Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Ethyl 4-oxo-4H-chromene-2-carboxylate
Price:
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: ETHYL 4-OXO-4H-CHROMENE-2-CARBOXYLATE
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang

14736-31-3

14736-31-3 structure

14736-31-3 structure

Name: Ethyl 4-oxo-4H-chromene-2-carboxylate
Chemical Name: ethyl 4-oxochromene-2-carboxylate
CAS Number: 14736-31-3
Molecular Formula: C₁₂H₁₀O₄
Molecular Weight: 218.205
Create Date: 2018-12-20 11:33:41
Modify Date: 2024-01-17 13:41:21

Name	ethyl 4-oxochromene-2-carboxylate
Synonyms	ethyl 4-oxochromen-2-carboxylate 4-Oxo-4H-chromen-2-carbonsaeure-aethylester Ethyl 4-oxo-4H-chromene-2-carboxylate 4-oxo-4H-chromene-2-carboxylic acid ethyl ester Ethyl 4-oxo-4H-1-benzopyran-2-carboxylate 4H-1-Benzopyran-2-carboxylic acid, 4-oxo-, ethyl ester Chromone-2-carboxylic acid ethyl ester 2-ethyloxycarbonyl-chromone 4H-1-BENZOPYRAN-2-CARBOXYLIC ACID,4-OXO-,ETHYL ESTER ethyl chromone-2-carboxylate

Density	1.3±0.1 g/cm3
Boiling Point	325.0±42.0 °C at 760 mmHg
Molecular Formula	C₁₂H₁₀O₄
Molecular Weight	218.205
Flash Point	143.2±27.9 °C
Exact Mass	218.057907
PSA	56.51000
LogP	1.45
Vapour Pressure	0.0±0.7 mmHg at 25°C
Index of Refraction	1.568

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DJ2501200

CHEMICAL NAME :: 4H-1-Benzopyran-2-carboxylic acid, 4-oxo-, ethyl ester

CAS REGISTRY NUMBER :: 14736-31-3

BEILSTEIN REFERENCE NO. :: 0178173

LAST UPDATED :: 199612

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C12-H10-O4

MOLECULAR WEIGHT :: 218.22

WISWESSER LINE NOTATION :: T66 BO EVJ CVO2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >100 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: JMCMAR Journal of Medicinal Chemistry. (American Chemical Soc., Distribution Office Dept. 223, POB POB 57136, West End Stn., Washington, DC 20037) V.6- 1963- Volume(issue)/page/year: 15,865,1972

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1250 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: PHTXA6 Pharmacology and Toxicology. English translation of FATOAO. (New York, NY) V.20-22, 1957-59. Discontinued. Volume(issue)/page/year: 21,555,1958

TYPE OF TEST :: LD - Lethal dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >3 gm/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: 71,686,1951

Hazard Codes	Xi
HS Code	2918300090

Precursor 10
118-93-4 95-92-1 60-29-7 582-24-1
4940-39-0 64-17-5 4940-37-8 23866-72-0
65950-31-4 7250-94-4
DownStream 8
4940-39-0 30095-79-5 24698-77-9 30095-81-9
80253-61-8 6179-32-4 38322-77-9 53603-56-8

HS Code	2918300090
Summary	2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%