ChemicalBook > CAS DataBase List > 3,4-Dimethylaniline

3,4-Dimethylaniline

Product Name
3,4-Dimethylaniline
CAS No.
95-64-7
Chemical Name
3,4-Dimethylaniline
Synonyms
3,4-XYLIDINE;Benzenamine, 3,4-dimethyl-;3,4-Dimethylbenzenamine;ai3-22779;AKOS 91143;3,4-Xylylamine;ASYM-O-XYLIDINE;4-AMINO-O-XYLENE;AKOS BBS-00003673;3,4-DitolueneAmine
CBNumber
CB8433299
Molecular Formula
C8H11N
Formula Weight
121.18
MOL File
95-64-7.mol
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3,4-Dimethylaniline Property

Melting point:
49-51 °C(lit.)
Boiling point:
226 °C(lit.)
Density 
1.076
vapor pressure 
3.72Pa at 25℃
refractive index 
1.5135 (estimate)
Flash point:
209 °F
storage temp. 
Store below +30°C.
solubility 
methanol: 0.1 g/mL, clear
pka
pK1:5.17(+1) (25°C)
form 
Crystalline Mass or Crystals
color 
Light beige to pink to brown
Water Solubility 
<1 g/L (24 ºC)
Merck 
14,10084
BRN 
507414
Henry's Law Constant
5.3×100 mol/(m3Pa) at 25℃, Jayasinghe et al. (1992)
InChI
1S/C8H11N/c1-6-3-4-8(9)5-7(6)2/h3-5H,9H2,1-2H3
InChIKey
DOLQYFPDPKPQSS-UHFFFAOYSA-N
SMILES
Cc1ccc(N)cc1C
LogP
1.8 at 25℃
Dissociation constant
5.15 at 25℃
CAS DataBase Reference
95-64-7(CAS DataBase Reference)
NIST Chemistry Reference
Benzenamine, 3,4-dimethyl-(95-64-7)
EPA Substance Registry System
3,4-Dimethylaniline (95-64-7)
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Safety

Hazard Codes 
T,N
Risk Statements 
23/24/25-33-51/53
Safety Statements 
28-36/37-45-61-28A
RIDADR 
UN 3452 6.1/PG 2
WGK Germany 
2
RTECS 
ZE9450000
F 
8
TSCA 
TSCA listed
HazardClass 
6.1
PackingGroup 
II
HS Code 
29214910
Storage Class
6.1A - Combustible acute toxic Cat. 1 and 2
very toxic hazardous materials
Hazard Classifications
Acute Tox. 3 Dermal
Acute Tox. 3 Inhalation
Acute Tox. 3 Oral
Aquatic Chronic 2
STOT RE 2
Hazardous Substances Data
95-64-7(Hazardous Substances Data)
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

H373May cause damage to organs through prolonged or repeated exposure

H411Toxic to aquatic life with long lasting effects

Precautionary statements

P260Do not breathe dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P271Use only outdoors or in a well-ventilated area.

P273Avoid release to the environment.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P314Get medical advice/attention if you feel unwell.

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P337+P313IF eye irritation persists: Get medical advice/attention.

P391Collect spillage. Hazardous to the aquatic environment

P403+P233Store in a well-ventilated place. Keep container tightly closed.

P405Store locked up.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
126373
Product name
3,4-Dimethylaniline
Purity
98%
Packaging
100g
Price
$118
Updated
2026/04/30
TCI Chemical
Product number
D0670
Product name
3,4-Dimethylaniline
Purity
>99.0%(GC)(T)
Packaging
25g
Price
$48
Updated
2026/04/30
TCI Chemical
Product number
D0670
Product name
3,4-Dimethylaniline
Purity
>99.0%(GC)(T)
Packaging
500g
Price
$260
Updated
2026/04/30
TRC
Product number
D462185
Product name
3,4-Dimethylaniline
Packaging
5g
Price
$70
Updated
2021/12/16
Matrix Scientific
Product number
133827
Product name
3,4-Dimethylaniline
Purity
95%+
Packaging
500mg
Price
$87
Updated
2021/12/16
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3,4-Dimethylaniline Chemical Properties,Usage,Production

Chemical Properties

slightly beige to beige or pink crystalline mass

Uses

3,4-Dimethylaniline is used to study electron donor-acceptor interaction with DCNQ. It is also used as a fine chemical &organic intermediate.

Uses

3,4-Dimethylaniline (3,4-DMA) has been used to study the electron donor-acceptor (EDA) interaction between 2,3-dicyano-1,4-naphthoquinone (DCNQ) and 3,4-dimethylaniline, in chloroform and dichloromethane. It can also be used for reactions with MoO(X)2(dtc)2 (X = Cl or Br; dtc = diethyldithiocarbamate) in methanol to form ionic imido complexes of the type [MoNAr(dtc)3]2[Mo6O19] or MoNAr(dtc)3]4[Mo8O26].

Definition

ChEBI: A primary arylamine that is aniline in which the hydrogens at the 3- and 4-positions are replaced by methyl groups. A low-melting, crystalline solid, it is used in the production of vitamin B2, dyes, pesticides and other chemicals.

Synthesis Reference(s)

Journal of the American Chemical Society, 63, p. 2532, 1941 DOI: 10.1021/ja01854a509
Organic Syntheses, Coll. Vol. 3, p. 307, 1955

General Description

Pale brown crystals or off-white solid.

Air & Water Reactions

3,4-Dimethylaniline may be sensitive to prolonged exposure to air. Insoluble in water.

Reactivity Profile

3,4-Dimethylaniline ignites on contact with fuming nitric acid . 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

3,4-Dimethylaniline is combustible.

Safety Profile

Suspected carcinogen. Poison by ingestion. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx. See also other xylidine entries.

Purification Methods

Crystallise it from ligroin and distil it under vacuum. [Beilstein 12 H 1103, 12 IV 2502.]

3,4-Dimethylaniline Preparation Products And Raw materials

Raw materials

o-Xylene Chloroacetic acid 3',4'-Dimethylacetophenone Aluminum chloride 4-Nitrotoluene polyphosphoric acid Sodium cyanide Hydrochloric acid Hydrogen BIS(CHLOROMETHYL)ETHER Hydroxylamine hydrochloride Potassium Acetate Isopropyl alcohol Sulfuric acid

Preparation Products

Vitamin B2 2,3-DIHYDROXY-6,7-DIMETHYLQUINOXALINE 2-AMINO-5,6-DIMETHYLBENZOTHIAZOLE 4,6-DIMETHYL-1,2-PHENYLENEDIAMINE Riboflavin Pendimethalin 4,5-DIMETHYL-2-NITROANILINE
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3,4-Dimethylaniline Suppliers

Americas 1 Belgium 2 Canada 1 China 185 Europe 2 France 2 Germany 9 India 18 Japan 5 Slovakia 1 Switzerland 2 Ukraine 2 United Kingdom 8 United States 34 Global 272
Shandong Qianyuan Polymer Material Co. , Ltd.
Tel
18678041314 18765609661
Email
2547772582@qq.com
Country
China
ProdList
974
Advantage
58
Hubei Peizi Pharmaceutical Technology Co., Ltd.
Tel
0712-4220300 17720472265
Fax
QQ：2195228001
Email
2195228001@qq.com
Country
China
ProdList
428
Advantage
58
Shanghai Kaisai Chemical Co., Ltd
Tel
021-33516722 13701817765
Fax
021-33516776
Email
kaisaichem@163.com
Country
China
ProdList
4608
Advantage
58
Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel
4006356688 18621169109
Fax
86-21-61259102
Email
market03@meryer.com
Country
China
ProdList
40228
Advantage
62
Alfa Aesar
Tel
400-6106006
Fax
021-67582001/03/05
Email
saleschina@alfa-asia.com
Country
China
ProdList
30123
Advantage
84
TCI (Shanghai) Development Co., Ltd.
Tel
021-67121386
Fax
021-67121385
Email
Sales-CN@TCIchemicals.com
Country
China
ProdList
24529
Advantage
81
Energy Chemical
Tel
021-021-58432009 400-005-6266
Fax
021-58436166
Email
sales8178@energy-chemical.com
Country
China
ProdList
44802
Advantage
61
Shijiazhuang Sdyano Fine Chemical Co., Ltd.
Tel
0311-89250318
Fax
4000311741
Email
master@sjzsdyn.com
Country
China
ProdList
2816
Advantage
65
Jia Xing Isenchem Co.,Ltd
Tel
0573-85285100 18627885956
Fax
0573-85285100
Email
isenchem@163.com
Country
China
ProdList
9276
Advantage
66
Shanghai Hanhong Scientific Co.,Ltd.
Tel
021-54306202 13764082696
Email
info@hanhongsci.com
Country
China
ProdList
42934
Advantage
64
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View Lastest Price from 3,4-Dimethylaniline manufacturers

Hebei Chuanghai Biotechnology Co,.LTD
Product
3,4-Dimethylaniline 95-64-7
Price
US $9.00/KG
Min. Order
1KG
Purity
99.9
Supply Ability
1 ton
Release date
2024-08-20
Career Henan Chemical Co
Product
3,4-Dimethylaniline 95-64-7
Price
US $7.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
JD 594
Release date
2019-09-01
Career Henan Chemical Co
Product
3,4-Dimethylaniline 95-64-7
Price
US $7.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
JD 634
Release date
2019-09-01

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