Introduction：Basic information about CAS 28456-54-4|5,6-dimethyl-2-Thiouracil, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 5,6-dimethyl-2-Thiouracil |
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| CAS Number | 28456-54-4 | Molecular Weight | 156.20600 |
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| Density | 1.29g/cm3 | Boiling Point | 347.3ºC at 760mmHg |
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| Molecular Formula | C6H8N2OS | Melting Point | 284-288ºC(lit.) |
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| MSDS | ChineseUSA | Flash Point | 163.9ºC |
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| Symbol |
GHS07 | Signal Word | Warning |
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Names
| Name | 5,6-Dimethyl-2-thiouracil |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.29g/cm3 |
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| Boiling Point | 347.3ºC at 760mmHg |
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| Melting Point | 284-288ºC(lit.) |
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| Molecular Formula | C6H8N2OS |
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| Molecular Weight | 156.20600 |
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| Flash Point | 163.9ºC |
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| Exact Mass | 156.03600 |
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| PSA | 84.81000 |
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| LogP | 1.08770 |
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| Vapour Pressure | 2.7E-05mmHg at 25°C |
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| Index of Refraction | 1.61 |
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| InChIKey | MEAKRQUSGACTFV-UHFFFAOYSA-N |
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| SMILES | Cc1[nH]c(=S)[nH]c(=O)c1C |
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Toxicological Information
CHEMICAL IDENTIFICATION - RTECS NUMBER :
- YQ9887000
- CHEMICAL NAME :
- Uracil, 5,6-dimethyl-2-thio-
- CAS REGISTRY NUMBER :
- 28456-54-4
- BEILSTEIN REFERENCE NO. :
- 0118811
- LAST UPDATED :
- 199612
- DATA ITEMS CITED :
- 1
- MOLECULAR FORMULA :
- C6-H8-N2-O-S
- MOLECULAR WEIGHT :
- 156.22
- WISWESSER LINE NOTATION :
- T6MYMVJ BUS E1 F1
HEALTH HAZARD DATAACUTE TOXICITY DATA - TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 250 mg/kg
- TOXIC EFFECTS :
- Behavioral - antipsychotic
- REFERENCE :
- CPBTAL Chemical and Pharmaceutical Bulletin. (Japan Pub. Trading Co., USA, 1255 Howard St., San Francisco, CA 94103) V.6- 1958- Volume(issue)/page/year: 6,490,1958
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Safety Information
| Symbol |
GHS07 |
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| Signal Word | Warning |
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| Hazard Statements | H315-H319-H335 |
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| Precautionary Statements | P261-P305 + P351 + P338 |
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| Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Gloves |
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| Hazard Codes | Xi: Irritant; |
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| Risk Phrases | 36/37/38 |
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| Safety Phrases | 26-36 |
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| RIDADR | NONH for all modes of transport |
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| WGK Germany | 3 |
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| RTECS | YQ9887000 |
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| HS Code | 2933599090 |
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Customs
| HS Code | 2933599090 |
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| 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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Synonyms
| 5,6-dimethyl-2-sulfanylidene-1H-pyrimidin-4-one |
| MFCD00278872 |
