18-Crown-6

Suppliers

Names

[ CAS No. ]:
17455-13-9

[ Name ]:
18-Crown-6

[Synonym ]:
[18]crown-6
EINECS 241-473-5
18-Crown-6
18-Crown 6-Ether
18-crown-6 ether
UNII-63J177NC5B
1,4,7,10,13,16-Hexaoxacyclooctadecane
ethylene oxide cyclic hexamer
1,4,7,10,13,16-Hexanoxacyclooctadecane
18-Crown ether-6
CROWN-18-5-ETHER
MFCD00005113

Chemical & Physical Properties

[ Density]:
1.0±0.1 g/cm3

[ Boiling Point ]:
395.8±37.0 °C at 760 mmHg

[ Melting Point ]:
42-45 °C(lit.)

[ Molecular Formula ]:
C12H24O6

[ Molecular Weight ]:
264.315

[ Flash Point ]:
163.8±26.4 °C

[ Exact Mass ]:
264.157288

[ PSA ]:
55.38000

[ LogP ]:
-0.81

[ Vapour Pressure ]:
0.0±0.9 mmHg at 25°C

[ Index of Refraction ]:
1.404

[ Storage condition ]:
Store at 0-5°C

[ Stability ]:
Stable. Incompatible with strong acids, strong oxidizing agents.

[ Water Solubility ]:
SOLUBLE

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
MP4500000
CHEMICAL NAME :
1,4,7,10,13,16-Hexanoxacyclooctadecane
CAS REGISTRY NUMBER :
17455-13-9
BEILSTEIN REFERENCE NO. :
1619616
LAST UPDATED :
199803
DATA ITEMS CITED :
15
MOLECULAR FORMULA :
C12-H24-O6
MOLECULAR WEIGHT :
264.36
WISWESSER LINE NOTATION :
T-18-O DO GO JO MO POTJ

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 :
525 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 53(10),92,1988
TYPE OF TEST :
LD - Lethal dose
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>2500 mg/kg
TOXIC EFFECTS :
Behavioral - tremor Gastrointestinal - other changes Liver - other changes
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0536187
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
830 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 :
Intratracheal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
56 mg/kg
TOXIC EFFECTS :
Behavioral - tremor Lungs, Thorax, or Respiration - structural or functional change in trachea or bronchi Lungs, Thorax, or Respiration - fibrosis, focal (pneumoconiosis)
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0536187
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
540 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 53(10),92,1988
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
464 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 :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>1 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
RPTOAN Russian Pharmacology and Toxicology (English Translation). Translation of FATOAO. (Euromed Pub., 33, Woodlands Rd., Surbiton, Surrey, UK) V.30- 1967- Volume(issue)/page/year: 47,167,1984
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
3888 mg/kg
TOXIC EFFECTS :
Behavioral - tremor Gastrointestinal - hypermotility, diarrhea 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: OTS0571014
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
59 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 53(10),92,1988 ** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
10 gm/kg/15W-I
TOXIC EFFECTS :
Behavioral - tremor Related to Chronic Data - death Related to Chronic Data - changes in testicular weight
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0536187
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
127 mg/kg/14D-I
TOXIC EFFECTS :
Behavioral - tremor Behavioral - changes in motor activity (specific assay) Related to Chronic Data - death
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0536187

Safety Information

[ Symbol ]:

GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H302

[ Precautionary Statements ]:
P301 + P312 + P330

[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Gloves

[ Hazard Codes ]:
Xn:Harmful;

[ Risk Phrases ]:
R20/22;R36

[ Safety Phrases ]:
S26-S36-S39

[ RIDADR ]:
2811

[ WGK Germany ]:
3

[ RTECS ]:
MP4500000

[ Packaging Group ]:
III

[ Hazard Class ]:
6.1(b)

[ HS Code ]:
2932999099

Synthetic Route

Precursor & DownStream

Precursor

  • hexaethyleneglycol
  • 1,4,7,10,13,16-hexaoxacyclooctadecane-2,6-dione
  • 1,4,7,10,13,16-Hexaoxacyclooctadecane-2,3-dithione
  • Triethylene glycol bis(p-toluenesulfonate)
  • Triethylene glycol
  • 1,4,7,10,13,16-Hexaoxacyclooctadecane-2,3,11,12-tetrathione
  • Pentaethylene glycol
  • O,O-diethyl ethanebis(thioate)
  • Tos-PEG3
  • 2,2'-((Oxybis(ethane-2,1-diyl))bis(oxy))diethanol

DownStream

  • Ethyl 3-ethoxy-cis-crotonate
  • ETHYL 3-ETHOXYBUT-2-ENOATE
  • ethyl 2,2-diethylacetoacetate
  • Ethyl 2-ethyl-3-oxobutanoate
  • Chloropentacarbonylrhenium(I)
  • [(CO)3Re(μ-Cl)3Re(CO)3](1-)
  • 2-(Hydroxymethyl)-18-crown-6
  • Benzaldehyde,2-(2,4-dinitrophenyl)hydrazone
  • N-(2-Hydroxyethyl)-4-methylbenzenesulfonamide
  • Ethanone, 1-phenyl-,2-(2,4-dinitrophenyl)hydrazone

Customs

[ HS Code ]: 2932999099

[ Summary ]:
2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Articles

A novel amino acid analysis method using derivatization of multiple functional groups followed by liquid chromatography/tandem mass spectrometry.

Analyst 140(6) , 1965-73, (2015)

We have developed a novel amino acid analysis method using derivatization of multiple functional groups (amino, carboxyl, and phenolic hydroxyl groups). The amino, carboxyl, and phenolic hydroxyl grou...

Synthesis and evaluation of candidate PET radioligands for corticotropin-releasing factor type-1 receptors.

Nucl. Med. Biol. 41(6) , 524-35, (2014)

A radioligand for measuring the density of corticotropin-releasing factor subtype-1 receptors (CRF1 receptors) in living animal and human brain with positron emission tomography (PET) would be a usefu...

A novel 2-cyanobenzothiazole-based (18)F prosthetic group for conjugation to 1,2-aminothiol-bearing targeting vectors.

Org. Biomol. Chem. 13(12) , 3667-76, (2015)

In a bid to find an efficient means to radiolabel biomolecules under mild conditions for PET imaging, a bifunctional (18)F prosthetic molecule has been developed. The compound, dubbed [(18)F]FPyPEGCBT...


More Articles


Related Compounds

  • 18-crown-6
  • 18-crown-6
  • 18-crown-6
  • DCH-18-crown-6
  • AZA-18-CROWN-6
  • Dvdb-18-crown-6