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HCID 29949Erstellt: 1. November 2026

2,5-Dichlor-1,4-benzoldiamin

2,5-DICHLORO-P-PHENYLENEDIAMINE · 2,5-DICHLORO-1,4-PHENYLENEDIAMINE · 2-CHLORO PPD · CCRIS 226 · AURORA KA-7368 · 2,5 DICHLORO PPD · WLN: ZR DZ BG FG · BUTTPARK 100\01-20

https://huagongshe.com/de/chemical/29949

Molekülstruktur von 2,5-Dichlor-1,4-benzoldiamin

Identifikatoren & physikalische Daten

CAS No.	20103-09-7
Summenformel	C6H6Cl2N2
Durchschnittliche Molmasse	177,03 g/mol
Monoisotopische Masse	175,9908036 g/mol
SMILES	Nc1cc(Cl)c(N)cc1Cl
InChIKey	QAYVHDDEMLNVMO-UHFFFAOYSA-N
PubChem CID	29949
ChEMBL	CHEMBL1450518
EC No.	243-512-1
DTXSID	DTXSID8066557
Lokaler Name	2,5-Dichlor-1,4-benzoldiamin

Chemische & physikalische Eigenschaften

XLogP	2,4
Polarare Oberfläche (TPSA)	52
H-Brücken-Donoren	2
H-Brücken-Akzeptoren	2
Frei drehbare Bindungen	0
Schwere Atome	10
Formalladung	0
Komplexität	106
Stoffklassen	Nitrogen Compounds -> Amines, Aromatic
Color/Form	WHITE PRISMS
Löslichkeit	SLIGHTLY SOLUBLE IN WATER AND ALCOHOL
Schmelzpunkt	170 °C164-166 °C (dec.)(lit.)
Physical Description	White solid[HSDB] Powder[MSDSonline]
Siedepunkt	291.88°C (rough estimate)
Dichte	1.4668 (rough estimate)
Brechungsindex	1.6400 (estimate)
Lagerbedingungen	2-8°C
pKa (Säurekonstante)	3.16±0.10(Predicted)
Aggregatzustand	powder to crystal
Farbe	White to Brown
BRN	2803055
InChI	InChI=1S/C6H6Cl2N2/c7-3-1-5(9)4(8)2-6(3)10/h1-2H,9-10H2
InChIKey	QAYVHDDEMLNVMO-UHFFFAOYSA-N
SMILES	C1(N)=CC(Cl)=C(N)C=C1Cl
CAS Datenbank	20103-09-7(CAS DataBase Reference)
EPA chemische Informationen	1,4-Benzenediamine, 2,5-dichloro- (20103-09-7)

Sicherheit & Vorschriften

GHS-Einstufung	This chemical does not meet GHS hazard criteria for 4.2% (2 of 48) of reports.WarningH302 (95.8%): Harmful if swallowed [Warning Acute toxicity, oral]P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P317, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 48 reports by companies from 7 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Regulatorische Informationen	REACH registered substance: 2,5-dichlorobenzene-1,4-diamine (EC: 243-512-1)
Gefahrenübersicht	Emergency treatment: Methemoglobinemia[HSDB] An irritant[MSDSonline]
Special Reports	EVIDENCE IS GIVEN SUPPORTING TESTING OF THE CLASS OF COMPOUNDS PHENYLENEDIAMINES FOR THEIR TOXIC EFFECTS ON HUMAN HEALTH AND THE ENVIRONMENT. THE RESULTS OF TOXICITY TESTING OF 22 COMPOUNDS ARE TABULATED AS ARE THE EFFECTS FOR WHICH TESTING IS BEING CONSIDERED FOR 13 COMPOUNDS, AND THE USES OR POTENTIAL USES OF 47 PHENYLENEDIAMINES.[UNITED STATES EPAPHENYLENEDIAMINESRESPONSE TO INTERAGENCY TESTING COMMITTEEFED REGIST 47(5) 973 (1982)]
Hazard Classes and Categories	Acute Tox. 4 (95.8%)
Unerwünschte Wirkungen	Methemoglobinemia - The presence of increased methemoglobin in the bloodthe compound is classified as secondary toxic effect
Human Toxicity Excerpts	POTENTIAL METHEMOGLOBIN FORMER
F	9
Wassergefährdungsklasse (WGK)	3
TSCA-Inventar-Status	TSCA listed
Zollcode	29215900
RTECS-Nr.	SS9150000

CAS No.

20103-09-7

Summenformel

C6H6Cl2N2

Durchschnittliche Molmasse

177,03 g/mol

Monoisotopische Masse

175,9908036 g/mol

SMILES

Nc1cc(Cl)c(N)cc1Cl

InChIKey

QAYVHDDEMLNVMO-UHFFFAOYSA-N

PubChem CID

29949

ChEMBL

CHEMBL1450518

EC No.

243-512-1

DTXSID

DTXSID8066557

Lokaler Name

2,5-Dichlor-1,4-benzoldiamin

Chemische & physikalische Eigenschaften

XLogP

2,4

Polarare Oberfläche (TPSA)

H-Brücken-Donoren

H-Brücken-Akzeptoren

Frei drehbare Bindungen

Schwere Atome

Formalladung

Komplexität

106

Stoffklassen

Nitrogen Compounds -> Amines, Aromatic

Color/Form

WHITE PRISMS

Löslichkeit

SLIGHTLY SOLUBLE IN WATER AND ALCOHOL

Schmelzpunkt

170 °C164-166 °C (dec.)(lit.)

Physical Description

White solid[HSDB] Powder[MSDSonline]

Siedepunkt

291.88°C (rough estimate)

Dichte

1.4668 (rough estimate)

Brechungsindex

1.6400 (estimate)

Lagerbedingungen

2-8°C

pKa (Säurekonstante)

3.16±0.10(Predicted)

Aggregatzustand

powder to crystal

Farbe

White to Brown

BRN

2803055

InChI

InChI=1S/C6H6Cl2N2/c7-3-1-5(9)4(8)2-6(3)10/h1-2H,9-10H2

InChIKey

QAYVHDDEMLNVMO-UHFFFAOYSA-N

SMILES

C1(N)=CC(Cl)=C(N)C=C1Cl

CAS Datenbank

20103-09-7(CAS DataBase Reference)

EPA chemische Informationen

1,4-Benzenediamine, 2,5-dichloro- (20103-09-7)

Sicherheit & Vorschriften

GHS-Einstufung

This chemical does not meet GHS hazard criteria for 4.2% (2 of 48) of reports.WarningH302 (95.8%): Harmful if swallowed [Warning Acute toxicity, oral]P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P317, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 48 reports by companies from 7 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Regulatorische Informationen

REACH registered substance: 2,5-dichlorobenzene-1,4-diamine (EC: 243-512-1)

Gefahrenübersicht

Emergency treatment: Methemoglobinemia[HSDB] An irritant[MSDSonline]

Special Reports

EVIDENCE IS GIVEN SUPPORTING TESTING OF THE CLASS OF COMPOUNDS PHENYLENEDIAMINES FOR THEIR TOXIC EFFECTS ON HUMAN HEALTH AND THE ENVIRONMENT. THE RESULTS OF TOXICITY TESTING OF 22 COMPOUNDS ARE TABULATED AS ARE THE EFFECTS FOR WHICH TESTING IS BEING CONSIDERED FOR 13 COMPOUNDS, AND THE USES OR POTENTIAL USES OF 47 PHENYLENEDIAMINES.[UNITED STATES EPAPHENYLENEDIAMINESRESPONSE TO INTERAGENCY TESTING COMMITTEEFED REGIST 47(5) 973 (1982)]

Hazard Classes and Categories

Acute Tox. 4 (95.8%)

Unerwünschte Wirkungen

Methemoglobinemia - The presence of increased methemoglobin in the bloodthe compound is classified as secondary toxic effect

Human Toxicity Excerpts

POTENTIAL METHEMOGLOBIN FORMER

Wassergefährdungsklasse (WGK)

TSCA-Inventar-Status

TSCA listed

Zollcode

29215900

RTECS-Nr.

SS9150000