2H-1-Benzopyran-2-one,3-methyl-

Suppliers

Names

[ CAS No. ]:
2445-82-1

[ Name ]:
2H-1-Benzopyran-2-one,3-methyl-

[Synonym ]:
3-METHYL-1H-1-BENZOPYRAN-2-ONE
3-Methyl-2-oxochromene
3-methylchromen-2-one
3-methyl-2h-1-benzopyran-2-one
3-methylcoumarine
3-methylcoumarin
3-Methyl-cumarin
3-Methyl-2-oxo-2H-benzopyran
3-methyl-2h-1-benzopyran-2-on
3-methyl-2H-chromen-2-one
3-methyl-coumari

Chemical & Physical Properties

[ Density]:
1.185g/cm3

[ Boiling Point ]:
292.5ºC at 760mmHg

[ Molecular Formula ]:
C10H8O2

[ Molecular Weight ]:
160.16900

[ Flash Point ]:
120.6ºC

[ Exact Mass ]:
160.05200

[ PSA ]:
30.21000

[ LogP ]:
2.10140

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
GN7790900
CHEMICAL NAME :
Coumarin, 3-methyl-
CAS REGISTRY NUMBER :
2445-82-1
BEILSTEIN REFERENCE NO. :
0122776
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C10-H8-O2
MOLECULAR WEIGHT :
160.18

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
316 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold
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: 76,186,1956

Safety Information

[ HS Code ]:
2932209090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • carbon monoxide
  • Phenol, 2-(1-propynyl)- (9CI)
  • 2H-Chromene-3-carbaldehyde
  • 2-(phenoxymethyl)acrylic acid
  • Salicylaldehyde
  • 2-(triphenyl-phosphanylidene)-propionic acid ethyl ester
  • acrolein
  • Propionic anhydride
  • ethyl 3-(2-hydroxyphenyl)-2-methylacrylate

DownStream

  • Salicylic acid
  • 2,2-diethyl-3-methylchromene
  • Phenol,2,2'-[1,3-propanediylbis[imino(5-methyl-2,4-pyrimidinediyl)]]bis- (9CI)
  • (6E)-6-[5-methyl-2-[4-[[(4E)-5-methyl-4-(6-oxo-1-cyclohexa-2,4-dienylidene)-3H-pyrimidin-2-yl]amino]butylamino]-3H-pyrimidin-4-ylidene]cyclohexa-2,4-dien-1-one
  • Phenol,2,2'-[1,6-hexanediylbis[imino(5-methyl-2,4-pyrimidinediyl)]]bis- (9CI)
  • Phenol,2,2'-[1,8-octanediylbis[imino(5-methyl-2,4-pyrimidinediyl)]]bis- (9CI)
  • 2-oxochromene-3-carbaldehyde
  • 2-(3-hydroxy-2,3-dimethylbut-1-enyl)phenol

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

  • 2H-1-Benzopyran-2-one,3-methyl-6-phenyl
  • 6-Allyl-7-hydroxy-8-iodo-3-methyl-2H-1-benzopyran-2-one
  • 2H-1-Benzopyran-2-one,3,4-dihydro-6-methyl-
  • 2H-1-Benzopyran-2-one, 3,4-dihydro-4-methyl-
  • 2H-1-BENZOPYRAN-2-ONE, 3-ETHYL-4-HYDROXY-6-METHYL-
  • 2H-1-Benzopyran-2-one, 3-butyl-7-hydroxy-4-methyl-6-pentyl-
  • Benzyl (5-bromothiophen-2-yl)carbamate
  • N-((2-Chlorothiazol-5-yl)methyl)propan-1-amine
  • 2-Bromo-4-nitro-1H-indole
  • N-(5-Iodo-1,3,4-thiadiazol-2-yl)acetamide
  • tert-Butyl 4-iodo-2-oxo-2,5-dihydro-1H-pyrrole-1-carboxylate
  • (7-Bromo-4-fluoro-1H-indol-3-yl)methanamine
  • Ethyl benzo[c][1,2,5]oxadiazole-4-carboxylate
  • tert-Butyl 3-(3-chlorophenyl)-3-oxopropanoate
  • 5-Chloro-2-methyl-6-(trifluoromethyl)pyrimidin-4-amine
  • 3,3-Dimethyl-1H-pyrido[3,4-b][1,4]oxazin-2(3H)-one