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1,4-Difluorobenzene

1,4-Difluorobenzene structure

CAS No.: 540-36-3

Chemical Name:: 1,4-Difluorobenzene

Synonyms: P-DIFLUOROBENZENE;48944;p-DFB;1,4-DifL;1.4-Difluorobe;For fluorobenzene;p-difluoro-benzen;4-Difluorobenzene;1,4-Difluorbenzol;1,4-Fluorobenzene

CBNumber:: CB4853763

Molecular Formula:: C6H4F2

Molecular Weight:: 114.09

MDL Number:: MFCD00000344

MOL File:: 540-36-3.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-06-23 16:59:16

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1,4-Difluorobenzene Properties

Melting point	-13 °C (lit.)
Boiling point	88-89 °C (lit.)
Density	1.11 g/mL at 25 °C (lit.)
refractive index	n20/D 1.441(lit.)
Flash point	36 °F
storage temp.	room temp
solubility	1.2g/l
form	Liquid
color	Clear colorless to slightly yellow
Specific Gravity	1.110
Specific Heat Capacity	Cp(liquid): 1.38 J/(g·K), at 25℃
Merck	14,3148
BRN	1904541
Henry's Law Constant	1.6×10^-3 mol/(m³Pa) at 25℃, Hiatt (2013)
Dielectric constant	2.2599999999999998
Major Application	environmental
InChI	1S/C6H4F2/c7-5-1-2-6(8)4-3-5/h1-4H
InChIKey	QUGUFLJIAFISSW-UHFFFAOYSA-N
SMILES	Fc1ccc(F)cc1
CAS DataBase Reference	540-36-3(CAS DataBase Reference)
EWG's Food Scores	1
FDA UNII	Y9FQ2EF0Z6
NIST Chemistry Reference	Benzene, 1,4-difluoro-(540-36-3)
EPA Substance Registry System	1,4-Difluorobenzene (540-36-3)
UNSPSC Code	12352100
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS02

Signal word

Danger

Hazard statements

H333-H225

Precautionary statements

P501-P240-P210-P233-P243-P241-P242-P280-P370+P378-P304+P312-P303+P361+P353-P403+P235

PPE

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Hazard Codes

F,Xn,T

Risk Statements

11-20-39/23/24/25-23/24/25

Safety Statements

16-29-33-7-45-36/37-7/9

RIDADR

UN 1993 3/PG 2

WGK Germany

RTECS

CZ5658000

Hazard Note

Highly Flammable

HazardClass

PackingGroup

HS Code

29036990

Storage Class

3 - Flammable liquids

Hazard Classifications

Flam. Liq. 2

Limited Quantities

1.0 L (0.3 gallon) (liquid)

Excepted Quantities

Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml)

NFPA 704

	3
1		0

1,4-Difluorobenzene price More Price(35)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	D102202	1,4-Difluorobenzene ≥99%	540-36-3	25g	$84.5	2026-04-30	Buy
Sigma-Aldrich	D102202	1,4-Difluorobenzene ≥99%	540-36-3	100g	$171	2026-04-30	Buy
Sigma-Aldrich	442249	1,4-Difluorobenzene analytical standard	540-36-3	1000mg	$207	2026-04-30	Buy
Sigma-Aldrich	48944	1,4-Difluorobenzene solution certified reference material, 2000?μg/mL in methanol	540-36-3	1mL	$35.7	2022-05-15	Buy
TCI Chemical	D1628	1,4-Difluorobenzene >99.0%(GC)	540-36-3	5g	$21	2026-04-30	Buy

Product number	Packaging	Price	Buy
D102202	25g	$84.5	Buy
D102202	100g	$171	Buy
442249	1000mg	$207	Buy
48944	1mL	$35.7	Buy
D1628	5g	$21	Buy

1,4-Difluorobenzene Chemical Properties,Uses,Production

Chemical Properties

Clear colorless to light yellow liquid

Uses

1,4-Difluorobenzene is used in method for production of prepolymers containing Polyoxymethylene block.

Definition

ChEBI: 1,4-difluorobenzene is a difluorobenzene.

1,4-Difluorobenzene Preparation Products And Raw materials

Raw materials

Fluoroboric acid 1-Fluoro-4-(trimethylsilyl)benzene 4-Fluorobenzenediazonium tetrafluoroborate 4-Fluoroaniline 4-Fluorophenol

Preparation Products

Hydroquinidine (anthraquinone-1,4-diyl) diether 2,5-Difluoroaniline 5-Fluoro-2-methylbenzothiazole 2,5-Difluoronitrobenzene Fluorobenzene

Sodium tetrafluoroborate 1-Bromo-4-fluoro-2-nitrobenzene 2,5-Difluorophenol 4-Methoxy-2-nitrobenzoic acid 1,2,4-Trifluorobenzene

4-Benzyloxyfluorobenzene 2,5-Difluorobenzoic acid 1,4-Difluoroanthraquinone

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1,4-Difluorobenzene Suppliers

Global( 351)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
SHANGHAI BANGCHENG CHEMICAL Co.,Ltd.	021-69106960 13701823997	13701823733@163.com	China	4634	60
Zhejiang Xieshi New Materials Co., Ltd.,	17858121723	sales09@xieshichem.com	China	191	58
Meryer (Shanghai) Chemical Technology Co., Ltd.	4006356688 18621169109	market03@meryer.com	China	40202	62
Alfa Aesar	400-6106006	saleschina@alfa-asia.com	China	30103	84
TCI (Shanghai) Development Co., Ltd.	021-67121386	Sales-CN@TCIchemicals.com	China	24512	81
Energy Chemical	400-0056266	sales8178@energy-chemical.com	China	44850	61
Wuhan Chemwish Technology Co., Ltd	86-027-67849912	sales@chemwish.com	China	35884	56
Capot Chemical Co., Ltd	+86 (0) 571 85 58 67 18		China	18187	66
JinYan Chemicals(ShangHai) Co.,Ltd.	13817811078	sales@jingyan-chemical.com	China	9963	60
Shanghai Sinch Parmaceuticals Tech. Co. Ltd.	+86-21-54098501	sales@sinch.com.cn	China	11592	64

Supplier	Advantage
SHANGHAI BANGCHENG CHEMICAL Co.,Ltd.	60
Zhejiang Xieshi New Materials Co., Ltd.,	58
Meryer (Shanghai) Chemical Technology Co., Ltd.	62
Alfa Aesar	84
TCI (Shanghai) Development Co., Ltd.	81
Energy Chemical	61
Wuhan Chemwish Technology Co., Ltd	56
Capot Chemical Co., Ltd	66
JinYan Chemicals(ShangHai) Co.,Ltd.	60
Shanghai Sinch Parmaceuticals Tech. Co. Ltd.	64

View Lastest Price from 1,4-Difluorobenzene manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-09-02	1,4-Difluorobenzene 540-36-3		20kg	99%	20 tons	Qingdao RENAS Polymer Material Co., Ltd.
2026-09-02	1,4-Difluorobenzene 540-36-3	$1.00-100.00	1KG	99%		Henan Fengda Chemical Co., Ltd
2019-07-06	1,4-Difluorobenzene 540-36-3	$1.00	1kg	99%		Career Henan Chemical Co

1,4-Difluorobenzene
540-36-3
$0.00
99%
Qingdao RENAS Polymer Material Co., Ltd.

1,4-Difluorobenzene
540-36-3
$1.00-100.00
99%
Henan Fengda Chemical Co., Ltd

1,4-Difluorobenzene
540-36-3
$1.00
99%
Career Henan Chemical Co

1,4-Difluorobenzene Spectrum

1,4-Difluorobenzene(540-36-3)MS 1,4-Difluorobenzene(540-36-3)¹HNMR 1,4-Difluorobenzene(540-36-3)¹³CNMR 1,4-Difluorobenzene(540-36-3)IR1 1,4-Difluorobenzene(540-36-3)Raman

540-36-3(1,4-Difluorobenzene)Related Search:

Florfenicol 3,4-Difluorobenzoic acid 4-Fluorobenzaldehyde 2,4-Difluorophenol 3,4-Difluorobenzonitrile

3,4-Difluorophenol Transfluthrin 2,4-Difluorobenzoic acid hexafluorobenzene 1,2,3,4-Tetrafluorobenzene

Bromopentafluorobenzene Pentafluorobenzene 1,3-Difluorobenzene 2,3,4,5,6-Pentafluoroanisole 2,3,4,5,6-Pentafluorostyrene

Allylpentafluorobenzene Bis(pentafluorophenyl)phenylphosphine α-Bromo-2,3,4,5,6-pentafluorotoluene

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1,4-Difluorobenzene 100mg [540-36-3] 1,4-Difluorobenzene, 99+% 25ML Ontwofluorobenzene For fluorobenzene 1.4-Difluorobe P-DIFLUOROBENZENE 1,4-difluoro-benzen 1,4-difluroethylene Benzene, p-difluoro- benzene,1,4-difluoro- 1,4-difluorobenzene radical cation N. N-dimethylaminoethanolamine Benzene,p-difluoro- para-Difluorobenzene p-difluoro-benzen 1,4-DIFLUOROBENZENE 1,4 DIFLUOROBENZENE, 1X1ML, MEOH, 2000UG /ML 1,4-DIFLUOROBENZENE, 99+% 1,4-DIFLUOROBENZENE, 1000MG, NEAT 4-Difluorobenzene 1,4-Difluorobenzene,98+% 1,4-difluorobenzene cas:540-36-3 p-Difluorobenzene,99% 1,4-difluorobenzene solution 48944 1,4-Difluorbenzol 1,4-DifL 1,4-Fluorobenzene 1,4-DifluorobenzeneSolution,20mg/L,1ml 1,4-DifluorobenzeneSolution,50,000mg/L,1ml 1,4-Difluorobenzene > 1,4-DifluorobenzeneSolution,2,000mg/L,1ml 1,4-Difluorobenzene ISO 9001：2015 REACH Glycerol Impurity 60 1,4-Difluorobenzene Solution in Methanol p-DFB 540-36-3 540363 Building Blocks Aryl Halogenated Hydrocarbons Organic Building Blocks C6 Fluorine series alkyl Fluorine Method 624EPA Alpha Sort D DAlphabetic DID - DINChemical Class Fluoro Halogenated Volatiles/ Semivolatiles Aromatic Hydrocarbons (substituted) & Derivatives Fluorobenzene Aryl Halogenated Hydrocarbons Method 8020