Henan Tianfu Chemical Co., Ltd.
China
Product Name: Barbituric acid_
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

Zhongshan Xingrui Chemical Co. , Ltd.
China
Product Name: Barbituric acid
Price: ￥Inquiry/25kg
Purity: 99.0%
Stocking Period: Inquiry
Contact: Wang Jie
Email: 3096638339@qq.com

67-52-7

67-52-7 structure

Name: Barbituric acid
Chemical Name: barbituric acid
CAS Number: 67-52-7
Molecular Formula: C₄H₄N₂O₃
Molecular Weight: 128.086
Catalog: Organic raw materials Alkyl ureas and their derivatives and salts
Create Date: 2018-04-03 08:00:00
Modify Date: 2026-07-01 12:13:12

Name	barbituric acid
Synonyms	PYRIMIDINE TRIONE 2,4,6-Pyrimidinetrione(1H,3H,5H) Pyrimidinetriol BbituricAcidForSynthesis BBITURIC ACID CRYSTALLINE Fluorouracil Related Compound A (Pyrimidine-2,4,6(1H,3H,5H)-trione) Bbitursure 2，4，6-Trihydroxypyrimidine(Bbituric acid) 2,4,6-Trihydroxypyridine 1,2,3,4,5,6-Hexahydro-2,4,6-pyriMidinetrione Bbituric Acid BbituricAcid-(Malonylurea,-6,Trihydroxypyrimidine) ARBIBTONE ACID Fluorouracil Impurity 1（Fluorouracil Impurity A） PyriMidine-2,4,6-triol 4,6-Dihydroxy-2(5H)-pyrimidinone Bbituric acid Solution, 100ppm BIBTONE ACID 2,4,6-Trihydroxypyrimidine, Malonylurea Balonylurea acid Tragliptin Stter 1 Impurity 3 Bbituric acid Solution, 1000ppm T6VMVMV FHJ 2,4,6(1H,3H,5H)-PYRIMIDINETRIONE Hexahydropyrimidine-2,4,6-trione Urea, N,N'-(1,3-dioxo-1,3-propanediyl) barbituric 2,4,6-Trioxohexahydropyrimidine Pyrimidin-2,4,6(1H,3H,5H)-trion LABOTEST-BB LT00891695 2,4,6(1H,3H,5H)-Pyrimidinetrione 2,4,6-TRIHYDROXYPYRIMIDINE 2,4,6-pyrimidinetrione Bbituric acid, R 2,4,6-Trihydroxypyrimidine EINECS 200-658-0 BBITURIC ACID REAGENTPLUS(TM) BBITURIC ACID, REAGENTPLUS S ACID ( OTHER DERIVATIVES OF MALONYLURIA BarbituricAcidGr Bbituric acid,2,4,6-Trihydroxypyrimidine, Malonylurea Barbitursure N,N'-MALONYLUREA Fluorouracil Impurity A Malonylurea pyrimidinetriol 2,4,6-Pyrimidinetrione BBITURIC ACID FOR ANALYTICAL PURPOSE pyrimidine-2,4,6-trione 2,4,6-trihydroxy-1,3-diazine BBITURIC ACID, BBITURIC ACID, BBITURIC ACID, BBITURIC ACID 2,4,6(1H,3H,5H)-Pyrimidinetrione (9CI) 6-Hydroxyuracil MFCD00006666 BBITURIC ACID, FOR THE DETERMINATION O F CYANIDE BBITURIC ACID FOR ANALYSIS EMSURE 6-hydroxy-hydrouraci SPECS AG-670 Bbituric Acid [for Colorimetric Analysis of Furfural Derivatives] pyrimidine-2,4,6 trione Fluorouracil Related CoMpound A 2,4,6-Pyrimidinetriol Babituric acid dihydrate BbituricAcid 6-HYDROXYURACIL MALONYLUREA pyrimidine-2,4,6(1H,3H,5H)-trione Bbituric acid ReagentPlus(R) Babituric acid bbituric TIMTEC-BB SBB004242

Density	1.8±0.1 g/cm3
Boiling Point	372.7±25.0 °C at 760 mmHg
Melting Point	248-252 °C (dec.)(lit.)
Molecular Formula	C₄H₄N₂O₃
Molecular Weight	128.086
Flash Point	179.2±23.2 °C
Exact Mass	128.022186
PSA	75.27000
LogP	-1.72
Vapour Pressure	0.0±1.9 mmHg at 25°C
Index of Refraction	1.709
Water Solubility	142 g/L (20 ºC)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: CP8000000

CHEMICAL NAME :: Barbituric acid

CAS REGISTRY NUMBER :: 67-52-7

LAST UPDATED :: 199710

DATA ITEMS CITED :: 6

MOLECULAR FORMULA :: C4-H4-N2-O3

MOLECULAR WEIGHT :: 128.10

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >5 gm/kg

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

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 18,185,1971

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 505 mg/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: 106,504,1986 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 81718 No. of Facilities: 28 (estimated) No. of Industries: 1 No. of Occupations: 2 No. of Employees: 700 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 81718 No. of Facilities: 79 (estimated) No. of Industries: 4 No. of Occupations: 5 No. of Employees: 3529 (estimated) No. of Female Employees: 1481 (estimated)

Hazard Codes	Xi
Risk Phrases	R36/37/38
Safety Phrases	S24/25
WGK Germany	1
RTECS	CP8000000
HS Code	2933520000

Precursor 9
57-13-6 105-53-3 504-17-6 141-82-2
873-83-6 100-52-7 1190-39-2 511-67-1
699-40-1
DownStream 10
111709-57-0 109480-64-0 3764-01-0 14077-84-0
141266-44-6 14167-75-0 480-68-2 50270-27-4
504-07-4 4270-27-3

HS Code	2933520000
Summary	HS: 2933520000. pyrimidine-2,4,6(1h,3h,5h)-trione. VAT:17.0%. tax rebate rate:9.0%. supervision conditions:None. MFN tarrif:6.5%. general tariff:20.0%

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