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A4690412

trans, trans-2,4-Heptandienal , 90% , 4313-03-5

Synonym(s):
2,4-Heptadienal

CAS NO.:4313-03-5

Empirical Formula: C7H10O

Molecular Weight: 110.15

MDL number: MFCD00007005

EINECS: 224-328-0

Pack Size Price Stock Quantity
1G RMB42.40 In Stock
5G RMB77.60 In Stock
25G RMB342.40 In Stock
100g RMB1238.40 In Stock
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Update time: 2022-07-08

PRODUCT Properties

Melting point: 84.5 °C
Boiling point: 84-84.5 °C(lit.)
Density  0.881 g/mL at 25 °C(lit.)
FEMA  3164 | (2E,4E)-HEPTADIENAL
refractive index  n20/D 1.534(lit.)
Flash point: 150 °F
storage temp.  2-8°C
solubility  Acetonitrile (Slightly), Chloroform (Slightly), Ethyl Acetate (Slightly)
form  clear liquid
color  Light yellow to Brown
Odor at 1.00 % in dipropylene glycol. fatty green oily aldehydic vegetable cake cinnamon
Odor Type fatty
Water Solubility  INSOLUBLE
JECFA Number 1179
BRN  1699244
Stability: Light Sensitive
LogP 1.59

Description and Uses

2,4-Heptadienal retards or prevents the development of "off-flavors" in auto-oxidizing fats and oils. May be prepared by reduction with LiAlH4 of the dienoic acid prepared by the Doebner synthesis, followed by oxidation with Mn02 of the resulting dienol to the corresponding dienol; by the method of Marshall and Whiting.

trans,trans-2,4-Heptanedienal is an unsaturated aldehyde that has a fishy odour. trans,trans-2,4-Heptanedienal is a volatile component naturally found in drinking water and fish oils.

Safety

Symbol(GHS) 
GHS06
Signal word  Danger
Hazard statements  H302-H311-H315
Precautionary statements  P280-P301+P312+P330-P302+P352+P312
Hazard Codes  T,Xi
Risk Statements  22-24-38
Safety Statements  36/37-45
RIDADR  UN 2810 6.1/PG 3
WGK Germany  3
10-23
Hazard Note  Irritant
HazardClass  6.1
PackingGroup  III
HS Code  29121900

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