12-Crown-4

Modify Date: 2024-01-01 19:12:36

12-Crown-4 Structure
12-Crown-4 structure
Common Name 12-Crown-4
CAS Number 294-93-9 Molecular Weight 176.210
Density 1.0±0.1 g/cm3 Boiling Point 254.9±0.0 °C at 760 mmHg
Molecular Formula C8H16O4 Melting Point 16 °C(lit.)
MSDS N/A Flash Point 120.1±30.0 °C

 Names

Name 12-crown-4
Synonym More Synonyms

 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

 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

 Customs

HS Code 29329995

 Synonyms

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
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