CAS 71-30-7|cytosine
| Common Name | cytosine | ||
|---|---|---|---|
| CAS Number | 71-30-7 | Molecular Weight | 111.102 |
| Density | 1.6±0.1 g/cm3 | Boiling Point | 445.8ºC at 760 mmHg |
| Molecular Formula | C4H5N3O | Melting Point | >300 °C(lit.) |
| MSDS | ChineseUSA | Flash Point | 223.4ºC |
| Symbol | GHS07 | Signal Word | Warning |
Names
| Name | cytosine |
|---|---|
| Synonym | More Synonyms |
cytosine BiologicalActivity
| Description | 6-Aminopyrimidin-2(1H)-one is an organic compound that belongs to the class known as pyrimidones. |
|---|---|
| Related Catalog | Natural Products >>QuinonesResearch Areas >>Others |
| Target | Human Endogenous Metabolite |
Chemical & Physical Properties
| Density | 1.6±0.1 g/cm3 |
|---|---|
| Boiling Point | 445.8ºC at 760 mmHg |
| Melting Point | >300 °C(lit.) |
| Molecular Formula | C4H5N3O |
| Molecular Weight | 111.102 |
| Flash Point | 223.4ºC |
| Exact Mass | 111.043259 |
| PSA | 71.77000 |
| LogP | -2.29 |
| Index of Refraction | 1.689 |
| Storage condition | Store at RT. |
| Stability | Stable. Incompatible with strong oxidizing agents. |
| Water Solubility | soluble |
Toxicological Information
CHEMICAL IDENTIFICATION |
ACUTE TOXICITY DATA - TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- >2222 mg/kg
- TOXIC EFFECTS :
- Behavioral - somnolence (general depressed activity) Behavioral - changes in motor activity (specific assay)
- 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: 207,504,1978 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X3859 No. of Facilities: 14 (estimated) No. of Industries: 1 No. of Occupations: 2 No. of Employees: 312 (estimated) No. of Female Employees: 303 (estimated)
Safety Information
| Symbol | GHS07 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H315-H319-H335 |
| Precautionary Statements | P261-P305 + P351 + P338 |
| Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Gloves |
| Hazard Codes | Xi:Irritant |
| Risk Phrases | R36/37/38 |
| Safety Phrases | S26-S36 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | 1 |
| RTECS | UW7350150 |
| HS Code | 2933599090 |
Customs
| HS Code | 2933591000 |
|---|---|
| Summary | HS:2933591000 4-aminopyrimidin-2(1h)-one VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0% |
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Synonyms
| MFCD00006034 |
| Cytosin |
| EINECS 200-749-5 |
| Cytosinimine |
| Cytosine |
| 4-aminopyrimidin-2-one |
| Cyt |
| Lamivudine Impurity 5 |
| 6-Aminopyrimidin-2(1H)-one |
