58-90-2
2,3,4,6-Tetrachlorophenol
CAS: 58-90-2
Molecular Formula: C6H2Cl4O
58-90-2 - Names and Identifiers
| Name | 2,3,4,6-Tetrachlorophenol |
| Synonyms | dowicide6 2,3,4,6-TECP rcrawastenumberu212 2,3,4,6-Tetrachlorophenol Phenol, 2,3,4,6-tetrachloro- |
| CAS | 58-90-2 |
| EINECS | 200-402-8 |
| InChI | InChI=1/C6H2Cl4O/c7-2-1-3(8)6(11)5(10)4(2)9/h1,11H |
58-90-2 - Physico-chemical Properties
| Molecular Formula | C6H2Cl4O |
| Molar Mass | 231.89 |
| Density | 1,839 g/cm3 |
| Melting Point | 63-66°C |
| Boling Point | 164°C 23mm |
| Flash Point | 11°C |
| Water Solubility | 183.2mg/L(25 ºC) |
| Appearance | neat |
| BRN | 779754 |
| pKa | 5?+-.0.28(Predicted) |
| Storage Condition | 2-8°C |
| Stability | Stable. Probably non-flammable. |
| Refractive Index | 1.5133 (estimate) |
58-90-2 - Risk and Safety
| Risk Codes | R25 - Toxic if swallowed R36/38 - Irritating to eyes and skin. R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R52/53 - Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R39/23/24/25 - R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. R11 - Highly Flammable R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S28 - After contact with skin, wash immediately with plenty of soap-suds. S37 - Wear suitable gloves. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S60 - This material and its container must be disposed of as hazardous waste. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S36/37 - Wear suitable protective clothing and gloves. S16 - Keep away from sources of ignition. S7 - Keep container tightly closed. |
| UN IDs | 2020 |
| WGK Germany | 3 |
| RTECS | SM9275000 |
| Hazard Class | 6.1(b) |
| Packing Group | III |
58-90-2 - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | arsenic atomic absorption standard sample Chinese alias 2,3,4, 6-tetrachlorophenol, can be used as an intermediate in pharmaceutical synthesis. Chlorophenols are a kind of typical "three-causing (carcinogenic, teratogenic, mutagenic)" organic pollutants, which are widely used in the production of preservatives, dyes, herbicides and pesticides. |
| detection | matrix dispersion-magnetic solid phase extraction enrichment and detection of trace chlorophenol pollutants in seawater using molecularly imprinted magnetic composites. remove 40mL of seawater sample solution and place it in a 150mL flat-bottomed flask, adjust the pH value of the solution to 3.0, add 20mg molecularly imprinted magnetic composite material, oscillate at 150 r/min minutes at 308K for 5min, magnetically separate, and pour out the upper layer solution. Then add 1 mL1%NaOH methanol solution swirl for 4min for desorption, magnetic separation, suck the supernatant, nitrogen blowing to dry, dissolved in 200 μL methanol, liquid chromatography analysis. The analysis conditions of liquid chromatography are: C18 reversed-phase liquid chromatography column (4.5mm × 250mm,5 μm); Mobile phase: A: acetonitrile solution; B:5mmol/L ammonium acetate aqueous solution; Gradient elution procedure: 0~5min,35% A ~ 90% A;5~7min,90% A;7~10min,90% A ~ 35% A;10~12min,35% a. Injection volume: 20 μL; Column temperature: 30 ℃. Ultraviolet detection wavelength: 254nm. |
| category | pesticide |
| toxicity classification | highly toxic |
| acute toxicity | oral administration-rat LD50: 140 mg/kg; Abdominal cavity-mouse LDL0: 250 mg/kg |
| flammability hazard characteristics | combustible; combustion releases toxic chloride smoke |
| storage and transportation characteristics | warehouse ventilation and low temperature drying; Store separately from oxidants and food additives |
| fire extinguishing agent | mist water, foam, carbon dioxide, sand |
| occupational standard | TWA 0.5 mg/m3; STEL 1.5 mg/m3 |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-10 22:29:15
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