Introduction：Basic information about CAS 67-52-7|Barbituric acid, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | Barbituric acid |
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| CAS Number | 67-52-7 | Molecular Weight | 128.086 |
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| Density | 1.8±0.1 g/cm3 | Boiling Point | 372.7±25.0 °C at 760 mmHg |
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| Molecular Formula | C4H4N2O3 | Melting Point | 248-252 °C (dec.)(lit.) |
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| MSDS | / | Flash Point | 179.2±23.2 °C |
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Names
| Name | barbituric acid |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.8±0.1 g/cm3 |
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| Boiling Point | 372.7±25.0 °C at 760 mmHg |
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| Melting Point | 248-252 °C (dec.)(lit.) |
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| Molecular Formula | C4H4N2O3 |
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| Molecular Weight | 128.086 |
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| Flash Point | 179.2±23.2 °C |
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| Exact Mass | 128.022186 |
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| PSA | 75.27000 |
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| LogP | -1.72 |
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| Vapour Pressure | 0.0±1.9 mmHg at 25°C |
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| Index of Refraction | 1.709 |
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| InChIKey | HNYOPLTXPVRDBG-UHFFFAOYSA-N |
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| SMILES | O=C1CC(=O)NC(=O)N1 |
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| Water Solubility | 142 g/L (20 ºC) |
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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 DATAACUTE 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)
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Safety Information
| Hazard Codes | Xi |
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| Risk Phrases | R36/37/38 |
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| Safety Phrases | S24/25 |
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| WGK Germany | 1 |
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| RTECS | CP8000000 |
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| HS Code | 2933520000 |
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Customs
| HS Code | 2933520000 |
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| 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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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 |
