Introduction：Basic information about CAS 4755-81-1|Methyl 2-chloroacetoacetate, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | Methyl 2-chloroacetoacetate |
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| CAS Number | 4755-81-1 | Molecular Weight | 150.56000 |
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| Density | 1.236 g/mL at 25 °C(lit.) | Boiling Point | 137 °C(lit.) |
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| Molecular Formula | C5H7ClO3 | Melting Point | −33-−32.7 °C(lit.) |
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| MSDS | ChineseUSA | Flash Point | 161 °F |
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| Symbol |
GHS07 | Signal Word | Warning |
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Names
| Name | Methyl 2-chloroacetoacetate |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.236 g/mL at 25 °C(lit.) |
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| Boiling Point | 137 °C(lit.) |
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| Melting Point | −33-−32.7 °C(lit.) |
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| Molecular Formula | C5H7ClO3 |
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| Molecular Weight | 150.56000 |
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| Flash Point | 161 °F |
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| Exact Mass | 150.00800 |
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| PSA | 43.37000 |
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| LogP | 0.35580 |
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| Index of Refraction | n20/D 1.446(lit.) |
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| InChIKey | GYQRIAVRKLRQKP-UHFFFAOYSA-N |
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| SMILES | COC(=O)C(Cl)C(C)=O |
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| Storage condition | 2~8°C |
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| Water Solubility | 50 g/L (20 ºC) |
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Safety Information
| Symbol |
GHS07 |
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| Signal Word | Warning |
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| Hazard Statements | H302 + H312 + H332-H315-H319-H335 |
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| Precautionary Statements | P261-P280-P305 + P351 + P338 |
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| Personal Protective Equipment | Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter |
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| Hazard Codes | Xn: Harmful; |
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| Risk Phrases | R22;R36/37/38 |
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| Safety Phrases | S26-S27-S28-S36/37/39-S37/39 |
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| RIDADR | UN 2810 6.1/PG 3 |
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| WGK Germany | 3 |
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| Packaging Group | III |
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| Hazard Class | 8 |
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| HS Code | 29183000 |
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Customs
| HS Code | 2918300090 |
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| Summary | 2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
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Articles2
More Articles
| Chemoselective arylamidine cyclizations: mild formation of 2-arylimidazole-4-carboxylic acids. Org. Lett. 7(17) , 3801-3, (2005) A versatile, one-pot synthesis of 2-arylimidazole-4-carboxylic acids from arylamidines and methyl-2-chloroacetoacetate is described. The transformation is chemoselective, and reaction conditions are m... | |
| 'One-flask'synthesis to 3, 5-disubstituted 1, 2, 4-triazoles from aldehydes with hydrazonoyl hydrochlorides via 1, 3-dipolar cycloaddition. Tseng W-C, et al. Tetrahedron 67(29) , 5339-45, (2011)
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Synonyms
| 2-Chloroacetoacetic Acid Methyl Ester |
| MFCD00008757 |
| Methyl 2-Chloroacetoacetate |
| methyl 2-chloro-3-oxobutanoate |
| EINECS 225-286-6 |
