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695106

Sigma-Aldrich

p-Phenylenediamine

sublimed, ≥99%

Synonym(s):

1,4-Benzenediamine, 1,4-Diaminobenzene, 1,4-Phenylenediamine

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About This Item

Linear Formula:
C6H4(NH2)2
CAS Number:
106-50-3
Molecular Weight:
108.14
Beilstein:
742029
EC Number:
203-404-7
MDL number:
MFCD00007901
UNSPSC Code:
12352100
PubChem Substance ID:
329761716
NACRES:
NA.22

vapor density

3.7 (vs air)

Quality Level

200

vapor pressure

1.08 mmHg ( 100 °C)

description

anti-fade reagent

Assay

≥99%

form

sublimed

bp

267 °C (lit.)

mp

138-143 °C (lit.)

SMILES string

Nc1ccc(N)cc1

InChI

1S/C6H8N2/c7-5-1-2-6(8)4-3-5/h1-4H,7-8H2

InChI key

CBCKQZAAMUWICA-UHFFFAOYSA-N

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Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Irrit. 2 - Skin Sens. 1 - STOT SE 1 Oral

Target Organs

Kidney,Heart,Musculo-skeletal system

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Flash Point(F)

230.0 °F - closed cup

Flash Point(C)

110 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
0000238745
0000288136
MKBZ1484V
MKBV9954V
MKBN5055V

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Jacob Pontoppidan Thyssen et al.
Contact dermatitis, 59(6), 327-343 (2008-12-17)
Many women and men now dye their hair. p-Phenylenediamine (PPD) is a frequent and important component of permanent hair dye products; exposure to it may cause allergic contact sensitization, acute dermatitis, and severe facial oedema. To increase our understanding of
Satoru Ide et al.
Science advances, 6(42) (2020-10-16)
The nucleolus is a nuclear body with multiphase liquid droplets for ribosomal RNA (rRNA) transcription. How rRNA transcription is regulated in the droplets remains unclear. Here, using single-molecule tracking of RNA polymerase I (Pol I) and chromatin-bound upstream binding factor
Daniel P Poole et al.
American journal of physiology. Gastrointestinal and liver physiology, 309(4), G248-G259 (2015-07-04)
Activated G protein-coupled receptors traffic to endosomes and are sorted to recycling or degradative pathways. Endosomes are also a site of receptor signaling of sustained and pathophysiologically important processes, including inflammation. However, the mechanisms of endosomal sorting of receptors and
Fabiola Kind et al.
Pediatrics, 131(6), e1974-e1976 (2013-05-22)
Allergic contact dermatitis from nonpermanent black henna tattoos has been frequently reported, particularly in children. Contamination or adulteration of the dyes with para-phenylendiamine has been identified as major cause of active sensitization and elicitation of severe allergic contact dermatitis. Sequelae
Jakob Grilj et al.
The journal of physical chemistry. A, 116(28), 7516-7522 (2012-06-16)
The excited-state dynamics of a series of Wurster's salts (p-phenylenediamine radical cations) with different subtituents on the nitrogen atoms was investigated under a variety of experimental conditions using a combination of ultrafast spectroscopic techniques. At room temperature, the lifetime of
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