4-Methyl-m-phenylenediamine
2,4-Diaminotoluene
CAS: 95-80-7
Molecular Formula: C7H11ClN2
4-Methyl-m-phenylenediamine - Names and Identifiers
| Name | 2,4-Diaminotoluene |
| Synonyms | MTD C.I.76035 C.I.Oxidation base 2,4-Diaminotoluene 2,4-Toluenediamine Toluene-2,4-diamine 2,4-Toluilenediamine C.I. Oxidation Base 35 4-methylbenzene-1,3-diamine 4-Methyl-m-phenylenediamine 4-Methyl-1,3-phenylenediamine 4-methylbenzene-1,3-diamine dihydrochloride |
| CAS | 95-80-7 |
| EINECS | 202-453-1 |
| InChI | InChI=1/C7H10N2.ClH/c1-5-2-3-6(8)4-7(5)9;/h2-4H,8-9H2,1H3;1H |
4-Methyl-m-phenylenediamine - Physico-chemical Properties
| Molecular Formula | C7H11ClN2 |
| Molar Mass | 158.629 |
| Density | 1.26 g/cm3 (20℃) |
| Melting Point | 97-101℃ |
| Boling Point | 292°C at 760 mmHg |
| Flash Point | 149.5°C |
| Water Solubility | 50 g/l (25℃) |
| Vapor Presure | 0.00188mmHg at 25°C |
| Refractive Index | 1.5103 (estimate) |
| Physical and Chemical Properties | Melting point 97-101°C boiling point 283-285°C flash point 149°C water-soluble 50g/l (25°C) |
| Use | For the preparation of TDI, sulfur dyes, basic dyes, disperse dyes, pharmaceutical intermediates and other intermediates in organic synthesis |
4-Methyl-m-phenylenediamine - Risk and Safety
| Hazard Symbols | T - Toxic N - Dangerous for the environment  |
| Risk Codes | R21 - Harmful in contact with skin R25 - Toxic if swallowed R36 - Irritating to the eyes R43 - May cause sensitization by skin contact R45 - May cause cancer R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S53 - Avoid exposure - obtain special instructions before use. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| UN IDs | UN 1709 |
4-Methyl-m-phenylenediamine - Upstream Downstream Industry
4-Methyl-m-phenylenediamine - Nature
Open Data Verified Data
colorless needle-like or rhomboid crystals. The melting point of 97~99 deg C, boiling point of 283~285 deg C. Soluble in water, ethanol and ether. Their aqueous solutions tend to turn brown in air.
Last Update：2024-01-02 23:10:35
4-Methyl-m-phenylenediamine - Safety
Open Data Verified Data
toxic. Irritation of the skin. Swallowing and inhalation of this product can cause poisoning. The human body inhales vapors every day.
Last Update：2022-01-01 10:52:09
4-Methyl-m-phenylenediamine - Uses and synthesis methods
use
Used to prepare TDI, sulfide dyes, basic dyes, disperse dyes, pharmaceutical intermediates and other organic synthesis intermediates
Intermediates in organic synthesis. Used in the production of toluene diisocyanate, dye fur black DB, sulfide yellow brown 5G, sulfide yellow brown 6G, sulfide red brown B3R, etc. The made dye can directly oxidize fur and hair to black.
is one of the raw materials for organic synthesis, which can produce toluene diisocyanate. Also used as dye intermediate, hair dyeing black
production method
P> 2, 4-dinitrotoluene is obtained by nitration of p-nitrotoluene with mixed acid, then reduced to crude product with iron powder, and then concentrated and distilled to obtain finished product. Raw material consumption quota: p-nitrotoluene 1600kg/t, sulfuric acid (98%)1616kg/t, nitric acid (98%)760kg/t, iron powder (90%)2700kg/t.category
toxic substances
toxicity classification
High toxicity
acute toxicity
abdominal robbery-rat LD50: 325 mg/kg; Abdominal cavity-mouse LD50: 480 mg/kg
stimulus data
skin-rabbit 500 mg/24 hours mild; eye-rabbit 100 mg/24 hours moderate
flammability hazard characteristics
Open flame is combustible; high heat decomposes toxic nitrogen oxide smoke
storage and transportation features
The warehouse is ventilated and dry at low temperature; it is stored separately from oxidants, food additives, and acids
fire extinguishing agent
Foam, mist water, carbon dioxide, sand
Last Update：2024-04-10 22:29:15
4-Methyl-m-phenylenediamine - Nature
| Vapor pressure | 0.017 hPa (25 °C) |
| refractive index | 1.5103 (estimate) |
| flash point | 149 °C |
| storage conditions | room temp |
| solubility | 38g/l |
| acidity coefficient (pKa) | 5.02±0.10(Predicted) |
| morphology | Powder, Crystals and/or Chunks |
| color index | 76035 |
| color | Brown to dark gray |
| water solubility | 50 g/l (25 °C) |
| BRN | 2205839 |
| exposure limit | Carcinogenicity: Animal Sufficient Evidence (IARC); no TWA assigned (because it is a carcinogen, there should be no exposure to this compound). |
| InChIKey | VOZKAJLKRJDJLL-UHFFFAOYSA-N |
| (IARC) Carcinogen Classification | 2B (Vol. 16, Sup 7) 1987 |
| NIST chemical information | 1,3-Benzenediamine, 4-methyl-(95-80-7) |
| EPA chemical information | 2,4-Toluenediamine (95-80-7) |
Last Update：2024-04-09 20:52:54
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View History
Raw Materials for 4-Methyl-m-phenylenediamine
Downstream Products for 4-Methyl-m-phenylenediamine
1,4-Diamino-2,3-dihydroanthraquinone
C.I. SULPHUR BROWN 10
4-CHLORO-2-(4-METHOXY-PHENYLAMINO)-BENZOIC ACID
Sulphur Red 6
Sulfur Yellow Brown 6G
Sulphur yellow 2
2,4-DIBROMOBENZOIC ACID
C.I. Sulphur Brown 2 (8CI)
C.I. Sulphur Red 4 (8CI)
C.I. SULPHUR BROWN 10
4-CHLORO-2-(4-METHOXY-PHENYLAMINO)-BENZOIC ACID
Sulphur Red 6
Sulfur Yellow Brown 6G
Sulphur yellow 2
2,4-DIBROMOBENZOIC ACID
C.I. Sulphur Brown 2 (8CI)
C.I. Sulphur Red 4 (8CI)