2,3-Dimethylaniline
Synonym(s):2,3-Dimethylaniline;2,3-Xylidine;3-Amino-o-xylene;CN-Cbl;vic.-o-Xylidine
- CAS NO.:87-59-2
- Empirical Formula: C8H11N
- Molecular Weight: 121.18
- MDL number: MFCD00007732
- EINECS: 201-755-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-04-23 13:52:06
What is 2,3-Dimethylaniline?
Chemical properties
brown liquid
The Uses of 2,3-Dimethylaniline
Reagent used in the preparation of non-steroidal anti-inflammatory drugs, dyes and pesticides.
General Description
Dark brown liquid.
Air & Water Reactions
Slightly soluble in water.
Reactivity Profile
2,3-Dimethylaniline reacts with strong oxidizing agents and hypochlorite bleaches . 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. Flammable gaseous hydrogen may be generated in combination with strong reducing agents, such as hydrides.
Fire Hazard
2,3-Dimethylaniline is combustible.
Safety Profile
A poison. Moderately toxic by ingestion. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx. See also other xylidine entries.
Purification Methods
Purify vic-xylidine by conversion into a derivative (see below), recrystallise the derivative, decompose the derivative with aqueous NaOH and fractionally distil the liquid base. The acetyl derivative has m 135o (from EtOH), and the formyl derivative has m 102o (from EtOH). [Beilstein 12 H 1101, 12 III 2438, 12 IV 2497.]
Properties of 2,3-Dimethylaniline
Melting point: | 2.5 °C (lit.) |
Boiling point: | 221-222 °C (lit.) |
Density | 0.993 g/mL at 25 °C (lit.) |
vapor density | 4.2 (vs air) |
vapor pressure | 0.13 hPa (25 °C) |
refractive index | n |
Flash point: | 205 °F |
storage temp. | Store below +30°C. |
solubility | 1.5g/l |
form | Liquid |
pka | pK1:4.70(+1) (25°C) |
color | Clear yellow to red-brown |
explosive limit | 1-2.7%(V) |
Water Solubility | 30 g/L (20 ºC) |
Merck | 14,10084 |
BRN | 742174 |
Stability: | Stable. Combustible. Incompatible with strong oxidizing agents. Reacts with hypochlorite bleaches. May be light sensitive. |
CAS DataBase Reference | 87-59-2(CAS DataBase Reference) |
NIST Chemistry Reference | Benzenamine, 2,3-dimethyl-(87-59-2) |
EPA Substance Registry System | 2,3-Dimethylaniline (87-59-2) |
Safety information for 2,3-Dimethylaniline
Signal word | Danger |
Pictogram(s) |
Skull and Crossbones Acute Toxicity GHS06 Health Hazard GHS08 Environment GHS09 |
GHS Hazard Statements |
H373:Specific target organ toxicity, repeated exposure H411:Hazardous to the aquatic environment, long-term hazard |
Precautionary Statement Codes |
P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P314:Get medical advice/attention if you feel unwell. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. |
Computed Descriptors for 2,3-Dimethylaniline
Abamectin manufacturer
JSK Chemicals
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