Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4-(4-Nitrophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-bis(carboxylic acid ethyl) ester
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Purity: 98.0%
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21881-54-9

21881-54-9 structure

21881-54-9 structure

Name: 4-(4-Nitrophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-bis(carboxylic acid ethyl) ester
Chemical Name: diethyl 2,6-dimethyl-4-(4-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate
CAS Number: 21881-54-9
Molecular Formula: C₁₉H₂₂N₂O₆
Molecular Weight: 374.38800
Create Date: 2018-12-28 15:20:00
Modify Date: 2025-08-25 17:36:14

Name	diethyl 2,6-dimethyl-4-(4-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate

Density	1.226g/cm3
Boiling Point	513.6ºC at 760mmHg
Molecular Formula	C₁₉H₂₂N₂O₆
Molecular Weight	374.38800
Flash Point	264.4ºC
Exact Mass	374.14800
PSA	110.45000
LogP	3.80780
Vapour Pressure	1.16E-10mmHg at 25°C
Index of Refraction	1.549

CHEMICAL IDENTIFICATION

RTECS NUMBER :: US7972500

CHEMICAL NAME :: 3,5-Pyridinedicarboxylic acid, 1,4-dihydro-2,6-dimethyl-4-(p-nitrophenyl)-, diethyl ester

CAS REGISTRY NUMBER :: 21881-54-9

BEILSTEIN REFERENCE NO. :: 0350245

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C19-H22-N2-O6

MOLECULAR WEIGHT :: 374.43

WISWESSER LINE NOTATION :: T6M DHJ B1 CVO2 DR DNW& EVO2 F1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 32 mg/kg

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

REFERENCE :: CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#01403

HS Code	2933399090

HS Code	2933399090
Summary	2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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