Urea, 1-(2,6-xylyl)-

Modify Date: 2025-09-12 10:11:14

Urea, 1-(2,6-xylyl)- Structure
Urea, 1-(2,6-xylyl)- structure
 Common Name Urea, 1-(2,6-xylyl)-
CAS Number 2990-03-6 Molecular Weight 164.20400
Density 1.154g/cm3 Boiling Point 257.8ºC at 760 mmHg
Molecular Formula C9H12N2O Melting Point N/A
MSDS N/A Flash Point 109.7ºC

 Names

Name (2,6-dimethylphenyl)urea
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.154g/cm3
Boiling Point 257.8ºC at 760 mmHg
Molecular Formula C9H12N2O
Molecular Weight 164.20400
Flash Point 109.7ºC
Exact Mass 164.09500
PSA 55.12000
LogP 2.56730
Vapour Pressure 0.0142mmHg at 25°C
Index of Refraction 1.606

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
YU4990000
CHEMICAL NAME :
Urea, 1-(2,6-xylyl)-
CAS REGISTRY NUMBER :
2990-03-6
BEILSTEIN REFERENCE NO. :
2091701
LAST UPDATED :
199612
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C9-H12-N2-O
MOLECULAR WEIGHT :
164.23
WISWESSER LINE NOTATION :
ZVMR B1 F1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>3 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JPPMAB Journal of Pharmacy and Pharmacology. (Pharmaceutical Soc. of Great Britain, 1 Lambeth High St., London SEI 7JN, UK) V.1- 1949- Volume(issue)/page/year: 21,366,1969
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
56 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#04183

 Synthetic Route

1-(3,5-dimethylphenoxy)-3-phenylurea structure

1-(3,5-dimethyl...

CAS#:95774-30-4

~44%

Urea, 1-(2,6-xylyl)- Structure

Urea, 1-(2,6-xylyl)-

CAS#:2990-03-6

N/A structure

N/A

CAS#:95760-82-0

Literature: Endo, Yasuyuki; Terashima, Tohru; Shudo, Koichi Tetrahedron Letters, 1984 , vol. 25, # 48 p. 5537 - 5540
1-(2,6-dimethylphenyl)-3-phenoxyurea structure

1-(2,6-dimethyl...

CAS#:95760-86-4

~43%

Urea, 1-(2,6-xylyl)- Structure

Urea, 1-(2,6-xylyl)-

CAS#:2990-03-6

N/A structure

N/A

CAS#:95760-82-0

Literature: Endo, Yasuyuki; Terashima, Tohru; Shudo, Koichi Tetrahedron Letters, 1984 , vol. 25, # 48 p. 5537 - 5540
2,6-xylidine structure

2,6-xylidine

CAS#:87-62-7

~%

Urea, 1-(2,6-xylyl)- Structure

Urea, 1-(2,6-xylyl)-

CAS#:2990-03-6

Literature: Kurzer; Sanderson Journal of the Chemical Society, 1957 , p. 4461,4467
2,6-Dimethylphenyl isocyanate structure

2,6-Dimethylphe...

CAS#:28556-81-2

~%

Urea, 1-(2,6-xylyl)- Structure

Urea, 1-(2,6-xylyl)-

CAS#:2990-03-6

Literature: Dahlbom; Oesterberg Acta Chemica Scandinavica (1947-1973), 1955 , vol. 9, p. 1553,1556
ethyl 2,6-dimethylphenylcarbamate structure

ethyl 2,6-dimet...

CAS#:35601-96-8

~%

Urea, 1-(2,6-xylyl)- Structure

Urea, 1-(2,6-xylyl)-

CAS#:2990-03-6

Literature: Dahlbom; Oesterberg Acta Chemica Scandinavica (1947-1973), 1955 , vol. 9, p. 1553,1556

 Synonyms

N-<2,6-Dimethyl-phenyl>-harnstoff
2,6-Dimethyl-phenyl-harnstoff
2,6-Xylylurea
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