2,3,5,6-Tetrachloroterephthalonitrile

Modify Date: 2026-07-01 10:38:37

2,3,5,6-Tetrachloroterephthalonitrile Structure
2,3,5,6-Tetrachloroterephthalonitrile structure
 Common Name 2,3,5,6-Tetrachloroterephthalonitrile
CAS Number 1897-41-2 Molecular Weight 265.911
Density 1.7±0.1 g/cm3 Boiling Point 370.1±42.0 °C at 760 mmHg
Molecular Formula C8Cl4N2 Melting Point 308-312 °C(lit.)
MSDS Chinese USA Flash Point 166.8±22.1 °C
Symbol GHS07 GHS09
GHS07, GHS09		 Signal Word Warning

 Names

Name 2,3,5,6-tetrachlorobenzene-1,4-dicarbonitrile
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.7±0.1 g/cm3
Boiling Point 370.1±42.0 °C at 760 mmHg
Melting Point 308-312 °C(lit.)
Molecular Formula C8Cl4N2
Molecular Weight 265.911
Flash Point 166.8±22.1 °C
Exact Mass 263.881561
PSA 47.58000
LogP 3.24
Vapour Pressure 0.0±0.8 mmHg at 25°C
Index of Refraction 1.633
InChIKey TXRVDQMSXQKAPG-UHFFFAOYSA-N
SMILES N#Cc1c(Cl)c(Cl)c(C#N)c(Cl)c1Cl

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
TI8275000
CHEMICAL NAME :
p-Phthalodinitrile, tetrachloro-
CAS REGISTRY NUMBER :
1897-41-2
LAST UPDATED :
199612
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C8-Cl4-N2
MOLECULAR WEIGHT :
265.90
WISWESSER LINE NOTATION :
NCR BG CG EG FG DCN

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>300 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JMCMAR Journal of Medicinal Chemistry. (American Chemical Soc., Distribution Office Dept. 223, POB POB 57136, West End Stn., Washington, DC 20037) V.6- 1963- Volume(issue)/page/year: 21,906,1978
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1581 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Gastrointestinal - other changes
REFERENCE :
INHEAO Industrial Health. (National Institute of Industrial Health, 6-21-1 Nagao, Tama-ku, Kawasaki, 213 Japan) V.1- 1963- Volume(issue)/page/year: 4,11,1966

 Safety Information

Symbol GHS07 GHS09
GHS07, GHS09
Signal Word Warning
Hazard Statements H317-H410
Precautionary Statements P273-P280-P501
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Faceshields;Gloves
Hazard Codes Xi: Irritant;N: Dangerous for the environment;
Risk Phrases R43
Safety Phrases S24-S37-S61-S60
RIDADR 3077
WGK Germany 1
RTECS TI8275000
HS Code 2926909090

 Customs

HS Code 2926909090
Summary HS:2926909090 other nitrile-function compounds VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

 2,3,5,6-TetrachloroterephthalonitrileBioassay

View more

Name: Antiinflammatory activity in Long Evans rat assessed as reduction of carrageenan-indu...
Source: ChEMBL
Target: Rattus norvegicus
External Id: CHEMBL3253010
Name: Toxicity in mouse assessed as overt effects
Source: ChEMBL
Target: Mus musculus
External Id: CHEMBL3257605
Total 2, Current Page 1 of 1
1

 Synonyms

p-Tetrachlorophthalodinitrile
1,4-dicyano-2,3,5,6-tetrachlorobenzene
Tetrachloroterephthalonitrile
p-TCPN
tetrachloroterephthalic nitrile
1,4-(CN)2-C6Cl4
Perchloroterephthalonitrile
tetrachloro-p-dicyanobenzene
1,4-Benzenedicarbonitrile,2,3,5,6-tetrachloro
2,3,5,6-tetrachloroterephthalodinitrile
EINECS 401-550-8
MFCD00059583
p-Phthalodinitrile,tetrachloro
2,3,5,6-Tetrachloroterephthalonitrile
2,3,5,6-tetrachloro-1,4-benzenedicarbonitrile
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