Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 7,7,8,8-Tetracyanoquinodimethane
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Zhongshan Xingrui Chemical Co. , Ltd.
China
Product Name: Tetracyanoquinodimethane
Price: ￥Inquiry/25kg
Purity: 99.0%
Stocking Period: Inquiry
Contact: Wang Jie
Email: 3096638339@qq.com

1518-16-7

1518-16-7 structure

1518-16-7 structure

Name: Tetracyanoquinodimethane
Chemical Name: tetracyanoquinodimethane
CAS Number: 1518-16-7
Molecular Formula: C₁₂H₄N₄
Molecular Weight: 204.187
Create Date: 2018-12-23 23:19:15
Modify Date: 2026-06-30 21:04:38

Name	tetracyanoquinodimethane
Synonyms	etracyanoquinodimethane 7,7,8,8-TETRACYANOQUINODIMETHANE TCNQ 1,4-BIS(DICYANOMETHYLENE)CYCLOHEXADIENE 7,7,8,8-TetracyanoquinodiMethane (purified by subliMation) 7,7,8,8-TetracyanoquinodiMethane, R (2,5-Cyclohexadiene-1,4-diylidene) TCNQ/7,7'',8,8''-TETRACYANOQUINO-DIMETHANE 7,7,8,8-Tetracyanoquinodimethane> 2,2’-(2,5-cyclohexadiene-1,4-diylidene)bis-propanedinitril 2,5-CYCLOHEXADIENE-1,4-DIYLIDENE-A,A'-DIMALONONITRILE Tetracyanoquinodimethan 7,7,8,8-Tetracyano-1,4-chinodimethan EINECS 216-174-8 7,7,8,8-Tetracyanoqu 2,5-cyclohexadiene-delta(sup1,alpha:4,alpha)-dimalononitrile TETRACYANODIMETHANOQUINONE 2-[4-(dicyanomethylidene)cyclohexa-2,5-dien-1-ylidene]propanedinitrile 1,4-Bis(dicyanomethylene)cyclohexadiene TCNQ 7,7,8,8-Tetracyanodimethan 2-[4-(Dicyanomethylidene)-1-cyclohexa-2,5-dienylidene]propanedinitrile 7,7,8,8-TETRACYANO-1,4-QUINODIMETHANE 2,5-Cyclohexadiene-1,4-diylidene-alpha,alpha'-dimalononitrile 7,7',8,8'-Tetracyanoquinodimethane MFCD00011664 TCNQ/TETRACYANO-QUINODIMETHA 2,2'-(Cyclohexa-2,5-diene-1,4-diylidene)dipropane-1,3-dinitrile, TCNQ 2,2'-(Cyclohexa-2,5-diene-1,4-diylidene)dimalononitrile 7,7,8,8-Tetracyanoquinonedimethane 7,7,8,8-Tetracyano-1,4-quinodimethan (2,5-CYCLOHEXADIENE-1,4-DIYLIDENE)DIMALONONITRILE 2-[4-(dicyanomethylidene)cyclohexa-2,5-dienyliden]malononitrile cyclohexa-1,2,4,5-tetraene TETRACYANOQUINODIMETHANE 2,2'-(2,5-cyclohexadiene-1,4-diylidene)bispropanedinitrile 7,7,8,8-Tetracyanoquinodimethane 2,5-Cyclohexadiene-delta(sup1alpha:4alpha)dimalononitrile Tetracyano p-Quinone Dimethane (2,5-CYCLOHEXADIENE-1,4-DIYLIDENE)MALONONITRILE TETRACYANO P-QUINODIMETHANE 7,7,8,8-TetracyanoquinodiMethane (2,5-Cyclohexadiene-1,4-diylidene)-dimalononitrile 2,2'-cyclohexa-2,5-diene-1,4-diylidenedipropanedinitrile 2,2'-(2,5-cyclohexadiene-1,4-diylidene)bismalononitrile 2,2'-(2,5-Cyclohexadiene-1,4-diylidene)dimalononitrile Propanedinitrile, 2,2-(2,5-cyclohexadiene-1,4-diylidene)bis (2,5-Cyclohexadiene-1,4-diylidene)-dimalononitrile, TCNQ 7,7,8,8-Tetracyano-p-quinodimethane TCNQ TIMTEC-BB SBB000435 2,5-CYCLOHEXADIENE-DELTA1,ALPHA4,ALPHA'-DIMALONONITRILE 7,7,8,8-tetracyanoquinoedimethane 7,7',8,8'-tetracyanoquinodimethane 7,7,8,8-Tetracyanoquinodimethane,TCNQ Quinodimethan, tetracyano Propanedinitrile,2,2’-(2,5-cyclohexadien-1,4-diylidene)bis Tetracyanoquinodimethane: (Ultima Gold AB) 7,7,8,8-Tetracyanoquino-Dimeth TCNQ 7,7,8,8-Tetracyanoquinodimethan cyclohexa-2,5-diene-1,4-diylidene-bis-malononitrile 2,2'-Cyclohexa-2,5-diene-1,4-diylidenedimalononitrile tetracyano-quinodimetha 1,4-BIS(DICYANOMETHYLENE)-2,5-CYCLOHEXADIENE

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

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

Symbol	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

Precursor 9
1518-15-6 91268-73-4 1425681-46-4 18643-56-6
64985-89-3 100-20-9 112096-34-1 35079-56-2
1518-16-7
DownStream 10
40210-84-2 588-46-5 100-52-7 108-95-2
882-33-7 77074-97-6 208-96-8 2816-43-5
2816-39-9 1626-24-0

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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