2,7-Dioxaspiro[4.4]nonane-1,6-dione,3,8-dimethyl-

Modify Date: 2025-08-26 09:01:15

2,7-Dioxaspiro[4.4]nonane-1,6-dione,3,8-dimethyl- Structure
2,7-Dioxaspiro[4.4]nonane-1,6-dione,3,8-dimethyl- structure
Common Name 2,7-Dioxaspiro[4.4]nonane-1,6-dione,3,8-dimethyl-
CAS Number 3048-76-8 Molecular Weight 184.18900
Density 1.24g/cm3 Boiling Point 409.9ºC at 760 mmHg
Molecular Formula C9H12O4 Melting Point N/A
MSDS N/A Flash Point 220.9ºC

 Names

Name 3,8-dimethyl-2,7-dioxaspiro[4.4]nonane-1,6-dione
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.24g/cm3
Boiling Point 409.9ºC at 760 mmHg
Molecular Formula C9H12O4
Molecular Weight 184.18900
Flash Point 220.9ºC
Exact Mass 184.07400
PSA 52.60000
LogP 0.64360
Index of Refraction 1.495
InChIKey QAMHNBFRAXJYEI-UHFFFAOYSA-N
SMILES CC1CC2(CC(C)OC2=O)C(=O)O1

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
JH4010000
CHEMICAL NAME :
2,7-Dioxaspiro(4.4)nonane-1,6-dione, 3,8-dimethyl-
CAS REGISTRY NUMBER :
3048-76-8
BEILSTEIN REFERENCE NO. :
0083942
LAST UPDATED :
199612
DATA ITEMS CITED :
4
MOLECULAR FORMULA :
C9-H12-O4
MOLECULAR WEIGHT :
184.21

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>4 gm/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - food intake (animal)
REFERENCE :
PJPPAA Polish Journal of Pharmacology and Pharmacy. (ARS Polona, POB 1001, 00-068 Warsaw 1, Poland) V.25- 1973- Volume(issue)/page/year: 28,157,1976
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
3625 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity)
REFERENCE :
PJPPAA Polish Journal of Pharmacology and Pharmacy. (ARS Polona, POB 1001, 00-068 Warsaw 1, Poland) V.25- 1973- Volume(issue)/page/year: 28,157,1976
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>6 gm/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - food intake (animal)
REFERENCE :
PJPPAA Polish Journal of Pharmacology and Pharmacy. (ARS Polona, POB 1001, 00-068 Warsaw 1, Poland) V.25- 1973- Volume(issue)/page/year: 28,157,1976
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
3070 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity)
REFERENCE :
PJPPAA Polish Journal of Pharmacology and Pharmacy. (ARS Polona, POB 1001, 00-068 Warsaw 1, Poland) V.25- 1973- Volume(issue)/page/year: 28,157,1976

 Synthetic Route

 Synonyms

3,8-Dimethyl-2,7-dioxa-spiro[4.4]nonan-1,6-dion
3,8-Dimethyl-2,7-dioxaspiro(4.4)nonane-1,6-dione
2,7-DIOXASPIRO(4.4)NONANE-1,6-DIONE,3,8-DIMETHYL
2,2'-Spirobi(4-pentanolid)
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