2,3-dimethyl quinoxaline, 2379-55-7

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Product(s):
2379-55-7 2,3-Dimethylquinoxaline

Endeavour Specialty Chemicals Ltd

Expertise in high impact aroma chemicals
Endeavour Speciality Chemicals offers high-impact aroma chemicals, at small to medium scale.
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QU0030 2,3-Dimethylquinoxaline 97% F&F

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04-67700 2,3-DIMETHYL QUINOXALINE

Robinson Brothers Limited

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Based in the UK, Robinson Brothers is an award-winning chemical manufacturer of chemical intermediates and high-impact aroma chemicals. Robinson Brothers serve many industry sectors across the globe, include: flavour/fragrance, pharmaceutical, agrochemical and material sciences. Our team of Chemists are experts in custom synthesis, contract manufacture and process optimisation.
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QU0030 2,3-Dimethylquinoxaline F&F

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D0795 2,3-Dimethylquinoxaline >98.0%(T)
SDS

R C Treatt and Co Ltd

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Product(s):
2,3-Dimethylquinoxaline

Name:	2,3-dimethylquinoxaline
CAS Number:	2379-55-7	3D/inchi
ECHA EINECS - REACH Pre-Reg:	219-162-0
FDA UNII:	4K2NH2OBE9
Nikkaji Web:	J3.709E
Beilstein Number:	0114832
MDL:	MFCD00006728
XlogP3-AA:	2.00 (est)
Molecular Weight:	158.20370000
Formula:	C10 H10 N2
BioActivity Summary:	listing
NMR Predictor:	Predict (works with chrome, Edge or firefox)

Category:flavoring agents

US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:

Google Scholar:	Search
Google Books:	Search
Google Scholar: with word "volatile"	Search
Google Scholar: with word "flavor"	Search
Google Scholar: with word "odor"	Search
Perfumer and Flavorist:	Search
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DG SANTE Food Flavourings:	14.108 2,3-dimethylquinoxaline

Physical Properties:

Appearance:	pale yellow crystalline solid (est)
Assay:	95.00 to 100.00
Food Chemicals Codex Listed:	No
Melting Point:	104.00 to 108.00 °C. @ 760.00 mm Hg
Boiling Point:	257.00 to 259.00 °C. @ 760.00 mm Hg
Vapor Pressure:	0.024000 mmHg @ 25.00 °C. (est)
Flash Point:	221.00 °F. TCC ( 105.00 °C. )
logP (o/w):	2.024 (est)
Soluble in:
	alcohol
	water, 902.5 mg/L @ 25 °C (est)
Insoluble in:
	water

Organoleptic Properties:

Odor Type: earthy

fatty earthy

Odor Description:at 0.01 % in propylene glycol. fatty earthy

Flavor Type: astringent

astringent fatty earthy

Taste Description: astringent fatty earthy

Odor and/or flavor descriptions from others (if found).

Cosmetic Information:

None found

Suppliers:

BOC Sciences

For experimental / research use only.

2,3-Dimethylquinoxaline

Endeavour Specialty Chemicals

2,3-Dimethylquinoxaline 97% F&F

Speciality Chemical Product Groups

Penta International

2,3-DIMETHYL QUINOXALINE

R C Treatt & Co Ltd

2,3-Dimethylquinoxaline

Robinson Brothers

2,3-Dimethylquinoxaline F&F

https://www.robinsonbrothers.uk/chemistry-competences

Sigma-Aldrich: Aldrich

For experimental / research use only.

2,3-Dimethylquinoxaline 97%

sds

TCI AMERICA

For experimental / research use only.

2,3-Dimethylquinoxaline >98.0%(T)

sds

Safety Information:

Preferred SDS: View
European information :
Most important hazard(s):
Xn - Harmful.
R 22 - Harmful if swallowed. R 37/38 - Irritating to respiratory system and skin. R 41 - Risk of serious damage to eyes. S 02 - Keep out of the reach of children. S 20/21 - When using do not eat, drink or smoke. S 23 - Do not breath vapour. S 24/25 - Avoid contact with skin and eyes. S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S 36/37/39 - Wear suitable clothing, gloves and eye/face protection.

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:
intravenous-mouse LD50 180 mg/kg U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#00809
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined

Safety in Use Information:

Category:
flavoring agents
Recommendation for 2,3-dimethyl quinoxaline usage levels up to:
	not for fragrance use.

Maximised Survey-derived Daily Intakes (MSDI-EU):		0.049 (μg/capita/day)
Modified Theoretical Added Maximum Daily Intake (mTAMDI):		190 (μg/person/day)
Threshold of Concern:		90 (μg/person/day)
Structure Class:		III

Food categories according to Commission Regulation EC No. 1565/2000 (EC, 2000) in FGE.06 (EFSA, 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 (EFSA, 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):		0.10000	0.50000
Edible ices, including sherbet and sorbet (03.0):		0.40000	2.00000
Processed fruit (04.1):		0.40000	2.00000
Processed vegetables (incl. mushrooms & fungi, roots & tubers, pulses and legumes), and nuts & seeds (04.2):		-	-
Confectionery (05.0):		1.00000	5.00000
Chewing gum (05.3):		-	-
Cereals and cereal products, incl. flours & starches from roots & tubers, pulses & legumes, excluding bakery (06.0):		0.20000	1.00000
Bakery wares (07.0):		0.20000	1.00000
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):		0.10000	0.50000
Foodstuffs intended for particular nutritional uses (13.0):		0.20000	1.00000
Non-alcoholic ("soft") beverages, excl. dairy products (14.1):		0.20000	1.00000
Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2):		1.00000	5.00000
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...

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

Opinion of the Scientific Panel on food additives, flavourings, processing aids and materials in contact with food (AFC) on a request from the Commission related to Flavouring Group Evaluation 17 (FGE.17): Pyrazine derivatives from chemical group 24 (Commission Regulation (EC) No 1565/2000 of 18 July 2000)
View page or View pdf

Flavouring Group Evaluation 50 (FGE.50): Consideration of pyrazine derivatives evaluated by JECFA (57th meeting) structurally related to pyrazine derivatives evaluated by EFSA in FGE.17 (2005) (Commission Regulation (EC) No 1565/2000 of 18 July 2000) - Opinion of the Scientific Panel on Food Additives, Flavourings, Processing Aids and Materials in contact with Food (AFC)
View page or View pdf

Flavouring Group Evaluation 17, Revision 1 (FGE.17Rev1): Pyrazine derivatives from chemical group 24 - Opinion of the Scientific Panel on Food Additives, Flavourings, Processing Aids and Materials in contact with Food (AFC) [1]
View page or View pdf

Scientific Opinion on Flavouring Group Evaluation 17, Revision 2 (FGE.17Rev2): Pyrazine derivatives from chemical group 24
View page or View pdf

Scientific Opinion on Flavouring Group Evaluation 50, Revision 1 (FGE.50Rev1): Consideration of pyrazine derivatives evaluated by JECFA (57th meeting) structurally related to pyrazine derivatives evaluated by EFSA in FGE.17Rev2 (2010)
View page or View pdf

Scientific Opinion on Flavouring Group Evaluation 17, Revision 3 (FGE.17Rev3): Pyrazine derivatives from chemical group 24
View page or View pdf

EPI System: View

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EPA Substance Registry Services (TSCA):2379-55-7

EPA ACToR:Toxicology Data

EPA Substance Registry Services (SRS):Registry

Laboratory Chemical Safety Summary :16925

National Institute of Allergy and Infectious Diseases:Data

WISER:UN 2811

WGK Germany:3

2,3-dimethylquinoxaline

Chemidplus:0002379557

RTECS:VD1960000 for cas# 2379-55-7

References:

	2,3-dimethylquinoxaline
NIST Chemistry WebBook:	Search Inchi
Canada Domestic Sub. List:	2379-55-7
Pubchem (cid):	16925
Pubchem (sid):	134981591

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
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Export Tariff Code:	2933.99.8210
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