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

ORGANICA Feinchemie GmbH
Tel
+49 3494636389
Fax
+49 3494637239
Email
info@organica.de
Country
Germany
ProdList
598
Advantage
65
Alfa Aesar, Thermo Fisher Scientific
Tel
--
Fax
--
Email
es@alfa.com
Country
Germany
ProdList
5123
Advantage
58
Merck Millipore
Tel
--
Fax
--
Email
ccc@merckgroup.com
Country
Germany
ProdList
2008
Advantage
58
CHEMOS GmbH & Co. KG
Tel
--
Fax
--
Email
chemos@chemos.de
Country
Germany
ProdList
6727
Advantage
58
Service Chemical Inc.
Tel
--
Fax
--
Email
sales@chemos-group.com
Country
Germany
ProdList
6350
Advantage
71
Merck Schuchardt OHG
Tel
--
Fax
--
Email
schuchardt-vertrieb@merck.de
Country
Germany
ProdList
5827
Advantage
74
ABCR GmbH & CO. KG
Tel
--
Fax
--
Email
info@abcr.de
Country
Germany
ProdList
6831
Advantage
75
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View Lastest Price from N,N-Dimethyl-1,4-phenylenediamine manufacturers

Hebei Weibang Biotechnology Co., Ltd
Product
N,N-Dimethyl-1,4-phenylenediamine 99-98-9
Price
US $10.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
10 mt
Release date
2024-11-20
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

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