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1,4-Dicyanobenzene

1,4-Dicyanobenzene structure

CAS No.: 623-26-7

Chemical Name:: 1,4-Dicyanobenzene

Synonyms: TEREPHTHALONITRILE;BENZENE-1,4-DICARBONITRILE;1,4-BENZENEDICARBONITRILE;1,4-Dycyanobenzene;p-Dicyanobenzene;p-Pdn;p-Dicyanobezene;Tereftalonitril;4-Dicyanobenzene;P-PHTHALONITRILE

CBNumber:: CB7287994

Molecular Formula:: C8H4N2

Molecular Weight:: 128.13

MDL Number:: MFCD00001810

MOL File:: 623-26-7.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-05-28 06:10:19

Product description	Number	Pack Size	Price
1,4-Dicyanobenzene 98%	D76722	25g	$36.8
Terephthalonitrile >98.0%(GC)	T0016	25g	$42
Terephthalonitrile >98.0%(GC)	T0016	100g	$114
1,4-Dicyanobenzene	TRC-D436890-50G	50g	$95
1,4-Dicyanobenzene	TRC-D436890-25G	25g	$80
More product size

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1,4-Dicyanobenzene Properties

Melting point	221-225 °C (lit.)
Boiling point	227.54°C (rough estimate)
Density	1.3g/cm3(25℃)
vapor density	4.42
refractive index	1.6231 (estimate)
storage temp.	Sealed in dry,Room Temperature
solubility	Chloroform (Slightly), DMSO (Slightly)
form	Powder
color	White to light yellow
Water Solubility	0.08 g/L (23 ºC)
BRN	1072210
Exposure limits	NIOSH: IDLH 25 mg/m3
Stability	Stable. Incompatible with strong acids, strong bases, strong oxidizing agents, strong reducing agents.
InChI	1S/C8H4N2/c9-5-7-1-2-8(6-10)4-3-7/h1-4H
InChIKey	BHXFKXOIODIUJO-UHFFFAOYSA-N
SMILES	N#Cc1ccc(cc1)C#N
CAS DataBase Reference	623-26-7(CAS DataBase Reference)
EWG's Food Scores	1
FDA UNII	E6ITH5CIS3
NIST Chemistry Reference	1,4-Benzenedicarbonitrile(623-26-7)
EPA Substance Registry System	1,4-Benzenedicarbonitrile (623-26-7)
UNSPSC Code	12352100
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H315-H319-H335

Precautionary statements

P261-P264-P271-P280-P302+P352-P305+P351+P338

target organs

Respiratory system

Hazard Codes

Risk Statements

36/37/38

Safety Statements

26-24/25

RIDADR

3439

WGK Germany

RTECS

CZ1925000

TSCA

TSCA listed

HazardClass

6.1(b)

PackingGroup

III

HS Code

29269095

Storage Class

11 - Combustible Solids

Hazard Classifications

Eye Irrit. 2
Skin Irrit. 2
STOT SE 3

Toxicity

LD50 orl-rat: >6400 mg/kg ZAARAM 19,225,69

REACH Registrations

Active

NFPA 704

	1
2		0

1,4-Dicyanobenzene price More Price(51)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	D76722	1,4-Dicyanobenzene 98%	623-26-7	25g	$36.8	2026-04-30	Buy
TCI Chemical	T0016	Terephthalonitrile >98.0%(GC)	623-26-7	25g	$42	2026-04-30	Buy
TCI Chemical	T0016	Terephthalonitrile >98.0%(GC)	623-26-7	100g	$114	2026-04-30	Buy
TRC	TRC-D436890-50G	1,4-Dicyanobenzene	623-26-7	50g	$95	2026-06-03	Buy
TRC	TRC-D436890-25G	1,4-Dicyanobenzene	623-26-7	25g	$80	2026-06-03	Buy

Product number	Packaging	Price	Buy
D76722	25g	$36.8	Buy
T0016	25g	$42	Buy
T0016	100g	$114	Buy
TRC-D436890-50G	50g	$95	Buy
TRC-D436890-25G	25g	$80	Buy

1,4-Dicyanobenzene Chemical Properties,Uses,Production

Chemical Properties

biege powder

Uses

1,4-dicyanobenzene as a new internal standard in utilizing solid-state infrared intensity methods for the determination of thiocyanate bonding. Used as photosensitizer in [2+2] cycloadditions, nitrile building block.

Synthesis Reference(s)

The Journal of Organic Chemistry, 51, p. 4714, 1986 DOI: 10.1021/jo00374a041
Tetrahedron Letters, 8, p. 759, 1967

Safety Profile

Moderately toxic by ingestion and intraperitoneal routes. An eye irritant. When heated to decomposition it emits toxic fumes of CNand NO,. See also NITRILES.

Purification Methods

Crystallise the dinitrile from EtOH or AcOH, and has m 221.5-222.5o after sublimation. [Beilstein 9 H 846, 9 I 376, 9 II 613, 9 III 4255, 9 IV 3328.]

1,4-Dicyanobenzene Preparation Products And Raw materials

Raw materials

P-XYLENE DL-Limonene 4-Iodophenylboronic acid Ethyl (ethoxymethylene)cyanoacetate

Preparation Products

1,4-Bis(aminomethyl)benzene Methyl 4-cyanobenzoate 4-METHOXYCARBONYLBENZAMIDINE DIHYDROCHLORIDE 1,3-Bis(aminomethyl)benzene 3,4-DIMETHYL-3,4-DIPHENYLHEXANE

1,4-DIAMIDOXIMOBENZENE

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1,4-Dicyanobenzene Suppliers

Global( 387)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Hebei Chuanghai Biotechnology Co., Ltd	+8615350571055	Sibel@chuanghaibio.com	China	8738	58
Hebei Chuanghai Biotechnology Co,.LTD	+86-86-13131129325 +8613131129325	sales1@chuanghaibio.com	China	5225	58
airuikechemical co., ltd.	+86-18353166132	sales02@airuikechemical.com	China	983	58
Hebei Zhuanglai Chemical Trading Co.,Ltd	+8613343047651	admin@zlchemi.com	China	3692	58
Capot Chemical Co.,Ltd.	+86-（0）57185586718 +86-13336195806	sales@capot.com	China	29640	60
Shanghai Daken Advanced Materials Co.,Ltd	+86-2158073036	info@dakenam.com	China	14014	58
Henan Tianfu Chemical Co.,Ltd.	+86-0371-55170693 +86-19937530512	info@tianfuchem.com	China	21586	55
Shanghai Time Chemicals CO., Ltd.	+86-021-57951555 +8617317452075	jack.li@time-chemicals.com	China	1803	55
career henan chemical co	+86-0371-86658258 +8613203830695	sales@coreychem.com	China	29812	58
Jilin Chinese Academy of Sciences - Yanshen Technology Co., Ltd.	0431-80514535 13634302652	Extension@chemextension.com	CHINA	967	58

Supplier	Advantage
Hebei Chuanghai Biotechnology Co., Ltd	58
Hebei Chuanghai Biotechnology Co,.LTD	58
airuikechemical co., ltd.	58
Hebei Zhuanglai Chemical Trading Co.,Ltd	58
Capot Chemical Co.,Ltd.	60
Shanghai Daken Advanced Materials Co.,Ltd	58
Henan Tianfu Chemical Co.,Ltd.	55
Shanghai Time Chemicals CO., Ltd.	55
career henan chemical co	58
Jilin Chinese Academy of Sciences - Yanshen Technology Co., Ltd.	58

View Lastest Price from 1,4-Dicyanobenzene manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-05-28	1,4-Dicyanobenzene 623-26-7	$60.00	1KG	99.9%	100000kg	Hebei Chuanghai Biotechnology Co,.LTD
2026-03-20	1,4-Dicyanobenzene 623-26-7	$10.00	1KG	99%	10 mt	Hebei Chuanghai Biotechnology Co., Ltd
2025-12-02	1,4-Dicyanobenzene 623-26-7		1kg	98%	1000kg	Shaanxi Dideu New Materials Co. Ltd

1,4-Dicyanobenzene
623-26-7
$60.00
99.9%
Hebei Chuanghai Biotechnology Co,.LTD

1,4-Dicyanobenzene
623-26-7
$10.00
99%
Hebei Chuanghai Biotechnology Co., Ltd

1,4-Dicyanobenzene
623-26-7
98%
Shaanxi Dideu New Materials Co. Ltd

1,4-Dicyanobenzene Spectrum

1,4-Dicyanobenzene(623-26-7)MS 1,4-Dicyanobenzene(623-26-7)¹HNMR 1,4-Dicyanobenzene(623-26-7)¹³CNMR 1,4-Dicyanobenzene(623-26-7)IR1 1,4-Dicyanobenzene(623-26-7)IR2 1,4-Dicyanobenzene(623-26-7)Raman 1,4-Dicyanobenzene(623-26-7)ESR

623-26-7(1,4-Dicyanobenzene)Related Search:

1,3-Bis(aminomethyl)benzene Terephthalic acid 4-Dimethylaminobenzoic acid 4-Dimethylaminobenzaldehyde Dibutyl phthalate

Dimethyl phthalate 4-Cyanophenol Terephthaloyl chloride Benzonitrile p-Tolunitrile

4-Nitrobenzonitrile Terephthalaldehyde 1,4-Dimethoxybenzene mono-Methyl terephthalate Dioctyl terephthalate

Phthalic anhydride Phthalimide Phthalonitrile

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Terephthaloyl nitrile 1,4-Dicyanobenzene, 98% 100GR 1,4-Dicyanobenzene, 98% 25GR 1,4-Dicyanobenzene 98% Terephthalonitrile Vetec(TM) reagent grade, 98% Terephthalodinitrile for synthesis 1,4-Benzendikarbonitril 1,4-Benzodinitrile 4-Cyanobenzonitrile Nitril kyseliny tereftalove nitrilkyselinytereftalove p-Benzenedinitrile 1,4-Benzendikarbonit p-Dicyanobezene 1,4-Dicyanobenzene,98% 4-Dicyanobenzene p-Cyanobenzonitrile p-Dicyanobenzene p-Pdn p-Phthalodinitrile Tereftalodinitril Tereftalonitril Terephthalic acid dinitrile terephthalodinitril Terephthalonitrile (di) 4-PHTHALODINITRILE P-PHTHALONITRILE TEREPHTHALODINITRILE 1,4-DICYANOBENZENE / TEREPHTHALONITRILE 1,4-DICYANOBENZENE Terephthalonitrile,98% p-benzenedicarbonitrile Paraphthaonitrile Terephthalonitrile > 1,4-Dicyanobenzene 623-26-7 Terephthalonitrile 99% 1,4-Dicyanobenzene(TPN) 1,4-Dycyanobenzene 1,4-BENZENEDICARBONITRILE BENZENE-1,4-DICARBONITRILE TEREPHTHALONITRILE 623-26-7 632-26-7 1794-03-1 135543-46-6 C8H4N2 C8 to C9 Building Blocks Cyanides/Nitriles Organic Building Blocks Nitrogen Compounds Nitrile series Building Blocks C8 to C9 Chemical Synthesis Nitrogen Compounds Organic Building Blocks Aromatic Nitriles