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99-98-9 structure, C8H12N2
N,N-dimethyl-1,4-phenylenediamine
CAS No.: 99-98-9 Formula: C8H12N2 Molecular Weight: 136.19400
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N,N-dimethyl-1,4-phenylenediamine

CAS No.:

99-98-9

Formula:

C8H12N2

Molecular Weight: 136.19400
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Description

Dimethyl-4-phenylenediamine is a molecule used in the oxidase test, and an important precursor to Methylene blue.

Basic Info

Chemical Name

N,N-dimethyl-1,4-phenylenediamine

Synonyms

1,4-Benzenediamine, N,N-dimethyl-; N,N-Dimethyl-p-phenylenediamine; 4-N,4-N-dimethylbenzene-1,4-diamine;

CAS No.

99-98-9

Molecular Formula

C8H12N2

Molecular Weight

136.19400

PSA

29.26000

LogP

1.91600

Numbering system

EINECS number 202-807-5
MDL number MFCD00007860

Properties

Appearance & Physical State

Light brown solid or liquid

Density

1.09

Boiling Point

262ºC

Melting Point

34-36ºC

Flash Point

90ºC

Refractive Index

1.626

Water Solubility

11 g/L (20 ºC)

Stability

Stable. Incompatible with acid chlorides, acid anhydrides, strong acids, strong oxidizing agents. Combustible.

Storage Condition

2-8ºC

Safety Info

RTECS

ST0874000

Hazard Class

6.1

Safety Statements

S26-S36/37/39-S45

HS Code

2818300000

Packing Group

II

WGK Germany

3

RIDADR

UN 2811

Risk Statements

R23/24/25; R36/37/38

Hazard Codes

T

Hazard Declaration

H301 + H311 + H331

Symbol

GHS06

Signal Word

Danger

Caution Statement

P261; P280; P301 + P310; P311
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