Product Name: |
5-hydroksyoktansyrelakton |
Synonymer: |
delta-Propylvalerolactone;Octanoic acid, 5-hydroxy-, delta-lactone;octanolactone;tetrahydro-6-propyl-2h-pyran-2-on;5-octanolide;5-propyl-5-hydroxypentanoic acid lactone;5-hydroxyoctanoic acid lactone;FEMA 3214 |
CAS: |
698-76-0 |
MF: |
C8H14O2 |
MW: |
142.2 |
EINECS: |
211-820-5 |
Product Categories: |
|
Mol-fil: |
698-76-0.mol |
|
Melting point |
-14°C |
Boiling point |
238°C |
density |
1002 g / cm3 |
FEMA |
3214 | DELTA-OCTALACTONE |
refractive index |
1.4550 |
Fp |
125 ° C |
form |
neat |
Specific Gravity |
1.00 |
Vannløselighet |
Ikke blandbar, vanskelig å blande i vann. |
JECFA-nummer |
228 |
BRN |
111515 |
CAS DataBase Reference |
698-76-0(CAS DataBase Reference) |
NIST Chemistry Reference |
2H-pyran-2-on, tetrahydro-6-propyl- (698-76-0) |
EPA Substance Registry System |
2H-Pyran-2-on, tetrahydro-6-propyl- (698-76-0) |
Risk Statements |
36/37/38-36/38 |
Safety Statements |
26-36-37 |
WGK Germany |
2 |
RTECS |
UQ1355500 |
TSCA |
Yes |
HS Code |
29322090 |
Toxicity |
LD50 orl-rat: >5 g/kg FCTOD7 20,783,80 |
Beskrivelse |
Kan syntetiseres fra 5-hydroksyoktansyre ved reduksjon med NaBH4 i vann; ved mikrobiologisk reduksjon av den tilsvarende ketosyren; fra 5-hydroksyoktanoisk metylamid ved alkalisk forsæbning, ved bruk av Ba (OH) 2. |
Chemical Properties |
Δ-Octalactone has a sweet, fatty, coconut, tropical, dairy odor. |
Hendelse |
Reported found as a volatile flavor component in coconut oil, butterfat, milk fat, the essence of the Blenheim variety of apricot, and pineapple, yellow passion fruit, cranberry, currant buds, papaya, peach, raspberry, strawberry, bilberry, plum, tomato, many cheeses, chicken fat, cooked beef, pork and mutton, rum, sherry, white wine, tea, coconut products, passion fruit, mango, prickly pear, loquat, mountain papaya, nectarine, cape gooseberry and rooibus tea (Aspalathus linearis). |
Forberedelse |
From 5-hydroxyoctanoic acid by reduction with NaBH4 in water; by microbiological reduction of the corresponding keto acid; from 5-hydroxyoctanoic methyl amide by alkaline saponification, using Ba(OH)2. |
Taste threshold values |
Smakskarakteristikker ved 10 ppm: kokosnøtt, søt, kremaktig, laktonisk og fruktig med en melaktig og fet dybde. |
Safety Profile |
Lav toksisitet ved svelging og hudkontakt. Hudirriterende. Ved oppvarming til nedbrytning kan den skarpe røyk og irriterende damper. |
Råvarer |
2-hydroksykaprylsyre |