2,5-Diaminotoluene

2,5-Diaminotoluene
Names
Preferred IUPAC name
2-Methylbenzene-1,4-diamine
Other names
2-Methyl-1,4-benzenediamine
Toluene-2,5-diamine
2,5-Diaminotoluene
Identifiers
3D model (JSmol)
774521
ChEBI
ChemSpider
ECHA InfoCard 100.002.221 Edit this at Wikidata
EC Number
  • 202-442-1
KEGG
UNII
  • InChI=1S/C7H10N2/c1-5-4-6(8)2-3-7(5)9/h2-4H,8-9H2,1H3 checkY
    Key: OBCSAIDCZQSFQH-UHFFFAOYSA-N checkY
  • CC1=C(C=CC(=C1)N)N
Properties
C7H10N2
Molar mass 122.17
Appearance off white crystals
Density 1.107 g/cm3
Melting point 64 °C (147 °F; 337 K)
Boiling point 273 °C (523 °F; 546 K)
Hazards
GHS labelling:
GHS06: ToxicGHS07: Exclamation markGHS09: Environmental hazard
Danger
H301, H312, H317, H319, H332, H411
P261, P264, P270, P271, P272, P273, P280, P301+P310, P302+P352, P304+P312, P304+P340, P305+P351+P338, P312, P321, P322, P330, P333+P313, P337+P313, P363, P391, P405, P501
Flash point no
NIOSH (US health exposure limits):
PEL (Permissible)
 none[1]
REL (Recommended)
 Ca[1]
IDLH (Immediate danger)
 Ca [N.D.][1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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2,5-Diaminotoluene is an organic compound with the formula C6H3(NH2)2CH3. It is one isomer of six with this formula. 2,5-Diaminotoluene is a colorless crystalline solid, although commercial samples are often colored owing to air oxidation. It is commonly used in hair coloring.[2]

  1. ^ a b c NIOSH Pocket Guide to Chemical Hazards. "#0620". National Institute for Occupational Safety and Health (NIOSH).
  2. ^ T. Clausen (2006). "Hair Preparations". Ullmann’s Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a12_571.pub2. ISBN 9783527303854.