sym-Trichlorobenzene
1,3,5-Trichlorobenzene
CAS: 108-70-3
Molecular Formula: C6H3Cl3
sym-Trichlorobenzene - Names and Identifiers
| Name | 1,3,5-Trichlorobenzene |
| Synonyms | 1,3,5-TCB s-Trichlorobenzene sym-Trichlorobenzene 1,3,5-Trichlorobenzene trichloro-1,3,5benzene Benzene,1,3,5-trichloro- I,3,5-TrichlorbenzolVW,16 1,3,5-TRICHLOROBENZENE PESTANAL, 250 MG |
| CAS | 108-70-3 |
| EINECS | 203-608-6 |
| InChI | InChI=1/C6H3Cl3/c7-4-1-5(8)3-6(9)2-4/h1-3H |
sym-Trichlorobenzene - Physico-chemical Properties
| Molecular Formula | C6H3Cl3 |
| Molar Mass | 181.45 |
| Density | 1.4528 (estimate) |
| Melting Point | 63 °C |
| Boling Point | 208°C(lit.) |
| Flash Point | 260°F |
| Water Solubility | Insoluble in water. |
| Solubility | Soluble in benzene, ether, ligroin (Weast, 1986), glacial acetic acid, carbon disulfide, andpetroleum ether (Windholz et al., 1983) |
| Vapor Presure | 0.58 at 25 °C (quoted, Mackay et al., 1982) |
| Appearance | powder or crystals |
| Color | Off-White |
| Merck | 14,9632 |
| BRN | 1635233 |
| Storage Condition | 0-6°C |
| Stability | Stable. Incompatible with acids, strong oxidizing agents. |
| Refractive Index | 1.5693 (estimate) |
| Physical and Chemical Properties | Character: long needle-like crystal. melting point 63.5 ℃ boiling point 208.5 ℃ solubility insoluble in water, slightly soluble in ethanol, soluble in ether. |
| Use | Can be used as a solvent for the preparation of pesticides, dyes, pharmaceuticals, electrolytes, lubricants, etc |
sym-Trichlorobenzene - Risk and Safety
| Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R36/37/38 - Irritating to eyes, respiratory system and skin. R38 - Irritating to the skin R22 - Harmful if swallowed R52/53 - Harmful 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. S36 - Wear suitable protective clothing. S36/37 - Wear suitable protective clothing and gloves. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| UN IDs | 3077 |
| WGK Germany | 3 |
| RTECS | DC2100100 |
| TSCA | Yes |
| HS Code | 29039990 |
| Hazard Note | Harmful/Irritant |
| Hazard Class | 9 |
| Packing Group | III |
| Toxicity | Drinking water standard: No MCLGs or MCLs have been proposed, however, a DWEL of 200 μg/L was recommended (U.S. EPA, 2000). |
sym-Trichlorobenzene - Upstream Downstream Industry
| Raw Materials | 2,4,6-Trichloroaniline |
sym-Trichlorobenzene - Reference Information
| Henry's Law Constant | 1.83, 2.04, 2.64, 4.49, and 5.24 at 2.0, 6.0, 10.0, 18.0, and 25.0 °C, respectively (EPICS-SPME,Dewulf et al., 1999) |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| purpose | used in organic synthesis and as a solvent can be used as a solvent for the preparation of pesticides, dyes, pharmaceuticals, electrolyte, lubricating oil, etc. used in organic synthesis, pesticide and dye synthesis. |
| production method | 1. The dried HCH was heated in a pyrolysis kettle to obtain trichlorobenzene, and a large amount of hydrogen chloride was by-produced. Alkali hydrolysis of Six Six Six non-toxic body and milk of lime heat that is obtained trichlorobenzene, while by-products a large number of calcium chloride solution. Trichlorobenzene obtained by the above two methods is 1,2, 4-trichlorobenzene; 1,3, 5-trichlorobenzene; 1,2, 3-trichlorobenzene three kinds of isomers mixture, 1,2,4-trichlorobenzene as the main component. The content of 1,2, 4-trichlorobenzene in trichlorobenzene produced by milk of lime method is more than 75%, and 1,2, 3-trichlorobenzene accounts for about 20%. |
| category | pesticide |
| toxicity grade | poisoning |
| Acute toxicity | oral-rat LD50: 800 mg/kg; Oral-mouse LD50:3350 mg/kg |
| flammability hazard characteristics | open flame flammability; Toxic chloride fumes from combustion |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; It is stored separately from food additives |
| extinguishing agent | water mist, foam, carbon dioxide, sand. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 20:52:54
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View History
sym-Trichlorobenzene
Chromium(III) hydrous oxide
16440-97-4
11097-74-8
2243-83-6
1-Cyclohexylhexadecane
277-10-1
85711-76-8
thiophenol
401-81-0
Chromium(III) hydrous oxide
16440-97-4
11097-74-8
2243-83-6
1-Cyclohexylhexadecane
277-10-1
85711-76-8
thiophenol
401-81-0
Raw Materials for sym-Trichlorobenzene