m-Phenylenediamine CAS#108-45-2

m-Phenylenediamine, Promotion Season Now in Store and Free Sample for Testing with Factory Price

Chemical Name: Monopotassium phosphite
CAS No.: 13977-65-6
Molecular Formula: H2KO3P
Molecular weight: 120.09
Sample: Available

Quality Control of MPDA

Chemical Structure
m-Phenylenediamine CAS#108-45-2
Packing of MPDA

Description of MPDA

m-Phenylenediamine, also called 1,3-diaminobenzene, is an organic compound with the formula C6H4(NH2)2. It is an isomer of o-phenylenediamine and p-phenylenediamine. It is a colourless solid.

Basic Info of MPDA

Chemical Name



Benzene-1,3-diamine;meta-Phenylenediamine (MPD);m-Phenylenediamine;1,3-Benzenediamine;



Molecular Formula


Molecular Weight






Safety Info



Hazard Class


Safety Statements


HS Code


Packing Group


WGK Germany



UN 1673

Risk Statements

R23/24/25; R36; R40; R43; R50/53

Hazard Codes



Appearance & Physical State

Gray to white crystal Melting



Boiling Point


Melting Point


Flash Point


Refractive Index


Water Solubility

350 g/L (25 ºC)


Unstable in air

Storage Condition

Store in a tightly closed container. Store protected from light. Store in a cool, dry area away from incompatible substances.

Vapor Density

3.7 (vs air)

Vapor Pressure

0.62 mm Hg ( 100 °C)


Numbering system
BRN number471357
MDL numberMFCD00007799
RTECS numberSS7700000
PubChem number24898321
EINECS number203-584-7
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What is MPDA?

  • With the progress of science and technology and the development of society, chemical products have invariably permeated our daily lives, in medicine, food, cosmetics, electronics, industry, and other areas, becoming an essential part of our lives. One such product is MPDA which has developed particularly rapidly in recent years. Do you know about MPDA?
  • The official answer: m-Phenylenediamine, also known as 1,3-phenylenediamine, or MPD, is an organic compound with the chemical formula C6H8N2, white needle-like crystals at room temperature, soluble in ethanol, water, chloroform, acetone, dimethyl amide, slightly soluble in ether, carbon tetrachloride, insoluble in benzene, toluene, butanol. Unstable in air, easy to become light red. Isophthalamide is widely used in the manufacture of dispersed dyes, reactive dyes, direct dyes, and cement accelerators.

What’s the application of MPDA?

  • Mainly used as dyestuff intermediates and epoxy resin curing agents. Intermediates of azo dyes and acridine dyes, mainly used in the manufacture of direct sunlight resistant black RN, basic orange, basic brown G, direct sunlight resistant black G and other dyes, and used as fur dyes, in Japan Chemicalbook, azo dyes consume 90% of the total consumption of m-phenylenediamine.
  • It is also used as a curing agent for epoxy resins, a setting promoter for cement, and for hair dye, mordant, and color development. Used as analytical reagent, resin curing agent, and polymerization inhibitor, also used in the synthesis of dyes. Spectrophotometric determination of nitrite, detection of bromate, bromide, chromate, ozone, gold, copper, dichromate, iron, oxygen, and platinum, determination of reactive chlorine, chromium, iridium, nitrite, and palladium.


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