Introduction：Basic information about CAS 4837-20-1|4-(Difluoromethoxy)benzoic acid, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 4-(Difluoromethoxy)benzoic acid |
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| CAS Number | 4837-20-1 | Molecular Weight | 188.128 |
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| Density | 1.4±0.1 g/cm3 | Boiling Point | 272.1±30.0 °C at 760 mmHg |
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| Molecular Formula | C8H6F2O3 | Melting Point | 169-171 °C(lit.) |
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| MSDS | ChineseUSA | Flash Point | 118.3±24.6 °C |
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| Symbol |
GHS07 | Signal Word | Warning |
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Names
| Name | 4-(Difluoromethoxy)benzoic acid |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.4±0.1 g/cm3 |
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| Boiling Point | 272.1±30.0 °C at 760 mmHg |
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| Melting Point | 169-171 °C(lit.) |
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| Molecular Formula | C8H6F2O3 |
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| Molecular Weight | 188.128 |
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| Flash Point | 118.3±24.6 °C |
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| Exact Mass | 188.028503 |
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| PSA | 46.53000 |
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| LogP | 2.14 |
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| Vapour Pressure | 0.0±0.6 mmHg at 25°C |
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| Index of Refraction | 1.497 |
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| InChIKey | BSNNYLYELGBSBA-UHFFFAOYSA-N |
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| SMILES | O=C(O)c1ccc(OC(F)F)cc1 |
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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 | R36/37/38 |
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| Safety Phrases | S26-S36 |
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| RIDADR | NONH for all modes of transport |
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| WGK Germany | 3 |
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| HS Code | 2918990090 |
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Customs
| HS Code | 2918990090 |
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| Summary | 2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
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Articles1
More Articles
| Synthetic Applications of Difluorocarbene I. The Preparation of Some Aryl Difluoromethyl Ethers, Thioethers and Sulphones.De Cat A, et al. Bull. Soc. Chim. Belg. 74(5-6) , 270-80, (1965)
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Synonyms
| QVR DOYFF |
| MFCD00221454 |
| Benzoic acid, 4-(difluoromethoxy)- |
| 4-(Difluoromethoxy)benzoic acid |
