m-Phenylenediamine - Materials / Alfa Chemistry

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m-Phenylenediamine

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Catalog Number

ACMA00017376

Product Name

m-Phenylenediamine

Category

Polymers

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

Application

m-Phenylenediamine serves various purposes due to its versatile chemical properties. It is primarily used in foaming-type hair dye compositions, providing essential functionalities for synthetic processes. Additionally, it acts as a synthetic electronic-grade polyimide material and an epoxy resin curing agent, which are crucial in manufacturing advanced materials. Beyond these applications, m-Phenylenediamine is instrumental in producing block polymers, textile fibers, urethanes, and petroleum additives, while also finding utility in rubber chemicals, corrosion inhibitors, and photographic processes. Furthermore, it functions as an important reagent in detecting gold and bromine, showcasing its multifaceted role across different industries.

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.

Complexity

64.9

Covalently-Bonded Unit Count

EC Number

203-584-7;208-790-0

Exact Mass

108.068748g/mol

Formal Charge

Heavy Atom Count

ICSC Number

1302

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

NSC Number

4776

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

Rotatable Bond Count

RTECS Number

SS7700000

Stability

UNSTABLE IN AIR

UNII

OE624J2447

UN Number

1673;1673;1673

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

XLogP3

-0.3

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