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Merck
CN

31563

2-Methyl-p-phenylenediamine sulfate salt

analytical standard

Synonym(s):

2,5-Toluenediamine sulfate

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About This Item

Linear Formula:
CH3C6H3(NH2)2 · H2SO4
CAS Number:
615-50-9
Molecular Weight:
220.25
EC Number:
210-431-8
UNSPSC Code:
41116107
PubChem Substance ID:
329753816
Beilstein/REAXYS Number:
3755478
MDL number:
MFCD00013003

Key Documents

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InChI key

KZTWOUOZKZQDMN-UHFFFAOYSA-N

InChI

1S/C7H10N2.H2O4S/c1-5-4-6(8)2-3-7(5)9;1-5(2,3)4/h2-4H,8-9H2,1H3;(H2,1,2,3,4)

SMILES string

OS(O)(=O)=O.Cc1cc(N)ccc1N

grade

analytical standard

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

mp

>300 °C (lit.)

application(s)

environmental

format

neat

Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

pictograms

Skull and crossbonesEnvironment
GHS06,GHS09

signalword

Danger

Hazard Classifications

Acute Tox. 3 Oral - Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Aquatic Chronic 2 - Skin Sens. 1

Storage Class

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

wgk

WGK 3

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges

Regulatory Information

危险化学品
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Claudia Skazik et al.
Contact dermatitis, 59(4), 203-211 (2008-10-11)
Patch tests to p-phenylenediamine (PPD) and related substances often show concurrent reactions that can be attributed to separate sensitization or cross-reactivity. In order to understand the health risks associated with cross-reactivity, we studied cross-reactivity of eight chemicals in vitro by
Suhan Gunasti et al.
Indian journal of dermatology, venereology and leprology, 76(2), 165-167 (2010-03-17)
Hair coloring with henna has been popular in Turkey for years. In recent years since the tattoos are applied by the street vendors in most of the beach places in Turkey, skin coloring with henna has also increased. Henna can
Allergic contact dermatitis from toluene-2,5-diamine in a cream dye for eyelashes and eyebrows--quantitative exposure assessment.
Heidi Søsted et al.
Contact dermatitis, 57(3), 195-196 (2007-08-08)
M Gube et al.
International archives of occupational and environmental health, 84(3), 287-292 (2010-05-06)
To determine whether the occupational exposure of hairdressers to permanent hair dyes can be quantified by the use of biological monitoring of urinary aromatic diamines as one of the main constituents and to compare these levels to those recently determined
Kerem Yazar et al.
Contact dermatitis, 61(5), 269-275 (2009-11-03)
In recent years, the alarming increase in contact allergy to hair dyes has drawn much attention. It has been shown that many of the currently allowed hair dye substances are potent skin sensitizers. To study the prevalence of hair dye
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