Home >> Product >> Benzene ring series >> m-Toluidine
- Product Name: m-Toluidine
- Synonyms: Between toluidine;AKOS BBS-00003559;3-METHYLALANINE;3-METHYLANILINE
- CAS No.: 108-44-1
- Molecular Formula: C7H9N
- Molecular Weight : 107.15
- Specification : 98%
- Place of Origin: China
- Appearance :
- Document : Download
Description of m-Toluidine
| m-Toluidine Chemical Properties | |
| Melting point | -30 °C |
| Boiling point | 203-204 °C(lit.) |
| density | 0.999 g/mL at 25 °C(lit.) |
| refractive index | n |
| Fp | 186 °F |
| storage temp. | Refrigerator |
| solubility | 0.2 g/100 mL (20°C) |
| pka | 4.73(at 25℃) |
| form | Crystalline Solid or Liquid |
| color | White |
| PH | 7 (H2O, 20℃) |
| Water Solubility | 0.2 g/100 mL (20 ºC) |
| Merck | 14,9536 |
| BRN | 635944 |
| CAS DataBase Reference | 108-44-1(CAS DataBase Reference) |
| NIST Chemistry Reference | Benzenamine, 3-methyl-(108-44-1) |
| EPA Substance Registry System | Benzenamine, 3-methyl-(108-44-1) |
| Safety Information | |
| Hazard Codes | T,N |
| Risk Statements | 45-23/24/25-33-50 |
| Safety Statements | 53-28-36/37-45-61-28A |
| RIDADR | UN 1708 6.1/PG 2 |
| WGK Germany | 2 |
| RTECS | XU2800000 |
| F | 8-23 |
| Hazard Note | Toxic |
| TSCA | Yes |
| HazardClass | 6.1 |
| PackingGroup | II |
| HS Code | 29171990 |
| HS Code | 29214300 |
| Hazardous Substances Data | 108-44-1(Hazardous Substances Data) |
| m-Toluidine Usage And Synthesis | |
| Chemical Properties | Colorless liquid. Slightly soluble in water; soluble in alcohol or ether. Combustible. |
| Uses | Dyes, manufacture of organic chemicals. |
| General Description | A clear colorless liquid. Flash point below 200°F. Vapors heavier than air. Toxic by inhalation, ingestion, and skin absorption in high concentrations or under prolonged exposures. Used in the manufacture of organic chemicals. Density about 8 lb / gal. |
| Reactivity Profile | m-Toluidine neutralizes acids in exothermic reactions to form salts plus water. May be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. May generate hydrogen, a flammable gas, in combination with strong reducing agents such as hydrides. Can react vigorously with oxidizing reagents. Emits toxic fumes of oxides of nitrogen when heated to decomposition [Lewis, 3rd ed., 1993, p. 1253]. |
| Health Hazard | Absorption of toxic quantities by any route causes cyanosis (blue discoloroation of lips, nails, skin); nausea, vomiting, and coma may follow. Repeated inhalation of low concentrations may cause pallor, low-grade secondary anemia, fatigability, and loss of appetite. Contact with eyes causes irritation. |
| Fire Hazard | Special Hazards of Combustion Products: Toxic oxides of nitrogen and flammable vapors may form in fire. |
| Purification Methods | It can be purified as for aniline. Twice-distilled, m-toluidine is converted to the hydrochloride using a slight excess of HCl, and the salt is fractionally crystallised from 25% EtOH (five times), and from distilled water (twice), rejecting, in each case, the first material that crystallised out. The amine is regenerated and distilled as for o-toluidine. The benzoyl derivative has m 125o (from EtOH). [Berliner & May J Am Chem Soc 49 1007 1927, Beilstein 12 H 853, 12 I 397, 12 II 463, 12 III 1949, 12 IV 1813.] |
| m-Toluidine Preparation Products And Raw materials | |
| Preparation Products | 4'-BROMO-3'-METHYLACETANILIDE-->7-Quinolinecarboxylic acid-->DIRECT YELLOW 50-->3-((Methoxycarbonyl)amino)phenyl (3-methylphenyl)carbamate-->7-Methylquinoline-->1-(3-METHYLPHENYL)PIPERAZINE-->2-(TRIFLUOROMETHYL)-5-METHYLQUINOLINE-4-CARBOXYLIC ACID-->hydrogen [4-[[4-(diethylamino)phenyl][4-[ethyl[(3-sulphonatobenzyl)amino]-o-tolyl]methylene]-3-methylcyclohexa-2,5-dien-1-ylidene](ethyl)(3-sulphonatobenzyl)ammonium, sodium salt -->3-Chlorotoluene-->5-Methyl-1H-benzotriazole-->Quinoline-7-carbaldehyde-->N-Ethyl-3-methylaniline-->2-OXAZOLIDINONE, 5-(HYDROXYMETHYL)-3-(3-METHYLPHENYL)--->Direct Yellow 86-->3-Fluorotoluene-->sodium 3-[[4-(benzoylethylamino)-2-methylphenyl]azo]-4-hydroxynaphthalene-1-sulphonate -->Reactive Yeiiow M-3RE-->N,N-Diethyl-m-toluidine-->Solvent Blue 63-->3-Fluorobenzotrifluoride-->Solvent Red 25-->n-benzyl-m-toluidine -->Reactive Yellow 4 |
| Raw materials | 4-Nitrotoluene-->SODIUM SULPHIDE HYDRATE-->3-Nitrotoluene |
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