Catalog Number
ACMA00017376
Product Name
m-Phenylenediamine
Description
1,3-phenylenediamine appears as colorless or white colored needles that turn red or purple in air. Melting point 64-66 C. Density 1.14 g / cm³. Flash point 280 F. May irritate skin and eyes. Toxic by skin absorption, inhalation or ingestion. Used in aramid fiber manufacture, as a polymer additive, dye manufacturing, as a laboratory reagent, and in photography.;DryPowder; OtherSolid; PelletsLargeCrystals, Liquid;WHITE CRYSTALS. TURNS RED ON EXPOSURE TO AIR.;Colorless or white colored needles that turn red or purple in air.
IUPAC Name
benzene-1,3-diamine
Molecular Weight
108.14g/mol
Molecular Formula
C6H8N2;C6H4(NH2)2;C6H8N2
Canonical SMILES
C1=CC(=CC(=C1)N)N
InChI
InChI=1S/C6H8N2/c7-5-2-1-3-6(8)4-5/h1-4H,7-8H2
InChI Key
WZCQRUWWHSTZEM-UHFFFAOYSA-N
Boiling Point
540 to 543 °F at 760 mm Hg (NTP, 1992);285.0 °C;284-287 °C;284-287 °C;540-543°F
Melting Point
145 to 147 °F (NTP, 1992);63.5 °C;62-63 °C;62-63 °C;145-147°F
Flash Point
280 °F (NTP, 1992);187 °C c.c.;280°F
Density
1.0696 at 136 °F (NTP, 1992);1.0096 g/cu m at 58 °C;1.14 g/cm³;1.0696 at 136°F
Solubility
less than 1 mg/mL at 66° F (NTP, 1992);2.20 M;SOL IN WATER, METHANOL, ETHANOL, CHLOROFORM, ACETONE, DIMETHYLFORMAMIDE, METHYL ETHYL KETONE, DIOXANE; SLIGHTLY SOL IN ETHER, CARBON TETRACHLORIDE, ISOPROPANOL, DIBUTYL PHTHALATE. VERY SLIGHTLY SOL IN BENZENE, TOLUENE, XYLENE, BUTANOL.;In water, 2.38X10+5 mg/l at 20 deg;Solubility in water: soluble
Color/Form
WHITE CRYSTALS BECOMING RED ON EXPOSURE TO AIR;Colorless needles;RHOMBIC CRYSTALS FROM ALCOHOL;COLORLESS RHOMBIC NEEDLES;Dark oxidation products /are/ present in compound exposed to moist air.
Covalently-Bonded Unit Count
1
EC Number
203-584-7;208-790-0
Exact Mass
108.068748g/mol
Log P
-0.33 (LogP);log Kow = -0.33;-0.33
MeSH Entry Terms
1,3-diaminobenzene;1,3-phenylenediamine;3-phenylenediamine;m-phenylenediamine;meta-phenylenediamine
Monoisotopic Mass
108.068748g/mol
Other Experimental
DIPOLE MOMENT 1.79;Specific gravity = 1.07 at 58/4 °C;Density = 1.139
Refractive Index
INDEX OF REFRACTION: 1.6339 AT 58 °C/D
Vapor Density
3.7 (NTP, 1992) (Relative to Air);Relative vapor density (air = 1): 3.7;3.7
Vapor Pressure
1 mm Hg at 211.6 °F ; 0.0018 mm Hg at 77° F (NTP, 1992);0.00 mmHg;1 MM HG @ 99.8 °C;Vapor pressure, Pa at 99.8 °C: 133;1 mmHg at 211.6°F, 0.0018 mmHg at 77°F
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