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154334

Sigma-Aldrich

2,5-Diaminotoluene sulfate

97%

Synonym(s):

2-Methyl-p-phenylenediamine sulfate salt, 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
Beilstein:
3755478
EC Number:
210-431-8
MDL number:
MFCD00013003
UNSPSC Code:
12352100
PubChem Substance ID:
24849428
NACRES:
NA.22

Assay

97%

mp

>300 °C (lit.)

SMILES string

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

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)

InChI key

KZTWOUOZKZQDMN-UHFFFAOYSA-N

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General description

2,5-Diaminotoluene sulfate occurs as an intermediate during hair dye formulation[1].

Pictograms

Skull and crossbonesEnvironment
GHS06,GHS09

Signal Word

Danger

Hazard Classifications

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

Storage Class Code

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

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCBB5146V
BCBB5242V
BCBB5146
BCBB5242
BCBB5138

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Long-term toxicity studies on oxidation hair dyes.
C Burnett et al.
Food and cosmetics toxicology, 13(3), 353-357 (1975-06-01)
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
Primary sensitization to toluene-2,5-diamine giving rise to early positive patch reaction to p-phenylenediamine and late to toluene-2,5-diamine.
A Bregnhøj et al.
Contact dermatitis, 59(3), 189-190 (2008-09-02)
H Enzmann et al.
Laryngo- rhino- otologie, 69(4), 208-212 (1990-04-01)
The middle ear is not a body site at which anaphylactic reactions (type I in the classification of Coombs and Gell) predominate. Non-IgE-mediated reactions preferentially occur in response to an allergen. Out of 64 guinea pigs, 48 were sensitized and
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