5-ethyl-2-thiophene carboxaldehyde
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IUPAC name :5-ethylthiophene-2-carbaldehyde
InChI :InChI=1/C7H8OS/c1-2-6-3-4-7(5-8)9-6/h3-5H,2H2,1H3
InChIKey :CLQXZICUPGZTPE-UHFFFAOYAS
SMILES :CCC1=CC=C(S1)C=O
cas number :36880-33-8
(EINECS) number :253-252-0
fl. number :15.074
molar refractivity :40.93 ± 0.3 cm3
parachor :312.0 ± 4.0 cm3
index of refraction :1.577 ± 0.02
surface tension :40.9 ± 3.0 dyne/cm
density :1.136 ± 0.06 g/cm3
polarizability :16.22 ± 0.5 10-24cm3
XlogP : 0.80
molecular weight : 140.2028200 (IUPAC)
formula :C7 H8 O S
NMR Predictor :Predict
 
 
export tariff code :unspecified
fda reg :unspecified

Suppliers :
Givaudan :5-Ethyl-2-thiophenecarboxaldehyde
≥99%, NI, Kosher
Odor:  Almond

organoleptics :
odor strength :high ,
recommend smelling in a 0.10 % solution or less
odor description :
at 0.10 % in propylene glycol.  
like benzaldehyde

properties :
appearence :pale yellow to brown solid
assay : 95.00 to 100.00 %   
Food Chemicals Codex Listed :No
melting point : 62.00 °C. @ 760.00 mm Hg
boiling point : 225.00 to 227.00 °C. @ 760.00 mm Hg
boiling point : 65.00 °C. @ 2.00 mm Hg
vapor density :4.8 ( Air = 1 )
flash point : 193.00  °F.  TCC  ( 89.44 °C. )
logP (o/w) : 2.01

safety :
Oral Toxicity(LD50) :
  Not determined
Dermal Toxicity(LD50) :
  Not determined
Inhalation Toxicity(LC50) :
  Not determined
 

safety in use :
Maximised Survey-derived Daily Intakes (MSDI-EU) :0.0012 (μg/capita/day)
modified Theoretical Added Maximum Daily Intake (mTAMDI) :78 (μg/person/day)
Threshold of concern :540 (μg/person/day)
Structure Class :II
 
recommendation for 5-ethyl-2-thiophene carboxaldehyde usage levels up to :
 not for fragrance use.
recommendation for 5-ethyl-2-thiophene carboxaldehyde usage levels up to :
  20.0000 ppm in the flavor.
 
 
Food categories according to Commission Regulation EC No. 1565/2000 (EC, 2000) in FGE.06 (EFFA, 2002a). According to the Industry the "normal" use is defined as the average of reported usages and "maximum use" is defined as the 95th percentile of reported usages (EFFA, 2002i).
Note : mg/kg = 0.001/1000 = 0.000001 = 1/1000000 = ppm.
 average usage mg/kgmaximum usage mg/kg
Dairy products, excluding products of category 02.0 (01.0) : 0.200001.00000
Fats and oils, and fat emulsions (type water-in-oil) (02.0) : 0.100000.50000
Edible ices, including sherbet and sorbet (03.0) : 0.200001.00000
Processed fruit (04.1) : 0.200001.00000
Processed vegetables (incl. mushrooms & fungi, roots & tubers, pulses and legumes), and nuts & seeds (04.2) : --
Confectionery (05.0) : 0.200001.00000
Cereals and cereal products, incl. flours & starches from roots & tubers, pulses & legumes, excluding bakery (06.0) : 0.100000.50000
Bakery wares (07.0) : 0.200001.00000
Meat and meat products, including poultry and game (08.0) : 0.100000.20000
Fish and fish products, including molluscs, crustaceans and echinoderms (MCE) (09.0) : 0.100000.20000
Eggs and egg products (10.0) : --
Sweeteners, including honey (11.0) : --
Salts, spices, soups, sauces, salads, protein products, etc. (12.0) : 0.100000.50000
Foodstuffs intended for particular nutritional uses (13.0) : 0.200001.00000
Non-alcoholic ("soft") beverages, excl. dairy products (14.1) : 0.100000.50000
Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2) : 0.200001.00000
Ready-to-eat savouries (15.0) : 0.400002.00000
Composite foods (e.g. casseroles, meat pies, mincemeat) - foods that could not be placed in categories 01.0 - 15.0 (16.0) : 0.100000.50000

safety references :
European Food Safety Athority(efsa) :Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies...
EPI System :view
EPA Chem. Sub. Inventory : Yes
 
WGK Germany :3
 
 
 
 5-ethylthiophene-2-carbaldehyde
(EINECS) number :253-252-0
chemidplus :036880338
EPA Substance Registry Services :36880-33-8

references :
 5-ethylthiophene-2-carbaldehyde
fl. number :15.074
pubchem :747357

other :
VCF-Online: VCF Volatile Compounds in Food
synonyms :
5-ethyl thiophene-2-carbaldehyde
5-ethyl-2-thiophenecarboxaldehyde
5-ethylthiophene-2-carbaldehyde

soluble in :
 alcohol

insoluble in :
 water

(odor and/or flavor) blends with :
 acetophenone
2-acetyl furan
 allyl 2-ethyl butyrate
 allyl benzoate
 allyl isovalerate
 almond oil bitter
isoamyl 2-methyl butyrate
 amyl butyrate
ortho-anisaldehyde
para-anisyl acetate
para-anisyl propionate
 benzaldehyde
 benzaldehyde / methyl anthranilate schiff's base
 benzaldehyde dimethyl acetal
 benzaldehyde glycrol acetal
2-benzofuran carboxaldehyde
 benzyl cinnamate
 bread thiophene
 butyrophenone
 cherry laurel oil
 cherry oxyacetate
 cherry pentenoate
 cherry propanol
 chocolate pyrazine A
 chocolate pyrazine B
 cinnamyl isovalerate
 cocoa pyrazine
 cyclohexyl cinnamate
 cyclohexyl formate
 dibenzyl ketone
2,4-dimethyl benzaldehyde
 ethyl 2-phenyl-3-furoate
4-ethyl benzaldehyde
 ethyl benzoyl acetate
 ethyl methyl-para-tolyl glycidate
2-ethyl-3,5(6)-dimethyl pyrazine mixture
 furfural
 geranyl crotonate
 heptyl isobutyrate
2,4-hexadien-1-ol
3,4-hexane dione
2-hexen-1-al
2'-hydroxyacetophenone
2-methoxy-3-methyl pyrazine
2'-methoxyacetophenone
(E)-para-methoxycinnamaldehyde
para-methoxycinnamaldehyde
 methyl (E)-cinnamate
 methyl benzoate
 methyl cinnamate
 methyl furfuracrylate
 methyl phenyl acetate
4-methyl salicylaldehyde
3-methyl-2-buten-1-al
2-methyl-3-(methyl thio) pyrazine
2-methyl-3,(5 or 6)-ethoxypyrazine
 nutty cyclohexenone
laevo-perillaldehyde
 phenyl acetaldehyde diethyl acetal
 phenyl acetaldehyde diisobutyl acetal
 phenyl pyruvic acid
 powdery ketone
 raspberry ketone methyl ether
 tolualdehyde glyceryl acetal
 tolualdehydes (mixed o/m/p)
meta-tolyl aldehyde
para-tolyl aldehyde

(odor and/or flavor) used in :
 cherry
 meat
 nut

natural occurrence in :
found in nature



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