  • CAS:93-35-6
  • Min. Order: 1kg
  • Purity: 99%
  • Supply Ability: 2000kg
  • 7-Hydroxycoumarin
  • 7-Hydroxycoumarin pictures
  • $10.00 / 1KG
  • 2024-11-29
  • CAS:93-35-6
  • Min. Order: 100KG
  • Purity: 99%
  • Supply Ability: 100 mt
7-Hydroxycoumarin Chemical Properties
Melting point 230 °C (dec.)(lit.)
Boiling point 248.82°C (rough estimate)
density 1.2599 (rough estimate)
refractive index 1.5380 (estimate)
storage temp. 2-8°C
solubility dioxane: soluble
pka7.11(at 25℃)
form Powder and Agglomerate
color Off-white to beige-brownish
PH RangeNon/ uorescence (6.5) to blue / uorescence (8.0)
Odordevelops odor of coumarin on heating
Water Solubility 1 g/100 mL (100 ºC)
λmax320nm
Merck 14,9847
BRN 127683
Major ApplicationFluorescent brighteners, fungicides, cosmetics, antitrypanosomal, antileishmanial activities, antifungal, antibacterial, antiinflammatory, antiHIV, detection of microorganisms, treatment of impaired neurotransmission disorders, Alzheimer’s disease, vascular and lymphatic edema cancer, early diagnosis of stroke, dental material, drug-coated coronary stent system
InChIKeyORHBXUUXSCNDEV-UHFFFAOYSA-N
LogP1.580 (est)
CAS DataBase Reference93-35-6(CAS DataBase Reference)
NIST Chemistry Reference7-Hydroxycoumarin(93-35-6)
EPA Substance Registry SystemUmbelliferone (93-35-6)
Safety Information
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-36
WGK Germany 3
RTECS GN6820000
HS Code 29322980
ToxicityLD50 intravenous in mouse: 450mg/kg
MSDS Information
ProviderLanguage
7-Hydroxycoumarin English
SigmaAldrich English
ACROS English
ALFA English
7-Hydroxycoumarin Usage And Synthesis
Chemical PropertiesLight Brownish Powder
Usesantifungal, phytoalexin
UsesA metabolite of Coumarin. The aglucon of skimmin. Present in many plants
Uses7-Hydroxycoumarin is used as an intracellular pH sensitive fluorescent indicator & bloodbrain barrier probe. It is used as a sunscreen agent, and an optical brightener for textiles. It has also been used as a gain medium for dye lasers.
UsesIn sunscreen lotions and creams; as intracellular and pH sensitive fluorescent indicator and blood-brain barrier probe.
DefinitionChEBI: A hydroxycoumarin that is coumarin substituted by a hydroxy group ay position 7.
General DescriptionUmbelliferone is a naturally occurring coumarin, present in a variety of medicinal plants from the Apiaceae (Umbelliferae) family and also in plants from other families such as mouse-ear hawkweed.
Purification MethodsIt crystallises from water (m 232-232.2o) or EtOH (m 232o). It sublimes at 160o/0.001mm. Fluorescence: Em max 452nm/Exc 325nm in 50% EtOH. [Beilstein 18 H 27, 18 I 306, 18 II 16, 18 III/IV 294, 18/1 V 386.]
Tag:7-Hydroxycoumarin(93-35-6) Related Product Information
Coumarin Tetrahydro-4H-pyran-4-one Methylparaben 4-Hydroxybenzoic acid 4-Hydroxybenzaldehyde 2,2',4,4'-Tetrahydroxybenzophenone 4'-Hydroxyacetophenone 3,4-Dihydroxyacetophenone 4-Methoxyphenol CHLOROPHOSPHONAZO III Dihydrocoumarin Esculetin 6-Hydroxycoumarin DICUMAROL 4-HYDROXY MEPHENYTOIN 4-Methylumbelliferone 4-HYDROXYCOUMARIN, FOR FLUORESCENCE,4-Hydroxycoumarin99%,HydroxyCoumarin,4-HYDROXYCOUMARIN (98.0%),HYDROXYCOUMARIN, 4-(RG) 3-(α-acetonyl-2-furylmethyl)-4-hydroxycoumarin