Meta Phenylene Diamine in Crystalline Form can be melted at a temperature range of 60 – 62 Degree C. Meta Phenylene Diamine is available in white crystalline form that becomes red on exposure to air. Meta Phenylene Diamine is offered in assay purity level of 98.5%. Meta Phenylene Diamine in Crystalline Form can be availed in different specifications to suit specific requirement.