2,4-dimethyl-3-oxazoline 77311-02-5

2,4-dimethyl-3-oxazoline

organoleptics properties safety references FEMA Index Home Page

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IUPAC name :

2,4-dimethyl-2,5-dihydro-1,3-oxazole

InChI :

InChI=1/C5H9NO/c1-4-3-7-5(2)6-4/h5H,3H2,1-2H3

InChIKey :

XHHACWPFKDHDGD-UHFFFAOYAY

SMILES :

CC1N=C(CO1)C

cas number :	77311-02-5
fema number :	4429
jecfa number :	1558
fl. number :	13.115
molar refractivity :	27.10 ± 0.5 cm3
parachor :	216.4 ± 8.0 cm3
index of refraction :	1.491 ± 0.05
surface tension :	28.7 ± 7.0 dyne/cm
density :	1.06 ± 0.1 g/cm3
polarizability :	10.74 ± 0.5 10-24cm3
XlogP :	0.30
molecular weight :	99.1310600 (IUPAC)
formula :	C5 H9 N O
NMR Predictor :	Predict

export tariff code :

unspecified

fda reg :

unspecified

organoleptics :

odor strength :

high ,
recommend smelling in a 0.10 % solution or less

odor description:
at 0.10 % in propylene glycol.

boiled beef

properties :

appearence :

pale yellow to yellow clear liquid

assay :

95.00 to 100.00 %

Food Chemicals Codex Listed :

specific gravity :

1.00200 to 1.00800 @ 25.00 °C.

pounds per gallon - calc. :

8.338 to 8.388

refractive index :

1.43100 to 1.43700 @ 20.00 °C.

boiling point :

141.00 °C. @ 760.00 mm Hg

vapor pressure :

15.20000 mm/Hg @ 25.00 °C.

flash point :

84.00 °F. TCC ( 28.89 °C. )

logP (o/w) :

1.22

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) :

0.026 (μg/capita/day)

Maximised Survey-derived Daily Intakes (MSDI-USA) :

ND (μg/capita/day)

modified Theoretical Added Maximum Daily Intake (mTAMDI) :

96 (μg/person/day)

Threshold of concern :

540 (μg/person/day)

recommendation for 2,4-dimethyl-3-oxazoline fragrance usage levels up to :

not for fragrance use.

Use levels for FEMA GRAS flavoring substances on which the FEMA Expert Panel based its judgments that the substances are generally recognized as safe (GRAS).

The Expert Panel also publishes separate extensive reviews of scientific information on all FEMA GRAS flavoring substances and can be found at FEMA on the "LIBRARY" link.

publication number : 23

average usual ppm

average maximum ppm

baked goods :

0.40000

2.00000

beverages(nonalcoholic) :

0.20000

1.00000

beverages(alcoholic) :

breakfast cereal :

0.20000

1.00000

cheese :

0.40000

2.00000

chewing gum :

condiments / relishes :

0.20000

1.00000

confectionery froastings :

0.40000

2.00000

egg products :

fats / oils :

0.20000

1.00000

fish products :

0.10000

0.40000

frozen dairy :

0.40000

2.00000

fruit ices :

0.40000

2.00000

gelatins / puddings :

1.00000

5.00000

granulated sugar :

gravies :

1.00000

5.00000

hard candy :

imitation dairy :

0.40000

2.00000

instant coffee / tea :

jams / jellies :

1.00000

5.00000

meat products :

0.10000

0.40000

milk products :

0.40000

2.00000

nut products :

other grains :

0.20000

1.00000

poultry :

0.10000

0.40000

processed fruits :

0.30000

1.50000

processed vegetables :

reconstituted vegetables :

seasonings / flavors :

0.20000

1.00000

snack foods :

0.20000

1.00000

soft candy :

soups :

0.20000

1.00000

sugar substitutes :

sweet sauces :

0.20000

1.00000

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/kg

maximum usage mg/kg

Dairy products, excluding products of category 02.0 (01.0) :

0.40000

2.00000

Fats and oils, and fat emulsions (type water-in-oil) (02.0) :

0.20000

1.00000

Edible ices, including sherbet and sorbet (03.0) :

0.40000

2.00000

Processed fruit (04.1) :

0.30000

1.50000

Processed vegetables (incl. mushrooms & fungi, roots & tubers, pulses and legumes), and nuts & seeds (04.2) :

Confectionery (05.0) :

0.40000

2.00000

Cereals and cereal products, incl. flours & starches from roots & tubers, pulses & legumes, excluding bakery (06.0) :

0.20000

1.00000

Bakery wares (07.0) :

0.40000

2.00000

Meat and meat products, including poultry and game (08.0) :

0.10000

0.40000

Fish and fish products, including molluscs, crustaceans and echinoderms (MCE) (09.0) :

0.10000

0.40000

Eggs and egg products (10.0) :

Sweeteners, including honey (11.0) :

Salts, spices, soups, sauces, salads, protein products, etc. (12.0) :

0.20000

1.00000

Foodstuffs intended for particular nutritional uses (13.0) :

0.40000

2.00000

Non-alcoholic ("soft") beverages, excl. dairy products (14.1) :

Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2) :

0.40000

2.00000

Ready-to-eat savouries (15.0) :

1.00000

5.00000

Composite foods (e.g. casseroles, meat pies, mincemeat) - foods that could not be placed in categories 01.0 - 15.0 (16.0) :

0.20000

1.00000

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

2,4-dimethyl-2,5-dihydro-1,3-oxazole

chemidplus :

77311-02-5

EPA Substance Registry Services :

77311-02-5

references :

2,4-dimethyl-2,5-dihydro-1,3-oxazole

fl. number :

13.115

jecfa number :

1558

pubchem :

191464

other :

FDA Everything Added to Food in the United States (EAFUS)

View

synonyms :
2,4-	dimethyl-2,5-dihydro-1,3-oxazole
soluble in :
	alcohol
insoluble in :
	water
potential blenders :
	benzyl methyl sulfide	FL
2,5-	dimethyl furan	FL
2,5-	dimethyl pyrazine	FL
2,6-	dimethyl pyrazine	FL
2,4-	dimethyl thiazole	FL
3-	mercapto-2-butanone	FL
	methyl 2-methyl-3-furyl disulfide	FL
2-	methyl 3-(methyl thio) furan 10% in triacetin	FL
3-	methyl-2-butane thiol	FL
2-	methyl-3-tetrahydrofuran thiol	FL
2-	pyridinyl methane thiol	FL
	sulfurol	FL
	sulfuryl acetate	FL
1-(2-	thienyl) butanone	FL
2,4,5-	trimethyl oxazole	FL
potential uses :
	beef
	meat
natural occurrence in :
	not found in nature

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