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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)

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

Certificates of Analysis (COA)

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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
Ryosuke Nagashima et al.
The Journal of cell biology, 218(5), 1511-1530 (2019-03-03)
Although chromatin organization and dynamics play a critical role in gene transcription, how they interplay remains unclear. To approach this issue, we investigated genome-wide chromatin behavior under various transcriptional conditions in living human cells using single-nucleosome imaging. While transcription by
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
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