Introduction：Basic information about CAS 19219-99-9|5-Chloro-2-methylbenzo[d]oxazole, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 5-Chloro-2-methylbenzo[d]oxazole |
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| CAS Number | 19219-99-9 | Molecular Weight | 167.592 |
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| Density | 1.3±0.1 g/cm3 | Boiling Point | 241.6±13.0 °C at 760 mmHg |
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| Molecular Formula | C8H6ClNO | Melting Point | 55-57 °C(lit.) |
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| MSDS | / | Flash Point | 99.9±19.8 °C |
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Names
| Name | 5-chloro-2-methyl-1,3-benzoxazole |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.3±0.1 g/cm3 |
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| Boiling Point | 241.6±13.0 °C at 760 mmHg |
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| Melting Point | 55-57 °C(lit.) |
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| Molecular Formula | C8H6ClNO |
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| Molecular Weight | 167.592 |
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| Flash Point | 99.9±19.8 °C |
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| Exact Mass | 167.013794 |
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| PSA | 26.03000 |
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| LogP | 2.42 |
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| Vapour Pressure | 0.1±0.5 mmHg at 25°C |
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| Index of Refraction | 1.608 |
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| InChIKey | HJCIGAUHTJBHBQ-UHFFFAOYSA-N |
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| SMILES | Cc1nc2cc(Cl)ccc2o1 |
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Toxicological Information
CHEMICAL IDENTIFICATION - RTECS NUMBER :
- DM4790000
- CHEMICAL NAME :
- Benzoxazole, 5-chloro-2-methyl-
- CAS REGISTRY NUMBER :
- 19219-99-9
- BEILSTEIN REFERENCE NO. :
- 0120800
- LAST UPDATED :
- 199701
- DATA ITEMS CITED :
- 4
- MOLECULAR FORMULA :
- C8-H6-Cl-N-O
- MOLECULAR WEIGHT :
- 167.60
- WISWESSER LINE NOTATION :
- T56 BN DOJ C1 HG
HEALTH HAZARD DATAACUTE TOXICITY DATA - TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- >1 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- MDCHAG Medicinal Chemistry: A Series of Monographs. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1963- Volume(issue)/page/year: 4(1),339,1964
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- >2 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- MDCHAG Medicinal Chemistry: A Series of Monographs. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1963- Volume(issue)/page/year: 4(1),337,1964
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 1550 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- MDCHAG Medicinal Chemistry: A Series of Monographs. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1963- Volume(issue)/page/year: 4(1),337,1964
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Safety Information
| Hazard Codes | Xi:Irritant; |
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| Risk Phrases | R36/37/38 |
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| Safety Phrases | S26-S27-S36/37/39-S45-S36/39 |
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| RIDADR | UN 1759 8/PG 2 |
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| WGK Germany | 3 |
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| RTECS | DM4790000 |
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| Packaging Group | III |
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| Hazard Class | 8 |
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| HS Code | 29349990 |
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Customs
| HS Code | 2934999090 |
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| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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Synonyms
| 5-chloro-2-methyl-benzooxazole |
| 5-Chloro-2-methylbenzoxazole |
| Benzoxazole, 5-chloro-2-methyl- |
| 5-Chloro-2-methyl-1,3-benzoxazole |
| EINECS 242-888-4 |
| BENZOXAZOLE,5-CHLORO-2-METHYL |
| 5-Chloro-2-methylbenzo[d]oxazole |
| 2-Methyl-5-chlorobenzoxazole |
| 5-Chlor-2-methyl-benzoxazol |
| MFCD00022850 |
