Benzolphosphonsαure
Phenylphosphonic acid
CAS: 1571-33-1
Molecular Formula: C6H7O3P
Benzolphosphonsαure - Names and Identifiers
| Name | Phenylphosphonic acid |
| Synonyms | PPOA phenylphosphonate Benzolphosphonsαure phenyl-phosphonicaci Phenylphosphonic acid Phosphonicacid,phenyl- PHENYL PHOSPHODICHLORIDATE Dihydrogenphenylphosphonate dioxido-oxo-phenylphosphorane PHOSPHORIC ACID PHENYL ESTER DICHLORIDE |
| CAS | 1571-33-1 |
| EINECS | 216-388-1 |
| InChI | InChI=1/C6H7O3P/c7-10(8,9)6-4-2-1-3-5-6/h1-5H,(H2,7,8,9)/p-2 |
Benzolphosphonsαure - Physico-chemical Properties
| Molecular Formula | C6H7O3P |
| Molar Mass | 158.09 |
| Density | 1.412g/mLat 25°C(lit.) |
| Melting Point | 162-164 °C (lit.) |
| Boling Point | 241-243°C(lit.) |
| Flash Point | >230°F |
| Water Solubility | 40.4 g/100 mL (25 ºC) |
| Vapor Presure | 0-0Pa at 20-25℃ |
| Appearance | White crystalline powder |
| Color | White to off-white |
| BRN | 2245168 |
| pKa | pK1:1.83;pK2:7.07 (25°C) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | n20/D 1.523(lit.) |
| MDL | MFCD00002136 |
| Physical and Chemical Properties | Colorless leaf-like crystals. Melting point 165 degrees C, relative density (20/4 degrees C) 1.475. Soluble in water, soluble in alcohol, ether and acetone, insoluble in benzene and carbon tetrachloride. |
Benzolphosphonsαure - Risk and Safety
| Risk Codes | R34 - Causes burns R37 - Irritating to the respiratory system R41 - Risk of serious damage to eyes R37/38 - Irritating to respiratory system and skin. R22 - Harmful if swallowed R38 - Irritating to the skin |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S39 - Wear eye / face protection. S37/39 - Wear suitable gloves and eye/face protection S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| UN IDs | UN 3265 8/PG 2 |
| WGK Germany | 3 |
| RTECS | TD4393000 |
| FLUKA BRAND F CODES | 10 |
| TSCA | Yes |
| HS Code | 29319090 |
| Hazard Class | 8 |
| Packing Group | III |
Benzolphosphonsαure - Reference Information
| LogP | -3.3-0.086 at 20-25℃ and pH4-7 |
| surface tension | 71.2mN/m at 1g/L and 20 ℃ |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | phenylphosphonic acid compounds are widely used in pesticide production. the newly developed use is as an intermediate of antifouling coating, used in the manufacture of anti-fouling agents, catalysts, etc. is a synthetic pyrethroid insecticide, which has the effects of contact killing and stomach toxicity. It has a wide insecticidal spectrum, quick knockdown, and a long duration. It has a good killing effect on a variety of lepidopteran larvae. It can also effectively control certain underground pests and has a rejection effect on certain adults |
| Production method | is obtained by hydrolysis of phenylphosphonyl dichloride. |
Last Update：2024-04-09 21:01:54
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