Barbituric acid

Modify Date: 2024-01-02 11:06:29

Barbituric acid Structure
Barbituric acid structure
 Common Name Barbituric acid
CAS Number 67-52-7 Molecular Weight 128.086
Density 1.8±0.1 g/cm3 Boiling Point 372.7±25.0 °C at 760 mmHg
Molecular Formula C4H4N2O3 Melting Point 248-252 °C (dec.)(lit.)
MSDS N/A Flash Point 179.2±23.2 °C

 Names

Name barbituric acid
Synonym More Synonyms

 Chemical & Physical Properties

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)

 Toxicological Information

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)

 Safety Information

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

 Synthetic Route

 Customs

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%

 Synonyms

Pyrimidinetriol
Hydrouracil, 6-hydroxy-
Barbitursure
Balonylurea acid
T6VMVMV FHJ
Barbituric acid
N,N'-MALONYLUREA
barbituric
2,4,6-Trioxohexahydropyrimidine
Malonylurea
Pyrimidin-2,4,6(1H,3H,5H)-trion
2,4,6-Pyrimidinetrione
pyrimidine-2,4,6-trione
2,4,6(1H,3H,5H)-Pyrimidinetrione
ARBIBTONE ACID
4,6-Dihydroxy-2(5H)-pyrimidinone
2,4,6-Trihydroxypyrimidine
6-HYDROXYURACIL
EINECS 200-658-0
2(5H)-Pyrimidinone, 4,6-dihydroxy-
pyrimidine-2,4,6(1H,3H,5H)-trione
MFCD00006666
BarbituricAcidGr
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Related Compounds: More...
Barbituric acid sodium
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Barbituric acid sodium
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5-hexyl-barbituric acid
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5-formyl-barbituric acid
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1-heptyl-barbituric acid
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tetramethylbarbituric acid
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5-mercapto-barbituric acid
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barbituric acid, sodium salt
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{4H,6H,7H-pyrano[4,3-d][1,3]thiazol-2-yl}methanol
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[4-(Pyridin-3-yl)-1,3-thiazol-2-yl]methanol
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Propanenitrile, 3-[[(3-hydroxycyclobutyl)methyl]amino]-
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1,1,1,5,5-Pentafluoropentane-2,4-dione
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(1S)-1-(4-Chloro(2-pyridyl))ethylamine
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3-[[[1-(4-Fluorophenyl)propyl]amino]methyl]benzonitrile
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3-{[(2-Methylbutyl)amino]methyl}benzonitrile
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3-chloro-N-cyclobutyl-4-hydroxybenzamide
1249049-38-4
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