DULCIN

Names

[ CAS No. ]:
150-69-6

[ Name ]:
DULCIN

[Synonym ]:
Dulcin
p-Phenetylurea
Valzin
EINECS 205-767-7
Dulcine
p-Ethoxyphenylurea
MFCD00025431
Phenetolcarbamide
Sucrol

Chemical & Physical Properties

[ Density]:
1.199 g/cm3

[ Boiling Point ]:
299ºC at 760 mmHg

[ Melting Point ]:
343-345ºC

[ Molecular Formula ]:
C9H12N2O2

[ Molecular Weight ]:
180.20400

[ Flash Point ]:
134.6ºC

[ Exact Mass ]:
180.09000

[ PSA ]:
64.35000

[ LogP ]:
2.34920

[ Vapour Pressure ]:
0.00123mmHg at 25°C

[ Index of Refraction ]:
1.59

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
YT2275000
CHEMICAL NAME :
Urea, (p-ethoxyphenyl)-
CAS REGISTRY NUMBER :
150-69-6
BEILSTEIN REFERENCE NO. :
2096445
LAST UPDATED :
199612
DATA ITEMS CITED :
14
MOLECULAR FORMULA :
C9-H12-N2-O2
MOLECULAR WEIGHT :
180.23
WISWESSER LINE NOTATION :
ZVMR DO2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Human - woman
DOSE/DURATION :
600 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - hallucinations, distorted perceptions Behavioral - changes in motor activity (specific assay)
REFERENCE :
MEKLA7 Medizinische Klinik. (Urban & Schwarzenberg, Postfach 202440, D-8000 Munich 2, Fed. Rep. Ger.) V.1- 1904- Volume(issue)/page/year: 43,105,1948
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Human - child
DOSE/DURATION :
400 mg/kg
TOXIC EFFECTS :
Behavioral - hallucinations, distorted perceptions Behavioral - muscle weakness Gastrointestinal - nausea or vomiting
REFERENCE :
MEKLA7 Medizinische Klinik. (Urban & Schwarzenberg, Postfach 202440, D-8000 Munich 2, Fed. Rep. Ger.) V.1- 1904- Volume(issue)/page/year: 43,105,1948
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
3200 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 8,150,1958
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
700 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
FAONAU FAO Nutrition Meetings Report Series. (Rome, Italy) No.?-57, 1948-77. Discontinued. Volume(issue)/page/year: 44A,100,1967
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
135 mg/kg
TOXIC EFFECTS :
Behavioral - general anesthetic Behavioral - somnolence (general depressed activity)
REFERENCE :
JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 54,188,1935
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
1 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
HBAMAK "Abdernalden's Handbuch der Biologischen Arbeitsmethoden." (Leipzig, Ger. Dem. Rep.) Volume(issue)/page/year: 4,1345,1935
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
4 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NYKZAU Nippon Yakurigaku Zasshi. Japanese Journal of Pharmacology. (Nippon Yakuri Gakkai, c/o Kyoto Daigaku Igakubu Yakurigaku Kyoshitsu, Konoe-cho, Yoshida, Sakyo-ku, Kyoto 606, Japan) V.40- 1944- Volume(issue)/page/year: 52,215,1956 ** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
250 mg/kg/1W-I
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - cyanosis Related to Chronic Data - death
REFERENCE :
ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 8,150,1958 ** TUMORIGENIC DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
232 gm/kg/59W-C
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria Blood - lymphoma, including Hodgkin's disease
REFERENCE :
JAPMA8 Journal of the American Pharmaceutical Association, Scientific Edition. (Washington, DC) V.29-49, 1940-60. For publisher information, see JPMSAE. Volume(issue)/page/year: 40,583,1951
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
27740 mg/kg/83W-C
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria Liver - tumors
REFERENCE :
ESKHA5 Eisei Shikenjo Hokoku. Bulletin of the Institute of Hygienic Sciences. (Kokuritsu Eisei Shikenjo Kagaku, 18-1 Bushitsu Johobu, Setagaya-ku, Tokyo 158, Japan) V.1- 1886- Volume(issue)/page/year: (87),116,1969 *** REVIEWS *** IARC Cancer Review:Animal Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 12,97,1976 IARC Cancer Review:Human No Adequate Data IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 12,97,1976 IARC Cancer Review:Group 3 IMSUDL IARC Monographs, Supplement. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) No.1- 1979- Volume(issue)/page/year: 7,56,1987 TOXICOLOGY REVIEW IDJOAS International Dental Journal. (A. Sijthoff, 37 Wagenstr, The Hague, Netherlands) V.1- 1950- Volume(issue)/page/year: 23,328,1973

Safety Information

[ Hazard Codes ]:
Xi: Irritant;

[ HS Code ]:
2924299090

Synthetic Route

Precursor & DownStream

Precursor

  • 4-ethoxyphenyl isocyanate
  • Potassium cyanate
  • 2-Phenoxyethanamine
  • Thiourea,N-(4-ethoxyphenyl)-
  • phosgene
  • Sodium cyanate
  • Urea
  • acetylurea
  • 1-(4-ethoxyphenyl)-1-nitrosourea
  • p-Ethoxybenzoic acid

DownStream

  • Acetamide
  • Phenacetin
  • 2-Phenoxyethanamine
  • Ammonia

Customs

[ HS Code ]: 2924299090

[ Summary ]:
2924299090. other cyclic amides (including cyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%