ChemicalBook > CAS DataBase List > N,N-Dimethyl-1,4-phenylenediamine

N,N-Dimethyl-1,4-phenylenediamine

Product Name
N,N-Dimethyl-1,4-phenylenediamine
CAS No.
99-98-9
Chemical Name
N,N-Dimethyl-1,4-phenylenediamine
Synonyms
N1,N1-dimethylbenzene-1,4-diamine;N,N-DIMETHYL-P-PHENYLENEDIAMINE;DMPD;Dimethyl-p-phenylenediamine;n,n-dimethyl-p-phenylenediamin;N,N-Dimethyl-1,4-benzenediamine;1,4-Benzenediamine, N1,N1-dimethyl-;ci76075;-p-phenyL;c.i.76075
CBNumber
CB9280070
Molecular Formula
C8H12N2
Formula Weight
136.19
MOL File
99-98-9.mol
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N,N-Dimethyl-1,4-phenylenediamine Property

Melting point:
34-36 °C(lit.)
Boiling point:
262 °C(lit.)
Density 
1.09
refractive index 
1.5914 (estimate)
Flash point:
130 °C
storage temp. 
2-8°C
solubility 
Chloroform (Slightly), Methanol (Slightly), Water (Slightly)
pka
6?+-.0.12(Predicted)
form 
crystalline
color 
black
Water Solubility 
11 g/L (20 ºC)
Sensitive 
Light Sensitive
Merck 
14,3254
BRN 
508105
Stability:
Stable. Incompatible with acid chlorides, acid anhydrides, strong acids, strong oxidizing agents. Combustible.
InChIKey
BZORFPDSXLZWJF-UHFFFAOYSA-N
CAS DataBase Reference
99-98-9(CAS DataBase Reference)
NIST Chemistry Reference
1,4-Benzenediamine, N,N-dimethyl-(99-98-9)
EPA Substance Registry System
N,N-Dimethyl-p-benzenediamine (99-98-9)
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Safety

Hazard Codes 
T
Risk Statements 
23/24/25-36/37/38
Safety Statements 
28-45-36/37/39-26
RIDADR 
UN 2811 6.1/PG 2
WGK Germany 
3
RTECS 
ST0874000
8-10-23
Hazard Note 
Toxic/Keep Cold
TSCA 
Yes
HazardClass 
6.1
PackingGroup 
II
HS Code 
29215900
Hazardous Substances Data
99-98-9(Hazardous Substances Data)
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H331Toxic if inhaled

Precautionary statements

P262Do not get in eyes, on skin, or on clothing.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

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

P301+P310IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
07750
Product name
N,N-Dimethyl-p-phenylenediamine
Purity
for spectrophotometric det. of SO42-, S2-, ≥97.0%
Packaging
25g
Price
$64.7
Updated
2022/05/15
TCI Chemical
Product number
D0779
Product name
N,N-Dimethyl-1,4-phenylenediamine
Purity
>98.0%(GC)(T)
Packaging
25g
Price
$109
Updated
2024/03/01
Alfa Aesar
Product number
A15962
Product name
N,N-Dimethyl-p-phenylenediamine, 96%
Packaging
50g
Price
$63.4
Updated
2024/03/01
Alfa Aesar
Product number
A15962
Product name
N,N-Dimethyl-p-phenylenediamine, 96%
Packaging
250g
Price
$232
Updated
2024/03/01
Sigma-Aldrich
Product number
193992
Product name
N,N-Dimethyl-p-phenylenediamine
Purity
97%
Packaging
5g
Price
$53.5
Updated
2024/03/01
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N,N-Dimethyl-1,4-phenylenediamine Chemical Properties,Usage,Production

Description

Dimethyl-p-phenylenediamine is a colorless toreddish-violet crystalline solid; Molecular weight= 136.23;Boiling point = 262℃; Freezing/Melting point = 41℃;Flash point = 90℃. Insoluble in water

Chemical Properties

grey to black solid

Uses

N,N-Dimethyl-p-phenylenediamine is a redox indicator. Readily forms stable, red radical cation, involved in a variety of redox reactions.

Uses

N,N-Dimethyl-p-phenylenediamine may be used for the preparation of molecular compounds with tetracyano-p-quinodimethane (TCNQ). Polarized absorption spectra of these molecular compounds were investigated.

Uses

Base for production of methylene blue, photodeveloper, reagent for detection of hydrogen sulfide, reagent for cellulose, organic synthesis, reagent for certain bacteria.

Definition

ChEBI: N,N-dimethyl-1,4-phenylenediamine is a substituted aniline and a diamine.

Synthesis Reference(s)

Chemistry Letters, 9, p. 439, 1980
Tetrahedron Letters, 34, p. 2441, 1993 DOI: 10.1016/S0040-4039(00)60436-7

General Description

Colorless to reddish-violet solid. Used in the production of methylene blue and photographic developer. Used as a chemical intermediate for dyes and diazonium chloride salts and as an analytical reagent to detect chloroamine in water.

Reactivity Profile

N,N-Dimethyl-1,4-phenylenediamine 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. Incompatible with strong oxidizers, strong acids and acid anhydrides. Also incompatible with alkalis .

Hazard

Toxic by ingestion or inhalation of vapor.

Health Hazard

Lowest toxic dose with skin effect is 14 mg/kg. Irritant to skin and eyes.

Fire Hazard

When heated to decomposition, N,N-Dimethyl-1,4-phenylenediamine emits toxic fumes of nitrogen oxides.

First aid

If this chemical gets into the eyes, remove any contact lenses at once and irrigate immediately for at least15 min, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts the skin,remove contaminated clothing and wash immediately withsoap and water. Seek medical attention immediately. If thischemical has been inhaled, remove from exposure, begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR if heart actionhas stopped. Transfer promptly to a medical facility. Whenthis chemical has been swallowed, get medical attention.Give large quantities of water and induce vomiting. Do notmake an unconscious person vomit.

storage

Color Code—Blue: Health Hazard/Poison: Storein a secure poison location. Store in cool, dry place awayfrom strong oxidizers and acids.

Shipping

Phenylenediamines require a shipping label of“POISONOUS/TOXIC MATERIALS.” T

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N,N-Dimethyl-1,4-phenylenediamine Suppliers

Shanghai Aladdin Bio-Chem Technology Co.,LTD
Tel
400-6206333 18521732826;
Fax
021-50323701
Email
market@aladdin-e.com
Country
China
ProdList
24835
Advantage
65
Nanjing Kaitian Chemical Co., Ltd
Tel
159-5167-3915 15951673915
Email
3408381536@qq.com
Country
China
ProdList
87
Advantage
58
Creasyn Finechem(Tianjin) Co., Ltd.
Tel
022-022-83946278 13820372920
Fax
022-83945176
Email
sales@creasyn.com
Country
China
ProdList
1005
Advantage
68
Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel
4006608290; 18621169109
Fax
86-21-61259102
Email
market03@meryer.com
Country
China
ProdList
40241
Advantage
62
Alfa Aesar
Tel
400-6106006
Fax
021-67582001/03/05
Email
saleschina@alfa-asia.com
Country
China
ProdList
30132
Advantage
84
TCI (Shanghai) Development Co., Ltd.
Tel
021-67121386
Fax
021-67121385
Email
Sales-CN@TCIchemicals.com
Country
China
ProdList
24539
Advantage
81
Ark Pharm, Inc.
Tel
847-367-3680
Fax
847-367-3681
Email
sales@arkpharminc.com
Country
United States
ProdList
1670
Advantage
56
Energy Chemical
Tel
021-021-58432009 400-005-6266
Fax
021-58436166
Email
sales8178@energy-chemical.com
Country
China
ProdList
44751
Advantage
61
Beijing Ouhe Technology Co., Ltd
Tel
010-82967028 13552068683
Fax
+86-10-82967029
Email
2355560935@qq.com
Country
China
ProdList
12426
Advantage
60
Shanghai Longsheng chemical Co.,Ltd.
Tel
021-58099652-8005 13585536065
Fax
021-58099609
Email
bin.wu@shlschem.com
Country
China
ProdList
9816
Advantage
59
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View Lastest Price from N,N-Dimethyl-1,4-phenylenediamine manufacturers

Hebei Mojin Biotechnology Co., Ltd
Product
N,N-Dimethyl-1,4-phenylenediamine 99-98-9
Price
US $3.60/kg
Min. Order
1kg
Purity
99%
Supply Ability
1000tons
Release date
2023-08-14
Guangzhou Sunton Biotechnology Co., Ltd.
Product
N,N-Dimethyl-1,4-phenylenediamine 99-98-9
Price
US $48.00-40.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
200tons
Release date
2021-03-30
Nanjing Kaitian Chemical Co., LTD
Product
N,N-Dimethyl-1,4-phenyle nediamine 99-98-9
Price
US $0.00-0.00/kg
Min. Order
1kg
Purity
97%
Supply Ability
5 tons
Release date
2023-02-22

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