2,3-Dihydro-1-methylindol-2-one

Modify Date: 2025-08-22 17:43:03

2,3-Dihydro-1-methylindol-2-one Structure
2,3-Dihydro-1-methylindol-2-one structure
Common Name 2,3-Dihydro-1-methylindol-2-one
CAS Number 61-70-1 Molecular Weight 147.174
Density 1.2±0.1 g/cm3 Boiling Point 346.0±31.0 °C at 760 mmHg
Molecular Formula C9H9NO Melting Point 85-88ºC(lit.)
MSDS Chinese USA Flash Point 172.3±16.0 °C
Symbol GHS07
GHS07
Signal Word Warning

 Names

Name 1-methyl-3H-indol-2-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.2±0.1 g/cm3
Boiling Point 346.0±31.0 °C at 760 mmHg
Melting Point 85-88ºC(lit.)
Molecular Formula C9H9NO
Molecular Weight 147.174
Flash Point 172.3±16.0 °C
Exact Mass 147.068420
PSA 20.31000
LogP 1.27
Vapour Pressure 0.0±0.8 mmHg at 25°C
Index of Refraction 1.584

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
NM2208800
CHEMICAL NAME :
2-Indolinone, 1-methyl-
CAS REGISTRY NUMBER :
61-70-1
BEILSTEIN REFERENCE NO. :
0124173
LAST UPDATED :
199709
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C9-H9-N-O
MOLECULAR WEIGHT :
147.19

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1177 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
YKKZAJ Yakugaku Zasshi. Journal of Pharmacy. (Nippon Yakugakkai, 2-12-15 Shibuya, Shibuya-ku, Tokyo 150, Japan) No.1- 1881- Volume(issue)/page/year: 94,1620,1974

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xi
Risk Phrases 36/37/38
Safety Phrases 26-36
RIDADR NONH for all modes of transport
RTECS NM2208800
HS Code 2933790090

 Synthetic Route

 Customs

HS Code 2933790090
Summary 2933790090. other lactams. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:9.0%. General tariff:20.0%

 Articles1

More Articles
An Expedient Stereoselective Synthesis of Spirocyclopropyl Oxindoles from Indolin-2-One/N-Protected Indolin-2-Ones and Bromonitroalkenes. Roy S and Chen K.

J. Chin. Chem. Soc. 60(6) , 597-604, (2013)

 Synonyms

2,3-Dihydro-1-methylindol-2-one
N-Methylindol-2(3H)-one
2-INDOLINONE,1-METHYL
1-Methyl-2-oxindole
N-methyloxindole
N-Methyl-2-indolinone
MFCD00030253
EINECS 231-391-8
1-Methyloxindole
2H-Indol-2-one, 1,3-dihydro-1-methyl-
1-methylindolin-2-one
N-methyl-indol-2-one
1-Methyl-1,3-dihydro-2H-indol-2-one
1-Methyl-2-indolinone
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