2-methyl-1,3-dinitrobenzene
2,6-Dinitrotoluene
CAS: 606-20-2
Molecular Formula: C7H6N2O4
2-methyl-1,3-dinitrobenzene - Names and Identifiers
| Name | 2,6-Dinitrotoluene |
| Synonyms | 2,6-DNT 2,6-dinitro-toluen Rcra waste number U106 1-Methyl-2,6-dinitrobenzene 2-methyl-1,3-dinitrobenzene 2-Methyl-1,3-dinitro-benzene |
| CAS | 606-20-2 |
| EINECS | 210-106-0 |
| InChI | InChI=1/C7H6N2O4/c1-5-6(8(10)11)3-2-4-7(5)9(12)13/h2-4H,1H3 |
2-methyl-1,3-dinitrobenzene - Physico-chemical Properties
| Molecular Formula | C7H6N2O4 |
| Molar Mass | 182.13 |
| Density | 1.2833 |
| Melting Point | 56-61°C(lit.) |
| Boling Point | 300°C |
| Flash Point | 207°C |
| Water Solubility | 0.0182 g/100 mL |
| Solubility | Soluble in ethanol (Weast, 1986) and many other organic solvents including chloroform andcarbon tetrachloride. |
| Vapor Presure | 3.5(x 10-4 mmHg) at 20 °C (quoted, Howard, 1989)5.67(x 10-4 mmHg) at 25 °C (Banerjee et al., 1990) |
| BRN | 2052046 |
| Storage Condition | 2-8°C |
| Stability | Stable, but shock sensitive. Incompatible with oxidizing agents, reducing agents, strong bases. Heating may cause explosion. |
| Refractive Index | 1.4790 |
| Physical and Chemical Properties | Light yellow needle-like crystals. Melting point of 66 deg C, boiling point of 300 deg C, the relative density of 1.2833. Soluble in ethanol. Can be volatilized with water vapor. |
| Use | Mainly used in the synthesis of medicines, dyes, coatings and other fine chemicals |
2-methyl-1,3-dinitrobenzene - Risk and Safety
| Risk Codes | R45 - May cause cancer R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. R48/22 - Harmful danger of serious damage to health by prolonged exposure if swallowed. R52/53 - Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R62 - Possible risk of impaired fertility R68 - Possible risk of irreversible effects R39/23/24/25 - R11 - Highly Flammable R36 - Irritating to the eyes R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. |
| Safety Description | S53 - Avoid exposure - obtain special instructions before use. 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. S456 - S36/37 - Wear suitable protective clothing and gloves. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S16 - Keep away from sources of ignition. |
| UN IDs | UN 3454 6.1/PG 2 |
| WGK Germany | 3 |
| RTECS | XT1925000 |
| TSCA | Yes |
| HS Code | 29049090 |
| Hazard Class | 6.1 |
| Packing Group | II |
| Toxicity | Acute oral LD50 for mice 621 mg/kg, rats 177 mg/kg (quoted, RTECS, 1985). |
2-methyl-1,3-dinitrobenzene - Reference Information
| (IARC) carcinogen classification | 2B (Vol. 65) 1996 |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | a mixture of 2, 4-dinitrotoluene and 2, 6-dinitrotoluene is widely used in industry, toluene diisocyanate (TDI) is produced by reduction to 2,6/2, 4-diaminotoluene followed by phosgenation. It can also be used in other organic synthesis. used in organic synthesis and preparation of explosives mainly used in the synthesis of pharmaceuticals, dyes, coatings and other fine chemicals |
| production method | is obtained by nitration of O-nitrotoluene with mixed acid. The production process was the same as for 2, 4-dinitrotoluene. |
| category | toxic substances |
| toxicity grade | high toxicity |
| Acute toxicity | oral-rat LD50: 177 mg/kg; Oral-mouse LD50: 621 mg/kg |
| stimulation data | Skin-rabbit 500 mg/24 h mild |
| explosive hazard characteristics | explosive mixture with oxidant |
| flammability hazard characteristics | open flame flammable; Thermal decomposition of toxic nitrogen oxide gases |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; Separate from oxidant, reductant and acid |
| fire extinguishing agent | carbon dioxide, sand, foam |
| Occupational Standard | TWA 1.5 mg/m3 |
| 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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