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General Material Information

Preferred name thialdine
Trivial Name Thialdine
Short Description 2,4,6-trimethyldihydro-4H-1,3,5-dithiazine
Formula C6 H13 N S2
CAS Number 638-17-5
FEMA Number 4018
Flavis Number 15.109
ECHA Number 211-323-3
FDA UNII ZKG651IE9G
Nikkaji Number J6.921C
xLogP3-AA 2.50 (est)
Bio Activity Summary External link
NMR Predictor External link
JECFA Food Flavoring 1049 2,4,6-trimethyldihydro-4H-1,3,5-dithiazine
FDA Patent No longer provide for the use of these seven synthetic flavoring substances
Synonyms
  • (R,S)- dihydro-2,4,6-trimethyl-1,3,5-(4H)dithiazine
  • (R,S)- dihydro-2,4,6-trimethyl-1,3,5(4H)dithiazine
  • (2-alpha,4-alpha,6-alpha)- dihydro-2,4,6-trimethyl-4H-1,3,5-dithiazine
  • 4H-1,3,5-dithiazine, (R,S)-dihydro-2,4,6-trimethyl-
  • (R,S)-1,3,5-dithiazine, perhydro-2,4,6-trimethyl
  • (R,S)-2,4,6-trimethyl dihydro-1,3,5(4H)-dithiazine
  • (4R,6S)-2,4,6-trimethyl-1,3,5-dithiazinane
  • (R,S)-2,4,6-trimethyl-5H-1,3,5-dithiazine
  • 2,4,6-trimethyldihydro-4H-1,3,5-dithiazine
  • (4R,6S)-2,4,6-trimethyl-1,3,5-dithiazinane
  • 4H-1,3,5-Dithiazine, dihydro-2,4,6-trimethyl-, (2α,4α,6α)-
  • (2α,4α,6α)-Dihydro-2,4,6-trimethyl-4H-1,3,5-dithiazine
  • 2,4,6-Trimethyldihydro-1,3,5-dithiazine
  • 2,4,6-Trimethylperhydro-1,3,5-dithiazine

US / EU / FDA / JECFA / FEMA / Scholar / Patents

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Other Information

(IUPAC):Atomic Weights of the Elements 2011 (pdf)
Videos:The Periodic Table of Videos
tgsc:Atomic Weights use for this web site
(IUPAC):Periodic Table of the Elements
FDA Substances Added to Food (formerly EAFUS):View
HMDB (The Human Metabolome Database):HMDB31187
FooDB:FDB020393
Export Tariff Code:2934.10.0090
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View
Wikipedia:View

PhysChem Properties

Material listed in food chemical codex No
Molecular weight 163.30661010742
Melting Point 46 to 48°C @ 760 mm Hg
Boiling Point 260 to 261°C @ 760 mm Hg
Vapor Pressure 0.012 mmHg @ 25 °C
Flash Point TCC Value 111.11 °C TCC
logP (o/w) 0.523 est
Solubility
alcohol Yes
water, 7000 mg/L @ 20 °C (exp) Yes
water No

Organoleptic Properties

Odor Type: Meaty
sulfurous, nutty, hazelnut, corn, meaty, earthy, clam
Luebke, William tgsc, (2017) At 0.10 % in propylene glycol. sulfurous nutty hazelnut corn meaty earthy clam
Flavor Type: Meaty
sulfurous, onion green onion, radish, garlic, onion cooked onion, earthy, brothy
Luebke, William tgsc, (2017) Sulfurous green onion radish garlic cooked onion earthy brothy
General comment Meaty roasted

Occurrences

Potential Uses

Applications
Flavoring purposes Meat

Safety Information

Safety information

Hazards identification
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
Pictogram
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
intraperitoneal-mouse LD50 265 mg/kg
Radiation Research. Vol. 7, Pg. 22, 1957.

Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined

Safety in use information

Category:
flavoring agents
Recommendation for thialdine usage levels up to:
not for fragrance use.
Maximised Survey-derived Daily Intakes (MSDI-EU): 1.10 (μg/capita/day)
Maximised Survey-derived Daily Intakes (MSDI-USA): 3.30 (μg/capita/day)
Structure Class: II
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 Flavor Ingredient Library
publication number: 20
Click here to view publication 20
average usual ppmaverage maximum ppm
baked goods: 8.0000016.00000
beverages(nonalcoholic): 3.000006.00000
beverages(alcoholic): --
breakfast cereal: 0.070000.35000
cheese: --
chewing gum: 10.0000020.00000
condiments / relishes: 3.000006.00000
confectionery froastings: --
egg products: 4.000008.00000
fats / oils: 0.350003.50000
fish products: 0.350003.50000
frozen dairy: 4.000008.00000
fruit ices: 3.000006.00000
gelatins / puddings: 3.000006.00000
granulated sugar: --
gravies: 4.000008.00000
hard candy: 5.0000010.00000
imitation dairy: 3.000006.00000
instant coffee / tea: --
jams / jellies: --
meat products: 3.000006.00000
milk products: 3.000006.00000
nut products: --
other grains: --
poultry: 0.200002.00000
processed fruits: --
processed vegetables: 0.200002.00000
reconstituted vegetables: 0.200002.00000
seasonings / flavors: 200.00000500.00000
snack foods: 3.000006.00000
soft candy: 4.000008.00000
soups: 4.000008.00000
sugar substitutes: --
sweet sauces: --

Safety references

European Food Safety Athority(EFSA):Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies...

European Food Safety Authority (EFSA) reference(s):

Flavouring Group Evaluation 21, Revision 1 (FGE.21Rev1): Thiazoles, thiophene, thiazoline and thienyl derivatives from chemical group 29 Miscellaneous substances from chemical group 30
View page or View pdf

Scientific Opinion on Flavouring Group Evaluation 76, Revision 1 (FGE.76Rev1): Consideration of sulphur-containing heterocyclic compounds evaluated by JECFA (59th meeting) structurally related to thiazoles, thiophene, thiazoline and thienyl derivatives from chemical group 29 and miscellaneous substances from chemical group 30 evaluated by EFSA in FGE.21Rev3
View page or View pdf

EPI System: View
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :12518
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:3
(4R,6S)-2,4,6-trimethyl-1,3,5-dithiazinane
Chemidplus:0000638175
RTECS:JO6430000 for cas# 638-17-5