Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 2,5-Dichloro-1,4-phenylenediamine
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 2,5-Dichloro-1,4-phenylenediamine
Price: ￥488.0/25g ￥168.0/5g
Purity: 98.0%
Stocking Period: 2 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2,5-Dichlorobenzene-1,4-diamine
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: 2,5-Dichlorobenzene-1,4-diamine
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

20103-09-7

20103-09-7 structure

20103-09-7 structure

Name: 2,5-Dichloro-1,4-phenylenediamine
Chemical Name: 2,5-Dichlorobenzene-1,4-diamine
CAS Number: 20103-09-7
Molecular Formula: C₆H₆Cl₂N₂
Molecular Weight: 177.031
Create Date: 2018-04-27 08:00:00
Modify Date: 2025-08-25 21:57:32

Name	2,5-Dichlorobenzene-1,4-diamine
Synonyms	2,5-Dichloro-1,4-benzenediamine 1,4-Diamino-2,5-dichlorobenzene ZR DZ BG EG 2,5-Dichlor-p-phenylendiamin 2,4-DICHLOROPHENOL (13C6) p-Phenylenediamine,2,5-dichloro 1,4-Benzenediamine, 2,5-dichloro- 2,5-dichlorobenzene-1,4-diamine 2,5-dichloro-1,4-phenylenediamine EINECS 243-512-1 2,5-dichloro-benzene-1,4-diamine 1,4-Diamino-3,6-dichlorobenzene MFCD00007902 2,5-Dichloro-p-phenylenediamine

Density	1.5±0.1 g/cm3
Boiling Point	303.7±37.0 °C at 760 mmHg
Melting Point	164-166 °C (dec.)(lit.)
Molecular Formula	C₆H₆Cl₂N₂
Molecular Weight	177.031
Flash Point	137.5±26.5 °C
Exact Mass	175.990799
PSA	52.04000
LogP	1.76
Vapour Pressure	0.0±0.6 mmHg at 25°C
Index of Refraction	1.679
Storage condition	2-8°C

CHEMICAL IDENTIFICATION

RTECS NUMBER :: SS9150000

CHEMICAL NAME :: p-Phenylenediamine, 2,5-dichloro-

CAS REGISTRY NUMBER :: 20103-09-7

LAST UPDATED :: 199701

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C6-H6-Cl2-N2

MOLECULAR WEIGHT :: 177.04

WISWESSER LINE NOTATION :: ZR DZ BG EG

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1750 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: 85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,611,1986

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H302-H315-H319-H335
Precautionary Statements	P261-P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xn:Harmful;
Risk Phrases	R22
Safety Phrases	S26-S36/37/39
RIDADR	NONH for all modes of transport
WGK Germany	3
RTECS	SS9150000
HS Code	2921519090

Precursor 8
6627-34-5 130-15-4 42344-05-8 854780-20-4
615-93-0 2621-62-7 314751-38-7 17488-25-4
DownStream 7
30204-87-6 95-94-3 615-93-0 102160-68-9
31352-26-8 314751-38-7 97954-63-7

HS Code	2921519090
Summary	2921519090. o-, m-, p-phenylenediamine, diaminotoluenes, and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:17.0%. . MFN tariff:6.5%. General tariff:30.0%

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