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3,4-Diaminotoluene structure
Chemical Name:
3.4-Diaminotol;o-Toluenediamine;3,4-TOLUOLDIAMINE;4-Methyl-2-aMinoan;3,4-DIAMINOTOLUENE;3,4-TOLUENEDIAMINE;O-TOLUYLENEDIAMINE;3,4-Tolylenediamine;Toluene-3,4-diamine;TIMTEC-BB SBB007557
Molecular Formula:
Formula Weight:
MOL File:

3,4-Diaminotoluene Properties

Melting point:
87-89 °C(lit.)
Boiling point:
155-156 °C18 mm Hg(lit.)
1.2207 (rough estimate)
refractive index 
1.5103 (estimate)
Flash point:
Crystalline Chunks or Flakes
Brown to grayish-brown
Water Solubility 
16 g/L (20 ºC)
Stable. Incompatible with strong oxidizing agents.
CAS DataBase Reference
496-72-0(CAS DataBase Reference)
NIST Chemistry Reference
1,2-Benzenediamine, 4-methyl-(496-72-0)
EPA Substance Registry System
1,2-Benzenediamine, 4-methyl-(496-72-0)
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  Xn
Risk Statements  20/21/22-36/37/38-52/53-40-36-22
Safety Statements  26-37/39-61-36/37/39
WGK Germany  2
RTECS  XS9820000
HazardClass  6.1(b)
PackingGroup  III
HS Code  29215119
Hazardous Substances Data 496-72-0(Hazardous Substances Data)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
H341 Suspected of causing genetic defects Germ cell mutagenicity Category 2 Warning P201,P202, P281, P308+P313, P405,P501
H402 Harmful to aquatic life Hazardous to the aquatic environment, acute hazard Category 3
H412 Harmful to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 3 P273, P501
Precautionary statements:
P201 Obtain special instructions before use.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P271 Use only outdoors or in a well-ventilated area.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405 Store locked up.
P501 Dispose of contents/container to..…

3,4-Diaminotoluene price More Price(8)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 33380 4-Methyl-o-phenylenediamine purum, ≥98.0% (NT) 496-72-0 100g-f $29.5 2018-11-13 Buy
Sigma-Aldrich 33380 4-Methyl-o-phenylenediamine purum, ≥98.0% (NT) 496-72-0 500g-f $110 2018-11-13 Buy
TCI Chemical D0125 3,4-Diaminotoluene >98.0%(T) 496-72-0 25g $44 2018-11-22 Buy
TCI Chemical D0125 3,4-Diaminotoluene >98.0%(T) 496-72-0 500g $426 2018-11-22 Buy
Alfa Aesar B24378 3,4-Diaminotoluene, 97% 496-72-0 500g $108 2018-11-13 Buy

3,4-Diaminotoluene Chemical Properties,Uses,Production

Chemical Properties

Off-white small blocks


5-Methylbenzotriazole intermediate.

General Description

A colorless to brownish purple crystalline solid. Toxic by ingestion and inhalation and an irritant to skin and eyes. Soluble in water, alcohol and ether. Decomposes to emit toxic oxides of nitrogen when heated to high temperature. Used in making dyes.

Air & Water Reactions

Insoluble in water.

Reactivity Profile

3,4-Diaminotoluene neutralizes acids in exothermic reactions to form salts plus water. May be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. Flammable gaseous hydrogen may be generated in combination with strong reducing agents, such as hydrides.

Fire Hazard

Flash point data for 3,4-Diaminotoluene are not available. 3,4-Diaminotoluene is probably combustible.

3,4-Diaminotoluene Preparation Products And Raw materials

Raw materials

Preparation Products

3,4-Diaminotoluene Suppliers

Global( 212)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Capot Chemical Co.,Ltd.
+86 (0)571-855 867 18
+86 (0)571-858 647 95 China 19954 60
Mainchem Co., Ltd.
+86-0592-6210733 CHINA 32651 55
Jiangsu Qingquan Chemical Co., Ltd.
+86-571-86589381/86589382/86589383 CHINA 177 55
Chemwill Asia Co.,Ltd.
86-21-51861608;;; CHINA 24118 58
Hubei Jusheng Technology Co.,Ltd.
86-188-71490254 CHINA 20243 58
career henan chemical co
+86-371-86658258 CHINA 19997 58
Nanjing Kanglirui Biotechnology Co., Ltd. 18626219813 China 16 58
J & K SCIENTIFIC LTD. 400-666-7788 +86-10-82848833
+86-10-82849933; China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. +86-(0)21-61259100(Shanghai) +86-(0)755-86170099(ShenZhen) +86-(0)10-62670440(Beijing)
+86-(0)21-61259102(Shanghai) +86-(0)755-86170066(ShenZhen) +86-(0)10-88580358(Beijing) China 40395 62
Alfa Aesar 400-610-6006; 021-67582000
021-67582001/03/05 China 30291 84

View Lastest Price from 3,4-Diaminotoluene manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2018-12-18 3,4-Diaminotoluene
US $1.00 / kg 1kg 98% 1000kg career henan chemical co

3,4-Diaminotoluene Spectrum

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