Magnesium, [3,7,11,15-Tetramethyl-2-hexadecenyl-9-ethenyl-14-ethyl-13-formyl-21-(methoxycarbonyl)-4,8,18-trimethyl-20-oxo-3-phorbinpropanoato(2-)-N23,N24,N25,N26]-, [SP-4-2-[3S-[3α(2E,7S,11S),4β,21β]]]-

Bezeichnung:Magnesium, [3,7,11,15-Tetramethyl-2-hexadecenyl-9-ethenyl-14-ethyl-13-formyl-21-(methoxycarbonyl)-4,8,18-trimethyl-20-oxo-3-phorbinpropanoato(2-)-N23,N24,N25,N26]-, [SP-4-2-[3S-[3α(2E,7S*,11S*),4β,21β]]]-

CAS-Nr519-62-0

Englisch Name:Chlorophyll b

CBNumberCB3473256

SummenformelC55H70MgN4O6

Molgewicht907.49

MOL-Datei519-62-0.mol

Synonyma

Magnesium, [3,7,11,15-Tetramethyl-2-hexadecenyl-9-ethenyl-14-ethyl-13-formyl-21-(methoxycarbonyl)-4,8,18-trimethyl-20-oxo-3-phorbinpropanoato(2-)-N23,N24,N25,N26]-, [SP-4-2-[3S-[3α(2E,7S*,11S*),4β,21β]]]-

Schmelzpunkt	183-185 °C(lit.)
alpha	D20 -267° (acetone-methanol)
storage temp.	-20°C
Aggregatzustand	Solid
Farbe	Dark Green to Very Dark Green Semi-Solid
Merck	13,2174
BRN	4122778
Stabilität	Light Sensitive
InChIKey	NSMUHPMZFPKNMZ-VBYMZDBQSA-M
EPA chemische Informationen	Chlorophyll b (519-62-0)

Sicherheit

S-Sätze:	22-24/25
WGK Germany	3
F	8-10-23
HS Code	29339900

Chlorophyll b Chemische Eigenschaften,Einsatz,Produktion Methoden

S-Sätze Betriebsanweisung:
S22:Staub nicht einatmen.
S24/25:Berührung mit den Augen und der Haut vermeiden.
Chemische Eigenschaften
Chlorophyll b is Light, silvery, metallic element.
Verwenden
Chlorophyll b is a photosynthetic pigment used in the absorption of light energy. Chlorophyl b is involved in photosynthesis and absorbs primarily blue light.
Verwenden
Extends the absorption spectrum of light-harvesting complexes LHC-I and LHC-II above 700 nm
Verwenden
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Definition
Chlorophyll b is a species that is generally characteristic of higher plants and is an accessory chlorophyll that occurs in green algae. Its salts are essential in nutrition, being required for the activity of many enzymes, especially those concerned with oxidative phosphorylation. It is a component of both intra- and extracellular fluids and is excreted in the urine and feces.
Allgemeine Beschreibung
Chlorophyll b is one of the chlorophyll pigments that impart leaves their green color. Chlorophyll is a Greek name with?chlorós?meaning green and?phyllon?meaning leaf. It is present in peripheral antenna complexes along with chlorophyll a. The amount of chlorophyll b in spinach is found to be lesser than chlorophyll a.
Biochem/physiol Actions
Chlorophyll b undergoes breakdown to form pheophytin b by the enzyme chlorophyllase. This causes a change in its color from green to olive-brown. It is involved in the harvesting of light energy during the process of photosynthesis and its subsequent conversion to chemical energy. Along with chlorophyll a, it plays a key role in the ability of a plant to adapt to different light intensities.
läuterung methode
It forms red-black hexagonal bipyramids or four-sided plates from dilute EtOH and has been recrystallised from CHCl3/MeOH. It is soluble in MeOH, EtOH, EtOAc and insoluble in pet ether. [Dougherty et al. J Am Chem Soc 88 5037 1966, Beilstein 26 III/IV 3787.]

Chlorophyll b Upstream-Materialien And Downstream Produkte