CAS Search
Related Chemical Product
Buy Chemical NO: 2713-33-9
  • Urgent Purchase CAS NO.:2713-33-9
  • Please post your buying leads! Our suppliers will contact you later!
  • For suppliers to better understand your request, enter more info here.

* Product Name:
CAS No.:
* Quantity:
 Metric Ton     Kilogram    Gram    Pound
* Valid For:
 5 Days    15    1 Month    3 Month    6 Month    1 Year
* Description:

Max 2000 characters.  Please enter detailed description for the product.
* Email:

3,4-Difluorophenol ( CASNO:2713-33-9 )

Identification and Related Records
CAS Registry number:
Iupac name:
Molecular Formula:
Molecular Weight:
Canonical SMILES:
Chemical and Physical Properties
white to light yellow crystals
1.351 g/cm3
Melting Point:
Boiling Point:
85℃ (20 mmHg)
0.53mmHg at 25°C
Refractive Index:
Flash Point:
HS Code:
Computed Properties:
Molecular Weight:130.092166 [g/mol]
Molecular Formula:C6H4F2O
H-Bond Donor:1
H-Bond Acceptor:3
Rotatable Bond Count:0
Tautomer Count:3
Exact Mass:130.023021
MonoIsotopic Mass:130.023021
Topological Polar Surface Area:20.2
Heavy Atom Count:9
Formal Charge:0
Isotope Atom Count:0
Defined Atom Stereocenter Count:0
Undefined Atom Stereocenter Count:0
Defined Bond Stereocenter Count:0
Undefined Bond Stereocenter Count:0
Covalently-Bonded Unit Count:1
Feature 3D Donor Count:1
Feature 3D Ring Count:1
Effective Rotor Count:0
Conformer Sampling RMSD:0.4
CID Conformer Count:1
Safety and Handling
Hazard Codes:
Risk Statements:
Safety Statements:
Hazard Note:
Hazard Codes:Xi,F,C,Xn
Risk Statements:36/37/38-34-20/21/22-11
36/37/38:Irritating to eyes, respiratory system and skin
34:Causes burns
20/21/22:Harmful by inhalation, in contact with skin and if swallowed
11:Highly Flammable
Safety Statements:26-36-45-36/37/39-16
26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36:Wear suitable protective clothing
45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
36/37/39:Wear suitable protective clothing, gloves and eye/face protection
16:Keep away from sources of ignition - No smoking
RIDADR:UN 1325 4.1/PG 2
WGK Germany:3
Hazard Note:Irritant
HS Code:29081000
UN 1325
?The 3,4-Difluorophenol, with the?CAS registry number 2713-33-9, is a kind of white to yellowish crystalline low melting solid. This chemical is usually applied in the liquid crystal materials, with the product categories including Fluorobenzene Series;Aromatic Phenols; Fluorobenzene; Phenol&Thiophenol&Mercaptan; Fluorine Compounds; Phenols; Fluorophenols; Organic Building Blocks; Oxygen Compounds. The physical properties of this chemical are as follows: (1)ACD/LogP: 2.13; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 2.13; (4)ACD/LogD (pH 7.4): 2.12; (5)ACD/BCF (pH 5.5): 24.39; (6)ACD/BCF (pH 7.4): 23.77; (7)ACD/KOC (pH 5.5): 342.38; (8)ACD/KOC (pH 7.4): 333.72; (9)#H bond acceptors: 1; (10)#H bond donors: 1; (11)#Freely Rotating Bonds: 1; (12)Polar Surface Area: 9.23 ; (13)Index of Refraction: 1.495; (14)Molar Refractivity: 28.12 cm3; (15)Molar Volume: 96.2 cm3; (16)Polarizability: 11.14 ×10-24 cm3; (17)Surface Tension: 36.4 dyne/cm; (18)Density: 1.351 g/cm3; (19)Flash Point: 57.8 °C; (20)Enthalpy of Vaporization: 43.81 kJ/mol; (21)Boiling Point: 184.6 °C at 760 mmHg; (22)Vapour Pressure: 0.53 mmHg at 25°C; (23)Exact Mass: 130.023021 ; (24)MonoIsotopic Mass: 130.023021 ; (25)Topological Polar Surface Area: 20.2 ; (26)Heavy Atom Count: 9 ; (27)Complexity: 97.1. When you are dealing with this chemical, you should be much more cautious. For one thing, it is irritant to eyes, respiratory system and skin, which may also cause inflammation to the skin or other mucous membranes. For another thing, it is harmful which may cause damage to health. If by inhalation, in contact with skin and if swallowed, it will be dangerous. In addition, it is corrosive which may destroy living tissue on contact. Beside all these, it is highly flammable which may catch fire in contact with air, only needing brief contact with an ignition source, and it has a very low flash point or evolve highly flammable gases in contact with water.? Therefore, you should take the following instructions to protect yourself. Wear suitable protective clothing, gloves and eye/face protection. If in case of contact with eyes, rinse immediately with plenty of water and seek medical advice and if in case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) Besides, keep away from sources of ignition.? In addition, you could convert the following datas into the molecular structure:
(1)Canonical SMILES: C1=CC(=C(C=C1O)F)F
(2)InChI: InChI=1S/C6H4F2O/c7-5-2-1-4(9)3-6(5)8/h1-3,9H
Use and Manufacturing
Intermediates of Liquid Crystals
Biomedical Effects and Toxicity
Therapeutic Uses:
Intermediates of Liquid Crystals
Chemical Company
Huangshi Shixing Pharmaceutical Co., Ltd.:
Huangshi Shixing Pharmaceutical Co., Ltd., whose predecessor is Huangshi No.4 pharmaceutical factory,began in 1992. It's a high-tech enterprise established and Collectively-possessed by Huangshi lnstitule of Technology and former Huangshi No.4 pharmaceutical factory .It's situated in Dapuan Road Pharmacy Industry Garden,Huangshi Economic & Technical Development Zone and covers land over 2,000 square meters .The guarana plant structures is near to the changjiang River and Hurong Expressway with convenient traffic conditions and beautiful scenery. Ⅰ?uangshi Shixing Pharmaceutical Co.,Ltd. is definitely an enterprise which mainly produces raw material medicine and has transpired GMP examination in The month of january 2005. At the moment,Huangshi Shixing Pharmaceutical Co.,Ltd. has swi 
Beijing Kingbo Biotech Co., Ltd:
Shijiazhuang Xingtang Chemical Co.,Ltd.:
Shanghai Ascen Chemical Co.,ltd:
Xuzhou Yacheng Chemical Technology Co., Ltd:
Xuzhou Yacheng Chemical Technology Co., Ltd. is really a hi-tech enterprise integrating R&D, production, Operation and marketing together, mainly involved in developing production, pesticide midbody, medicine midbody, and also sell several types of herbicides, Pesticides, fungicides and other agrochemical items. With several top quality scientific &lifier technological production team, advanced equipment, acceptable service, our organization can provide personally designed service for the clients, and manufacture different types of medicine midbodies and pesticide midbodies, in addition to organic reagents and different types of chemical industrial items based on clients&rsquo molecular structural formula. We are able to offer items with highest quality and best cost, becaus 
Hangzhou ICOM Construction Machinery Co.,Ltd is situated in Hangzhou, it had been the branch comany of CHINA NATIONAL COMMERCIAL AUTOMOBILE CO.,Ltd(CACAC), The CNCAC passed the ISO9001:2000 worldwide quality system certification and items 3C authentication, the items cover asphalt distributor, Synchronous Nick Sealer,Chipping Spreader, Emulsified Bitumen Equipment,Semi-Trailer, and progressively realize the merchandise standardization and serialization and industrialization.Our headquarters covers a place of 50000 m2, building section of 30000 m2, research and development production base of 170000 m2, with tsinghua college, Zhejiang College and other professional institutions setup extensive and flexible "industry-college-institute" cooperation mechanism, has got the strong ability of prod 
Yantai Yusheng Chemical Co.,Ltd.:
Established in August , 1999 , Yantai Yusheng Chemical Co , Ltd ( Yantai Yusheng) is really a new high-technology enterprise mainly involved in creating plastic chemicals and polyurethane additives . The company is located in Laishan District , Yantai City occupying an area of 20000 sqm with a fixed asset of RMB 50 million yuan . The annual income reaches above 100 million yuan . In order to get better development , Yusheng has successively established the research and development cooperation with Shandong University , Qingdao College and Yantai University . At the end of 2013 , the company has invested 30 million yuan in scientific studying . Now our company has one modern production building over 1100 sqm , plenty of advanced production equipment and strong technical strength . New ad 
Tianjin Guofu Chemicals Co., LTD:
Xingyang abundant farming machinery equipment factory:
Zhengzhou Meikewote Trade CO., Ltd:
 Zhengzhou Meikewote Trade CO.Ltd Situated in Zhengzhou City, Henan  province .We dedicate to rubber accelerators' research, production and Marketing, have domestic advanced equipment and scientific scientists. Specifically for rubber accelerator M(MBT),DM(MBTS),CZ(CBS),BT, that is created by enclosed new clean technology, locates the forefront of industry in skill and Output.   We've passed the ISO9001 worldwide quality system certification, setup the scientific management and quality system based on the specs strictly. Our organization takes charge in making use of clean production approaches for production, is the owner of the right laboratory testing organization, to make sure the standard, make an effort to provide high-quality items.         
Suzhou Sinoera Chem Co., Ltd.:
We're one research based New & Hi-Tech custom synthesis manufacturer headquartered in Suzhou, China, leaded by three PhD founders lined up of Biological Stains, dyes and Indications, Diagnostic Reagents, biochemicals, niche chemicals. Since its foundation in 1998, we've been offering an array of custom manufacturing services from pilot scale process development to commercial scale manufacturing on the partnership basis. Suzhou Sinoera Chem Co., Ltd. produces high-performance Biological Stains, dyes and Indications, Diagnostic Reagents, biochemicals and Niche Chemicals for the field of industrial, biological, Pharmaceutical, farming, electronic, textile, Flavor and Scent and films programs, by using its proprietary design technology and rapid synthesis abilities to accelerate the invention  
Lotus (Guangzhou) industrial co, ltd:
Lotus (GUANGZHOU) INDUSTRIAL CO, ltd is really a professional manufacturer of Eco-friendly items. situated in Guangzhou City, it features a full capacity to do a service of imports and exports. We mainly supply guano phosphate,feather meal,rock phosphate,barite (natural barium sulfate BaSo4),ssp,Teaspoon,PMS and the like for agriculture organic manure and animal feed industry.We mixed up in domestic and worldwide marketplaces since our establishment. Have loved a great status among our clients. According to understanding and meeting the requirements of customer, we always stick to the original reason for our firm "Build value for that clients, make chance for that employees, create advantageous effect around the globe, create a way forward for the enterprise", using the belief of "Honesty 
Shenzhen PG Century Furniture Co., Ltd:
Shenzhen PG Century Furniture Co., Ltd started in 2003, focusing in creating various sofas. Our items are renowned for exquisite craftsmanship, Superior quality, attractive designs, most advanced technology,and reasonable cost therefore, they're released to around the globe, mainly in Europe, and enjoy good status.We feel in “Basis on quality, and win from credit”. We're dedicated to supplying clients rich in-quality items and meritorious services. We adopt the world’s top-grade recycleables and good after-sales services to be able to meet the requirements of various clients, and continuously improve the introduction of our organization.Hopefully to determine lengthy-term cooperative associations between one another and achieve win-win. Our organization would be the ideal partner for you  
Weifang zhengxiang trading co.,ltd:
Shenzhen BESTER Technology Ltd:
Shenzhen Bester Technology Ltd was founded in2007.Our team has been sparing no effort to develop the ultrasonic aroma diffuser products since 2009. We focus on ultrasonic aroma diffuser products and committed to creating the utmost values for our customers from all over the world. Bester team has been adhering to the "good function,Website:, good appearance, best quality”, producing best aroma diffuser products for our customer. The products made by our team are not only a houseware product, but also an “artwork”. We believeBester will be your best choice! Our team: Bester has an experienced R&D team, including mechanical engineer, Electronics?Engineers, tooling Engineer. They are the elite of the industry and good at team work,to make a perfecting product, to 
Olin Chemicals Sdn Bhd:
Wuxi Zhongyuan Powder Technology Co. Ltd:
As a manufacturer of batch mixer,Website:, stirring mill, V-shaped batch mixer,Wuxi Zhongyuan Powder Technology Co., Ltd. conforms to ISO9001: 2008 management system standard. It professionally produces micro-powder equipment, ball milling equipment, mixing equipment, screening equipment, drying equipment and other series of products. 
Liaoyang Dingxin Chemical Co., Ltd: