2-Methyl-2H-1-benzopyran-3-carbaldehyde
Names
[ CAS No. ]:
57543-42-7
[ Name ]:
2-Methyl-2H-1-benzopyran-3-carbaldehyde
[Synonym ]:
BB_NC-0837
3-formyl-2-methyl-2H-chromene
2-Methyl-2H-1-benzopyran-3-carboxaldehyde
2H-1-BENZOPYRAN-3-CARBOXALDEHYDE,2-METHYL
Chemical & Physical Properties
[ Density]:
1.2g/cm3
[ Boiling Point ]:
302.4ºC at 760 mmHg
[ Molecular Formula ]:
C11H10O2
[ Molecular Weight ]:
174.19600
[ Flash Point ]:
140.7ºC
[ Exact Mass ]:
174.06800
[ PSA ]:
26.30000
[ LogP ]:
2.04980
[ Index of Refraction ]:
1.619
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- DJ2250500
- CHEMICAL NAME :
- 2H-1-Benzopyran-3-carboxaldehyde, 2-methyl-
- CAS REGISTRY NUMBER :
- 57543-42-7
- LAST UPDATED :
- 199712
- DATA ITEMS CITED :
- 1
- MOLECULAR FORMULA :
- C11-H10-O2
- MOLECULAR WEIGHT :
- 174.21
- WISWESSER LINE NOTATION :
- T66 BO CHJ C1 DVH
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 :
- 800 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- EJMCA5 European Journal of Medicinal Chemistry--Chimie Therapeutique. (Editions Scientifiques Elsevier, 29 rue Buffon, F-75005, Paris, France) V.9- 1974- Volume(issue)/page/year: 11,81,1976
Safety Information
[ HS Code ]:
2912190090
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2912190090
[ Summary ]:
2912190090 acyclic aldehydes without other oxygen function。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%