QEWYKACRFQMRMB-UHFFFAOYSA-N
Fluoroacetic acid
CAS: 144-49-0
Molecular Formula: C2H3FO2
QEWYKACRFQMRMB-UHFFFAOYSA-N - Names and Identifiers
| Name | Fluoroacetic acid |
| Synonyms | C06108 Un 2642 Fluoroacetic acid 2-fluoroaceticacid 2-Fluoroacetic acid RARECHEM AL BO 1262 Acetic acid, fluoro- QEWYKACRFQMRMB-UHFFFAOYSA-N |
| CAS | 144-49-0 |
| EINECS | 205-631-7 |
QEWYKACRFQMRMB-UHFFFAOYSA-N - Physico-chemical Properties
| Molecular Formula | C2H3FO2 |
| Molar Mass | 78.04 |
| Density | 1.3693 |
| Melting Point | 33°C |
| Boling Point | 165°C |
| Water Solubility | 50mg/L(20 ºC) |
| pKa | 2.6(at 25℃) |
| Physical and Chemical Properties | Colorless needle crystals. |
QEWYKACRFQMRMB-UHFFFAOYSA-N - Risk and Safety
| Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R35 - Causes severe burns R50 - Very Toxic to aquatic organisms R28 - Very Toxic if swallowed |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S22 - Do not breathe dust. S20 - When using, do not eat or drink. |
| UN IDs | 2642 |
| Hazard Class | 6.1(a) |
| Packing Group | I |
| Toxicity | LD50 oral in rat: 4680ug/kg |
QEWYKACRFQMRMB-UHFFFAOYSA-N - References
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | direct use is rare. The main use of its sodium salt as a racemic drug (rats oral LD 50 220g/kg, subcutaneous injection of LD50 5 mg/kg. Toxic to humans, poultry and livestock). Its esters such as fluoroacetic acid methyl ester, mouse oral LD50 6-10mg/kg, fluoroethyl acetate also has the same toxicity. |
| production method | 1. Using chloroacetic acid as raw material, potassium fluoride and its reaction; 2. With the industrial production of sodium fluoroacetate and sulfuric acid mixed distillation obtained. |
| category | corrosive article |
| toxicity grade | highly toxic |
| Acute toxicity | oral-rat LD50: 4.68 mg/kg; Oral-mouse LD50: 7 mg/kg |
| flammability hazard characteristics | flammable; Thermally decomposed toxic fluoride gas |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; It is stored separately from oxidants and alkalis. |
| fire extinguishing agent | Sand, foam, water mist, carbon dioxide |
| Occupational Standard | TLV-TWA 2 PPM (6 mg/m3); Tel 15 PPM (45 mg/m3) |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 20:49:11
