<Suppliers Price>

12-Crown-4

Names

[ CAS No. ]:
294-93-9

[ Name ]:
12-Crown-4

[Synonym ]:
12-crown-4 ether
ethylene oxide cyclic tetramer
1,4,7,10-Tetraoxacyclododecane
12-Crown 4-Ether
12-Crown-4
12-Crown-4-ether
1,4,7,10-tetraoxa-cyclododecane
EINECS 206-036-5
UNII-K6069P2C2A
EOCT
MFCD00005103

Chemical & Physical Properties

[ Density]:
1.0±0.1 g/cm3

[ Boiling Point ]:
254.9±0.0 °C at 760 mmHg

[ Melting Point ]:
16 °C(lit.)

[ Molecular Formula ]:
C8H16O4

[ Molecular Weight ]:
176.210

[ Flash Point ]:
120.1±30.0 °C

[ Exact Mass ]:
176.104858

[ PSA ]:
36.92000

[ LogP ]:
-0.54

[ Vapour Pressure ]:
0.0±0.5 mmHg at 25°C

[ Index of Refraction ]:
1.404

[ Storage condition ]:
2-8°C

[ Water Solubility ]:
MISCIBLE

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
XF0550000
CHEMICAL NAME :
1,4,7,10-Tetraoxacyclododecane
CAS REGISTRY NUMBER :
294-93-9
BEILSTEIN REFERENCE NO. :
1363064
LAST UPDATED :
199710
DATA ITEMS CITED :
11
MOLECULAR FORMULA :
C8-H16-O4
MOLECULAR WEIGHT :
176.24
WISWESSER LINE NOTATION :
T-12-O DO GO JOTJ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
DCTODJ Drug and Chemical Toxicology. (Marcel Dekker, 270 Madison Ave., New York, NY 10016) V.1- 1977/78- Volume(issue)/page/year: 8,451,1985
TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration into the eye
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
DCTODJ Drug and Chemical Toxicology. (Marcel Dekker, 270 Madison Ave., New York, NY 10016) V.1- 1977/78- Volume(issue)/page/year: 8,451,1985 ** ACUTE TOXICITY DATA **
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
2830 mg/kg
TOXIC EFFECTS :
Behavioral - tremor
REFERENCE :
DCTODJ Drug and Chemical Toxicology. (Marcel Dekker, 270 Madison Ave., New York, NY 10016) V.1- 1977/78- Volume(issue)/page/year: 1,339,1978
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1550 mg/kg
TOXIC EFFECTS :
Behavioral - tremor Behavioral - convulsions or effect on seizure threshold Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
DCTODJ Drug and Chemical Toxicology. (Marcel Dekker, 270 Madison Ave., New York, NY 10016) V.1- 1977/78- Volume(issue)/page/year: 8,451,1985
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
3150 mg/kg
TOXIC EFFECTS :
Behavioral - tremor Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 44,263,1978
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1290 mg/kg
TOXIC EFFECTS :
Behavioral - tremor Behavioral - convulsions or effect on seizure threshold Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
DCTODJ Drug and Chemical Toxicology. (Marcel Dekker, 270 Madison Ave., New York, NY 10016) V.1- 1977/78- Volume(issue)/page/year: 8,451,1985
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
4530 uL/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold Behavioral - ataxia Skin and Appendages - dermatitis, other (after systemic exposure)
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0536186 ** REPRODUCTIVE DATA **
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
DOSE :
1 ppm/7H
SEX/DURATION :
male 15 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - prostate, seminal vesicle, Cowper's gland, accessory glands
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 27,342,1974
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
DOSE :
500 ppb/7H
SEX/DURATION :
male 15 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - testes, epididymis, sperm duct
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 27,342,1974

Safety Information

[ Hazard Codes ]:
Xn:Harmful;

[ Risk Phrases ]:
R20/21/22;R36/37/38

[ Safety Phrases ]:
S28-S36/37-S45-S36-S26

[ RIDADR ]:
UN 2810

[ WGK Germany ]:
3

[ RTECS ]:
XF0550000

[ Packaging Group ]:
III

[ Hazard Class ]:
6.1

[ HS Code ]:
29329995

Synthetic Route

Precursor & DownStream

Customs

[ HS Code ]: 29329995


Related Compounds