1,2,4,5-TETRACYANOBENZENE

Modify Date: 2025-08-20 19:53:14

1,2,4,5-TETRACYANOBENZENE Structure
1,2,4,5-TETRACYANOBENZENE structure
Common Name 1,2,4,5-TETRACYANOBENZENE
CAS Number 712-74-3 Molecular Weight 178.150
Density 1.4±0.1 g/cm3 Boiling Point 446.1±45.0 °C at 760 mmHg
Molecular Formula C10H2N4 Melting Point 265-268 °C(lit.)
MSDS Chinese USA Flash Point 235.3±22.6 °C
Symbol GHS06
GHS06
Signal Word Danger

 Names

Name 1,2,4,5-Tetracyanobenzene
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.4±0.1 g/cm3
Boiling Point 446.1±45.0 °C at 760 mmHg
Melting Point 265-268 °C(lit.)
Molecular Formula C10H2N4
Molecular Weight 178.150
Flash Point 235.3±22.6 °C
Exact Mass 178.027939
PSA 95.16000
LogP -0.85
Vapour Pressure 0.0±1.1 mmHg at 25°C
Index of Refraction 1.610
Stability Stable. Incompatible with strong oxidizing agents.

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DB9100000
CHEMICAL NAME :
1,2,4,5-Benzenetetracarbonitrile
CAS REGISTRY NUMBER :
712-74-3
LAST UPDATED :
199410
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C10-H2-N4
MOLECULAR WEIGHT :
178.16
WISWESSER LINE NOTATION :
NCR BCN DCN ECN

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 :
28 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
TPKVAL Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv. Toxicology of New Industrial Chemical Substances. For English translation, see TNICS*. (Izdatel'stvo Meditsina, Moscow, USSR) No.1- 1961- Volume(issue)/page/year: 7,180,1965

 Safety Information

Symbol GHS06
GHS06
Signal Word Danger
Hazard Statements H300-H311-H331
Precautionary Statements P261-P264-P280-P301 + P310-P311
Personal Protective Equipment Eyeshields;Faceshields;Gloves;type P2 (EN 143) respirator cartridges
Hazard Codes T
Risk Phrases R23/24/25
Safety Phrases S36/37/39-S45
RIDADR UN 3439 6.1/PG 2
WGK Germany 3
RTECS DB9100000
Packaging Group II
Hazard Class 6.1(a)
HS Code 2926909090

 Synthetic Route

1,2,4,5-TETRACYANOBENZENE Structure

1,2,4,5-TETRACY...

CAS#:712-74-3

~%

1,2,4,5-TETRACYANOBENZENE Structure

1,2,4,5-TETRACY...

CAS#:712-74-3

Literature: Journal of Organic Chemistry, , vol. 61, # 4 p. 1413 - 1420
1,2,4,5-TETRACYANOBENZENE Structure

1,2,4,5-TETRACY...

CAS#:712-74-3

~%

1,2,4,5-TETRACYANOBENZENE Structure

1,2,4,5-TETRACY...

CAS#:712-74-3

Literature: Journal of Organic Chemistry, , vol. 61, # 4 p. 1413 - 1420

 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%

 Articles9

More Articles
Inelastic and quasielastic neutron scattering and IR and R spectroscopic studies of 1, 2, 4, 5-tetracyanobenzene (TCNB)-1, 2, 4, 5-tetramethylbenzene (durene) complex. Bator G, et al.

Phase Transitions 80(6-7) , 489-500, (2007)

Application of time-resolved linear dichroism spectroscopy: Relaxation of excited hexamethylbenzene/1, 2, 4, 5-tetracyanobenzene charge-transfer complexes. Arnold BR, et al.

J. Phys. Chem. A 105(3) , 537-543, (2001)

Structural Studies of the 1: 1 Complex of o-3, 4-Dimethyltetrathiafulvalene (o-Me2TTF) and 1, 2, 4, 5-Tetracyanobenzene (TCNB). Reinheimer EW, et al.

J. Chem. Crystallogr. 40(6) , 514-519, (2010)

 Synonyms

Benzol-1,2,4,5-tetracarbonitril
MFCD00043481
1,2,4,5-Benzenetetracarbonitrile
benzene-1,2,4,5-tetracarbonitrile
1,2,4,5-TETRACYANOBENZENE
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