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7-Methyl-3-methylenocta-1,6-dien

Myrcene Struktur
123-35-3
CAS-Nr.
123-35-3
Bezeichnung:
7-Methyl-3-methylenocta-1,6-dien
Englisch Name:
Myrcene
Synonyma:
β-myrcene;BETA-MYRCENE;OIL;b-Myrcene;7-METHYL-3-METHYLENE-1,6-OCTADIENE;7-methyl-3-methyleneocta-1,6-diene;Geraniolene;Myrcene CAS;MYRCENE;7-methyl-
CBNumber:
CB0135735
Summenformel:
C10H16
Molgewicht:
136.23
MOL-Datei:
123-35-3.mol

7-Methyl-3-methylenocta-1,6-dien Eigenschaften

Schmelzpunkt:
<-10 °C
Siedepunkt:
167 °C (lit.)
Dichte
0.791 g/mL at 25 °C (lit.)
Dampfdichte
4.7 (vs air)
Dampfdruck
~7 mm Hg ( 20 °C)
Brechungsindex
n20/D 1.469(lit.)
FEMA 
2762 | MYRCENE
Flammpunkt:
103 °F
storage temp. 
2-8°C
L?slichkeit
water: soluble0.00109g/L at 20°C
Aggregatzustand
Viscous Liquid
Farbe
Clear light yellow
PH
7 (H2O, 20℃)(saturated aqueous solution)
Geruch (Odor)
at 5.00 % in dipropylene glycol. peppery terpene spicy balsam plastic
Geruchsart
spicy
Wasserl?slichkeit
practically insoluble
Merck 
14,6331
JECFA Number
1327
BRN 
1719990
Dielectric constant
2.0(Ambient)
Stabilit?t:
Unstable - may be inhibited by the addition of ca. 400 ppm tenox GT-1 or 1000 ppm BHT. Flammable. Incompatible with strong oxidizing agents, radical initiators.
LogP
4.82 at 30℃
CAS Datenbank
123-35-3(CAS DataBase Reference)
IARC
2B (Vol. 119) 2019
NIST chemische Informationen
Beta-myrcene(123-35-3)
EPA chemische Informationen
Myrcene (123-35-3)
Sicherheit
  • Risiko- und Sicherheitserkl?rung
  • Gefahreninformationscode (GHS)
Kennzeichnung gef?hrlicher Xi,Xn
R-S?tze: 10-36/37/38-R36/37/38-R10-65-38
S-S?tze: 16-26-36-37/39-S37/39-S26-S16-62
RIDADR  UN 2319 3/PG 3
WGK Germany  2
RTECS-Nr. RG5365000
10-23
HazardClass  3.2
PackingGroup  III
HS Code  29012990
Giftige Stoffe Daten 123-35-3(Hazardous Substances Data)
Toxizit?t Both the acute oral LD50 value in rats and the acute dermal LD50 value in rabbits exceeded 5 g/kg (Moreno, 1972).
Bildanzeige (GHS) GHS hazard pictogramsGHS hazard pictogramsGHS hazard pictograms
Alarmwort Warnung
Gefahrenhinweise
Code Gefahrenhinweise Gefahrenklasse Abteilung Alarmwort Symbol P-Code
H226 Flüssigkeit und Dampf entzündbar. Entzündbare Flüssigkeiten Kategorie 3 Warnung
H315 Verursacht Hautreizungen. Hautreizung Kategorie 2 Warnung GHS hazard pictogramssrc="/GHS07.jpg" width="20" height="20" /> P264, P280, P302+P352, P321,P332+P313, P362
H319 Verursacht schwere Augenreizung. Schwere Augenreizung Kategorie 2 Warnung GHS hazard pictogramssrc="/GHS07.jpg" width="20" height="20" /> P264, P280, P305+P351+P338,P337+P313P
H410 Sehr giftig für Wasserorganismen mit langfristiger Wirkung. Langfristig (chronisch) gew?ssergef?hrdend Kategorie 1 Warnung GHS hazard pictogramssrc="/GHS09.jpg" width="20" height="20" /> P273, P391, P501
Sicherheit
P210 Von Hitze, hei?en Oberfl?chen, Funken, offenen Flammen und anderen Zündquellenarten fernhalten. Nicht rauchen.
P233 Beh?lter dicht verschlossen halten.
P240 Beh?lter und zu befüllende Anlage erden.
P273 Freisetzung in die Umwelt vermeiden.
P303+P361+P353 BEI BERüHRUNG MIT DER HAUT (oder dem Haar): Alle kontaminierten Kleidungsstücke sofort ausziehen. Haut mit Wasser abwaschen oder duschen.
P305+P351+P338 BEI KONTAKT MIT DEN AUGEN: Einige Minuten lang behutsam mit Wasser spülen. Eventuell vorhandene Kontaktlinsen nach M?glichkeit entfernen. Weiter spülen.

7-Methyl-3-methylenocta-1,6-dien Chemische Eigenschaften,Einsatz,Produktion Methoden

R-S?tze Betriebsanweisung:

R10:Entzündlich.
R36/37/38:Reizt die Augen, die Atmungsorgane und die Haut.

S-S?tze Betriebsanweisung:

S16:Von Zündquellen fernhalten - Nicht rauchen.
S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.
S36:DE: Bei der Arbeit geeignete Schutzkleidung tragen.
S37/39:Bei der Arbeit geeignete Schutzhandschuhe und Schutzbrille/Gesichtsschutz tragen.

Beschreibung

Myrcene has a pleasant odor. Prepared from linalool.

Chemische Eigenschaften

Myrcene has a pleasant, sweet, balsamic, plastic odor.

Occurrence

Reported found in Mircia acris D.C.; in the distillates from leaves of Rhus cotinus and Barosma venustum (52 and 43%, respectively); in lemongrass, cypress, artemisia; in the fruits of Phellodendron amurense (92%) and Phellodendron japonicum; in the oils of Picea balsamea, Tsuga canadenis, Abies balsamea, clary sage and others. Also reported in over 200 foods and beverages including citrus peel oils and juices, apricot, sweet and sour cherry, berries, guava, pineapple, carrot, celery, potato, bell pepper, black currants, anise, anise seed, cardamom, cinnamon, cassia, clove, capsicum varities, ginger, mentha oils, mace, parsley, thyme, cheeses, cream, pork, hop oil, beer, white wine, rum, cocoa, coffee, tea, mango, tamarind, coriander, gin, sweet bay, prickly pear, calamus, dill, lovage, caraway, buckwheat, corn, basil, fennel, kiwifruit, rosemary, myrtle berry, turmeric, lemon balm, sage, pimento, angelica oil, Roman and German chamomile oil, eucalyptus and mastic gum oil

Verwenden

Myrcene is the suitable synthetic standard used in the identification of E-myrcenol (2-methyl-6-methylene-E-2,7-octadien-1-01) as a major hindgut constituent in Eurasian bark beetle Ips duplicatus by GC-MS.

synthetische

From linalool

Definition

ChEBI: A monoterpene that is octa-1,6-diene bearing methylene and methyl substituents at positions 3 and 7 respectively.

Allgemeine Beschreibung

A yellow oily liquid with a pleasant odor. Flash point below 200°F. Insoluble in water and less dense than water.

Air & Water Reaktionen

Insoluble in water.

Reaktivit?t anzeigen

The unsaturated aliphatic hydrocarbons, such as MYRCENE, are generally much more reactive than the alkanes. Strong oxidizers may react vigorously with them. Reducing agents can react exothermically to release gaseous hydrogen. In the presence of various catalysts (such as acids) or initiators, compounds in this class can undergo very exothermic addition polymerization reactions. Many of these compounds undergo autoxidation upon exposure to the air to form explosive peroxides. Violent explosions have occurred at low temperatures in ammonia synthesis gas units. These explosions have been traced to the addition products of dienes and oxides of nitrogen, produced from the interaction of nitrogen oxide and oxygen [Bretherick, 1995].

Health Hazard

May be harmful by inhalation, ingestion or skin absorption.

Brandgefahr

Special Hazards of Combustion Products: Vapor may travel considerable distance to a source of ignition and flashback.

Sicherheitsprofil

Low toxicity by ingestion and skin contact. Experimental reproductive effects. A moderate skin and eye irritant. A flammable liquid. When heated to decomposition it emits acrid smoke and irritating fumes.

Synthese

Myrcene occurs naturally in many organisms, but its extraction is uneconomic; it is produced industrially by pyrolysis of b-pinene. The fragmentation of linalool and linalyl acetate and the catalytic dimerization of isoprene have been described as laboratory synthesis methods of myrcene.

7-Methyl-3-methylenocta-1,6-dien Upstream-Materialien And Downstream Produkte

Upstream-Materialien

Downstream Produkte


7-Methyl-3-methylenocta-1,6-dien Anbieter Lieferant Produzent Hersteller Vertrieb H?ndler.

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123-35-3(7-Methyl-3-methylenocta-1,6-dien)Verwandte Suche:


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  • FEMA 2762
  • 7-METHYL-3-METHYLEN-1,6-OCTADIENE
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  • 2-Methyl-6-methylene-2,7-octadiene
  • 3-Methylene-7-methyl-1,6-octadiene
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  • 7-Methyl-3-methylene-octadiene
  • 7-Methyl-3-methyleneoctadiene-(1,6)
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