2-Oxetanone,3,3-dimethyl-4-(1-methylethylidene)-

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Names

[ CAS No. ]:
3173-79-3

[ Name ]:
2-Oxetanone,3,3-dimethyl-4-(1-methylethylidene)-

[Synonym ]:
4-isopropylidene-3,3-dimethyloxetan-2-one
2-Oxetanone,4-isopropylidene-3,3-dimethyl
EINECS 221-643-5
4-Isopropylidene-3,3-dimethyl-2-oxetanone
Dimethylketene dimer

Chemical & Physical Properties

[ Molecular Formula ]:
C8H12O2

[ Molecular Weight ]:
140.18000

[ Exact Mass ]:
140.08400

[ PSA ]:
26.30000

[ LogP ]:
1.86330

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
RQ7875000
CHEMICAL NAME :
2-Oxetanone, 4-isopropylidene-3,3-dimethyl-
CAS REGISTRY NUMBER :
3173-79-3
LAST UPDATED :
199712
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C8-H12-O2
MOLECULAR WEIGHT :
140.20
WISWESSER LINE NOTATION :
T4VOY DHJ CUY1&1 D1 D1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
39 gm/kg/78W-I
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria Tumorigenic - tumors at site of application
REFERENCE :
JNCIAM Journal of the National Cancer Institute. (Washington, DC) V.1-60, 1940-78. For publisher information, see JJIND8. Volume(issue)/page/year: 39,1213,1967

Safety Information

[ HS Code ]:
2932209090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • DIMETHYLKETENE

DownStream

  • 2,2,4-TRIMETHYL-3-OXOVALERYL CHLORIDE
  • 3-Pentenoic acid,3-[(dimethoxyphosphino)oxy]-2,2,4-trimethyl-, methyl ester
  • 1-hydroxy-2,2,4-trimethylpentan-3-one
  • 3-bis(dimethylamino)phosphinothioyloxy-N,N,2,2,4-pentamethyl-pent-3-enamide
  • propyl 3-dipropoxyphosphanyloxy-2,2,4-trimethyl-pent-3-enoate
  • 3-Pentenoic acid,3-[(diethoxyphosphino)oxy]-2,2,4-trimethyl-, ethyl ester
  • HEXAMETHYLCYCLOHEXANE-1,3,5-TRIONE

Customs

[ HS Code ]: 2932209090

[ Summary ]:
2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Related Compounds

  • 3,3-dimethyl-4-pentan-2-yloxetan-2-one
  • 2-methoxyethoxyaluminum,tris(2-methoxyethoxy)alumane
  • 2-hydroxy-3,3-dimethyl-4-oxocyclopentane-1-carbaldehyde
  • 2-Azetidinecarbonitrile, 3,3-dimethyl-4-oxo-1-phenyl-2-(phenylmethyl)
  • 2-(3,3-dimethyl-2,4-dihydroisoquinolin-1-ylidene)-N,N'-bis(4-methylphenyl)propanediamide
  • 2-(3,3-dimethyl-2,4-dihydroisoquinolin-1-ylidene)propanedinitrile
  • 2-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}(1-methylcyclopentyl)amino)-1,3-thiazol-4-yl]acetic acid
  • 3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2,6-difluorobenzoic acid
  • 3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5-fluorobenzoic acid
  • tert-butyl (2R)-3-amino-2-fluoropropanoate
  • rac-tert-butyl (1R,2S)-2-(aminomethyl)cyclopropane-1-carboxylate
  • 1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl 2-methylidenecyclobutane-1-carboxylate
  • 1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl 1-(fluoromethyl)cyclopropane-1-carboxylate
  • 1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl 2-(1-methylcyclopropyl)acetate
  • 1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl 5-methylthiophene-2-carboxylate
  • 1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl 2-methanesulfonamidoacetate
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