Tetracyanoquinodimethane

Modify Date: 2024-01-02 13:27:18

Tetracyanoquinodimethane Structure
Tetracyanoquinodimethane structure
Common Name Tetracyanoquinodimethane
CAS Number 1518-16-7 Molecular Weight 204.187
Density 1.4±0.1 g/cm3 Boiling Point 254.7±40.0 °C at 760 mmHg
Molecular Formula C12H4N4 Melting Point 287-289 °C (dec.)(lit.)
MSDS Chinese USA Flash Point 99.7±21.2 °C
Symbol GHS06
GHS06
Signal Word Danger

 Names

Name tetracyanoquinodimethane
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.4±0.1 g/cm3
Boiling Point 254.7±40.0 °C at 760 mmHg
Melting Point 287-289 °C (dec.)(lit.)
Molecular Formula C12H4N4
Molecular Weight 204.187
Flash Point 99.7±21.2 °C
Exact Mass 204.043594
PSA 95.16000
LogP -0.36
Vapour Pressure 0.0±0.5 mmHg at 25°C
Index of Refraction 1.630
Stability Stable. Incompatible with strong acids, strong bases, strong reducing agents, strong oxidizing agents.
Water Solubility insoluble

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
GU4850000
CAS REGISTRY NUMBER :
1518-16-7
LAST UPDATED :
199701
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C12-H4-N4
MOLECULAR WEIGHT :
204.20
WISWESSER LINE NOTATION :
L6Y DYJ AUYCN&CN DUYCN&CN

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
56 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#00796

 Safety Information

Symbol GHS06
GHS06
Signal Word Danger
Hazard Statements H301 + H311 + H331
Precautionary Statements P261-P280-P301 + P310-P311
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xn:Harmful;
Risk Phrases R20/21/22
Safety Phrases S22-S24/25-S36/37-S26
RIDADR 3276
WGK Germany 3
RTECS GU4850000
Packaging Group II
Hazard Class 6.1
HS Code 29269095

 Synthetic Route

 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%

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 Synonyms

2-[4-(dicyanomethylidene)cyclohexa-2,5-dien-1-ylidene]propanedinitrile
(2,5-Cyclohexadiene-1,4-diylidene)-dimalononitrile
Propanedinitrile, 2,2'- (2,5-cyclohexadiene-1,4-diylidene)bis-
2,2'-cyclohexa-2,5-diene-1,4-diylidenedipropanedinitrile
7,7',8,8'-Tetracyanoquinodimethane
MFCD00011664
2,2'-(2,5-Cyclohexadiene-1,4-diylidene)dimalononitrile
2,2'-Cyclohexa-2,5-diene-1,4-diylidenedimalononitrile
Propanedinitrile, 2,2'-(2,5-cyclohexadiene-1,4-diylidene)bis-
TCNQ
Tetracyanoquinodimethane
2,2'-(Cyclohexa-2,5-diene-1,4-diylidene)dimalononitrile
2-[4-(dicyanomethylidene)cyclohexa-2,5-dienyliden]malononitrile
EINECS 216-174-8
7,7,8,8-Tetracyanoquinodimethane