Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4(1H)-Pyrimidinone,tetrahydro-3-octyl-2-thioxo-
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Purity: 98.0%
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5540-66-9

5540-66-9 structure

5540-66-9 structure

Name: 4(1H)-Pyrimidinone,tetrahydro-3-octyl-2-thioxo
Chemical Name: 3-octyl-2-sulfanylidene-1,3-diazinan-4-one
CAS Number: 5540-66-9
Molecular Formula: C₁₂H₂₂N₂OS
Molecular Weight: 242.38100
Create Date: 2016-12-26 09:25:14
Modify Date: 2025-08-25 15:54:01

Name	3-octyl-2-sulfanylidene-1,3-diazinan-4-one
Synonyms	Hydrouracil,3-octyl-2-thio 5,6-Dihydro-3-octyl-2-thiouracil

Density	1.07g/cm3
Boiling Point	332.7ºC at 760mmHg
Molecular Formula	C₁₂H₂₂N₂OS
Molecular Weight	242.38100
Flash Point	155ºC
Exact Mass	242.14500
PSA	64.43000
LogP	2.72040
Index of Refraction	1.538

CHEMICAL IDENTIFICATION

RTECS NUMBER :: MX9282500

CHEMICAL NAME :: Hydrouracil, 3-octyl-2-thio-

CAS REGISTRY NUMBER :: 5540-66-9

BEILSTEIN REFERENCE NO. :: 0784739

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C12-H22-N2-O-S

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 :: 320 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#03535

HS Code	2933599090

HS Code	2933599090
Summary	2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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