Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2,4,6(1H,3H,5H)-Pyrimidinetrione,5,5-diethyl-1-phenyl-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
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357-67-5

357-67-5 structure

357-67-5 structure

Name: 2,4,6(1H,3H,5H)-Pyrimidinetrione,5,5-diethyl-1-phenyl-
Chemical Name: 5,5-diethyl-1-phenyl-1,3-diazinane-2,4,6-trione
CAS Number: 357-67-5
Molecular Formula: C₁₄H₁₆N₂O₃
Molecular Weight: 260.28800
Create Date: 2018-04-24 08:00:00
Modify Date: 2025-08-23 22:13:59

Name	5,5-diethyl-1-phenyl-1,3-diazinane-2,4,6-trione
Synonyms	5,5-diethyl-1-phenylbarbituric acid 5,5-diethyl-1-phenyl-pyrimidine-2,4,6-trione 5,5-diethyl-1-phenyl-2,4,6(1H,3H,5H)-pyrimidinetrione Phenylbarbital Phenidiemalum N-Phenylbarbital N-Phenylbarbitone Phenetharbital Fedibaretta Phenidiemal Pyrictal 5.5-Diaethyl-1-phenyl-barbitursaeure phetharbital Phenylbarbitone

Density	1.178g/cm3
Molecular Formula	C₁₄H₁₆N₂O₃
Molecular Weight	260.28800
Exact Mass	260.11600
PSA	66.48000
LogP	2.46960
Index of Refraction	1.535

CHEMICAL IDENTIFICATION

RTECS NUMBER :: CQ3774000

CHEMICAL NAME :: Barbituric acid, 5,5-diethyl-1-phenyl-

CAS REGISTRY NUMBER :: 357-67-5

BEILSTEIN REFERENCE NO. :: 0243367

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C14-H16-N2-O3

MOLECULAR WEIGHT :: 260.32

WISWESSER LINE NOTATION :: T6VMVNV FHJ DR& F2 F2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 300 mg/kg

TOXIC EFFECTS :: Behavioral - tremor Behavioral - excitement

REFERENCE :: JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 35,155,1929

RIDADR	UN 3249
Packaging Group	III
Hazard Class	6.1(b)
HS Code	2933540000

64-10-8 structure

64-10-8

77-25-8 structure

77-25-8

~27%

357-67-5 structure

357-67-5

Literature: Arai; Tamura; Kawai; Nakajima Chemical and Pharmaceutical Bulletin, 1989 , vol. 37, # 11 p. 3117 - 3118

Precursor 2
64-10-8 77-25-8
DownStream 0

HS Code	2933540000
Summary	2933540000 other derivatives of malonylurea (barbituric acid); salts thereof。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:20.0%

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