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Home> Products > Daily Chemicals > Others > CAS DataBase Listed 5 > CAS 557-20-0
557-20-0 structure 3D

557-20-0

  • Molecular Weight: 123.5312
  • Formula: C27H31NO3
  • Name: 5H-Furo[3,2-g][1]benzopyran-5-one,7-(2,4-dihydroxyphenyl)-3-(3,5-dihydroxyphenyl)-2,3,6,7-tetrahydro-4-hydroxy-2-(4-hydroxyphenyl)-9-[(2R)-5-methyl-2-(1-methylethenyl)-4-hexenyl]-,(2R,3S,7S)-
  • Synonyms: Zinc ethide
Properties Safety and Handling Reach Info MSDS Synthesis Route Precursor and Product Computational chemical data
Identification of 557-20-0 Safety Data
  • [Risk Codes]
  • R11:Highly Flammable
  • R14:Reacts violently with water
  • R17:Spontaneously flammable in air
  • R34:Causes burns
  • R48/20:Harmful: danger of serious damage to health by prolonged exposure through inhalation
  • R50/53:Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment
  • R62:Possible risk of impaired fertility
  • R65:Harmful: May cause lung damage if swallowed
  • R67:Vapors may cause drowsiness and dizziness
  • [Safety Statements]
  • S16:Keep away from sources of ignition - No smoking
  • S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
  • S36/37/39:Wear suitable protective clothing, gloves and eye/face protection
  • S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
  • S61:Avoid release to the environment. Refer to special instructions safety data sheet
  • S8:Keep container dry
  • Hazard Symbols:
  • HazardClass:4.3
Properties
  • Appearance:
  • Clear, colorless liquid
  • Molecular Weight:
  • 123.5312
  • Density:
  • 1.46
  • Melting Point:
  • -39--28℃
  • Flash Point:
  • 113 oC
  • Storage Temperature:
  • 0-6°C
  • Refractive index:
  • 1.498
  • Solubility:
  • REACTS VIOLENTLY with water
  • Stability:
  • Stable at normal temperatures and pressures.
  • Usage:
  • Herbicide for weed control in the cropping of papaver somniferum l.
  • More Properties>>
Upstream Product Downtream information
There are 46 suppliers who can provide 5H-Furo[3,2-g][1]benzopyran-5-one,7-(2,4-dihydroxyphenyl)-3-(3,5-dihydroxyphenyl)-2,3,6,7-tetrahydro-4-hydroxy-2-(4-hydroxyphenyl)-9-[(2R)-5-methyl-2-(1-methylethenyl)-4-hexenyl]-,(2R,3S,7S)- with CAS No. 557-20-0
DiethylzincCAS NO.: 557-20-0
  • FOB Price:5600 USD/Kilogram 
  • Cas No:557-20-0 
  • Min.Order:1/Kilogram 
  • Purity:99% 
  • Supply Ability:10 Day/Metric Ton 
  • Formula:C4H10Zn 
  • Payment:L/C,T/T,Western Union,MoneyGram,The currency, 
  • Updatetime:Dec 20 2019 
Hebei Yanxi Chemical Co.,Ltd
  • Category:Partnership
  • Registered Time:2017
  • Registered Capital:Below US$100 Thousand
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  • Address:Zhang zhe, guangzong county, xingtai city, hebei province
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Division I, the main production Lead acetate phenylacetamide Cyromazine quality is very good!
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Diethylzinc Manufacturer/High quality/Best price/In stock
  • Cas No:557-20-0 
  • Purity:99% 
  • Formula:C4H10Zn 
  • Appearance:normal appearance 
  • Einecs:209-161-3 
  • Description:Superiority as a professional chemical company, we devote to the development, production and trade of fine chemical, organic compounds, intermediate, api and customized chemicals for more than 20 years and have passed iso9001 quality management system certific...
  • Updatetime:Dec 20 2019 
Hebei zhuangkai biotechnology co. LTD
  • Category:Corporation/Limited Liability Company
  • Registered Time:2019
  • Registered Capital:Above US$100 Million
  • Legal Representative:qiaoxuejun
  • Employees:51 - 100 People
  • Tel:+86-311-85355123
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  • Address:block B, jinyuan business plaza, no. 15
1YR Main Products
Pharmaceutical intermediates Pesticide intermediates
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Diethylzinc, elec. Gr., 99.9995%
  • Cas No:557-20-0 
  • Formula:C4H10Zn 
  • Einecs:209-161-3 
  • Description:Diethylzinc, elec. Gr., 99.9995%
  • Updatetime:Dec 20 2019 
Hangzhou Dayangchem Co., Ltd.
  • Category:Corporation/Limited Liability Company
  • Registered Time:2000
  • Registered Capital:US$501 Thousand - US$1 Million
  • Legal Representative:Tang
  • Employees:51 - 100 People
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  • Address:9/F Unit 2 ChangdiTorch Building, 259 #WenSan Road
9YRS Main Products
Chemical products
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Diethylzinc?solution
  • FOB Price:0 USD/Kilogram 
  • Cas No:557-20-0 
  • Min.Order:1/Kilogram 
  • Purity:99% 
  • Supply Ability:200kgs Month/Kilogram 
  • Formula:C4H10Zn 
  • Payment:TT,LC,DA,DP 
  • Updatetime:Dec 18 2019 
Hangzhou Utanpharma biology co,.Ltd
  • Category:LLC (Ltd Liability Corp)
  • Registered Time:2009
  • Registered Capital:US$1 Million - US$2.5 Million
  • Employees:11 - 50 People
  • Tel:86-571-86820258
  • Fax:86-571-86821328
  • Address:Room 60M(604), Block A1-3, Hangzhou Zhejiang China
3YRS Main Products
Our company is an internationally oriented research based pharmaceutical company with headquarters located in Hangzhou,China.
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Zinc, diethyl-
  • FOB Price:100 USD/Kilogram 
  • Cas No:557-20-0 
  • Min.Order:1/Kilogram 
  • Purity:99% 
  • Supply Ability:100 Month/Kilogram 
  • Formula:C4H10Zn 
  • Payment:T/T 
  • Updatetime:Dec 06 2019 
Jinlan Pharm-Drugs Technology Co., Limited
  • Category:Corporation/Limited Liability Company
  • Registered Time:2005
  • Registered Capital:US$50 Million - US$100 Million
  • Legal Representative:Shelly Cao
  • Employees:51 - 100 People
  • Tel:86-571-85829152
  • Fax:86-571-85829153
  • Address:Room 606, Fuyi Center, #298 Quanfuqiao Road, Jiang
7YRS Main Products
Veterinary products,Nutrition products,Agrochemicals,Active pharmaceutical Ingredients,Custom systhesis,Contract manufacturing
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Diethylzinc
  • Cas No:557-20-0 
  • Formula:C4H10Zn 
  • Einecs:209-161-3 
  • Description:Name: DiethylZinc Synonyms: Zinc ethide CAS Registry number: 557-20-0 EINECS:209-161-3 Molecular Formula: C4H10Zn Boiling Point: 118℃ Flash Point: -40℃ Density: 0.726 Water:REACTS VIOLENTLY Appearance: Clear, colorless liquid Usage: Herbicide for weed cont...
  • Updatetime:Jun 12 2019 
Zhejiang Haiqiang Chemical Co.,Ltd.
  • Category:Corporation/Limited Liability Company
  • Registered Time:2006
  • Registered Capital:Above US$100 Million
  • Legal Representative:Yang Ji
  • Employees:51 - 100 People
  • Tel:86-571-86960370
  • Fax:86-571-86940780
  • Address:5/F, Around Town North Road,No. 10, Hangzhou, Zhejiang,China
Main Products
API Intermediate Plant extracts Pigments and dyes Food and feed additives Reagent Customization synthesisOther products
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Diethylzinc 557-20-0
  • FOB Price:1 USD/Gram 
  • Cas No:557-20-0 
  • Min.Order:1/Gram 
  • Purity:99% 
  • Supply Ability:100 Month/Metric Ton 
  • Formula:C4H10Zn 
  • Updatetime:Mar 26 2019 
Hubei XinRunde Chemical Co., Ltd
  • Category:Individual (Sole proprietorship)
  • Registered Time:2011
  • Registered Capital:US$5 Million - US$10 Million
  • Legal Representative:Haixia Xiang
  • Employees:501 - 1000 People
  • Tel:86-27-83214668
  • Fax:86-27-83214668
  • Address:East and West Lake District, Wuhan, China
Main Products
Pharmaceutical Intermediate; Pharmaceutical Raw Materials; Raw Steroid Powders; Raw Hormone Powders; etc
Contact Supplier
Diethylzinc
  • Cas No:557-20-0 
  • Purity:contact us for more details about Diethylzinc, CAS:557-20-0 
  • Formula:C4H10Zn 
  • Appearance:contact us for more details about Diethylzinc, CAS:557-20-0 
  • Einecs:209-161-3 
  • Description:FINETECH INDUSTRY LIMITED is a LONDON based CRO company providing drug discovery & development services to worldwide clients. FINETECH INDUSTRY LIMITED supplies the Diethylzinc, CAS:557-20-0 with the most competitive price and the best quality. We can offer ef...
  • Updatetime:Nov 21 2018 
Finetech Industry limited.
  • Category:Corporation/Limited Liability Company
  • Registered Time:2007
  • Registered Capital:US$501 Thousand - US$1 Million
  • Employees:11 - 50 People
  • Tel:86-27-87465837
  • Fax:86-27-87772287
  • Address:chukang Road, Wuhan, Hubei 430073,
Main Products
custom synthesis,Lab reagent,CRO,CMO,R&D research chemicals.such as CAS:4651-67-6;CAS:99-16-1;CAS:145100-50-1
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Diethylzinc
  • Cas No:557-20-0 
  • Min.Order:1/Kilogram 
  • Purity:99 
  • Supply Ability:100 Year/Metric Ton 
  • Formula:C4H10Zn 
  • Payment:LC 
  • Updatetime:Nov 21 2018 
Jinan Haohua Industry Co., Ltd.
  • Category:Corporation/Limited Liability Company
  • Registered Time:2006
  • Registered Capital:US$1 Million - US$2.5 Million
  • Legal Representative:Jay Kong
  • Employees:501 - 1000 People
  • Tel:0086-531-58773055
  • Fax:0086-531-58773066
  • Address:No.59 Gongye South RD
Main Products
Chlorodimethylsilane;1,1,3,3-tetramethyldisiloxane
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Diethylzinc
  • Cas No:557-20-0 
  • Formula:C4H10Zn 
  • Einecs:209-161-3 
  • Description:Diethylzinc
  • Updatetime:Jun 07 2018 
AOPHARM
  • Category:Corporation/Limited Liability Company
  • Registered Time:2010
  • Registered Capital:US$101 Thousand - US$500 Thousand
  • Legal Representative:Xuan Liu
  • Employees:11 - 50 People
  • Tel:86-311-66600578
  • Fax:86-311-66600576
  • Address:C-2103 Wonder Business Square, 15 Yuhua West Rd.
Main Products
Pharmaceutical Intermediate, API, Botanical Extract
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Diethylzinc
  • FOB Price:1 USD/Gram 
  • Cas No:557-20-0 
  • Min.Order:1/Gram 
  • Purity:98% 
  • Supply Ability:100 Month/Kilogram 
  • Formula:C4H10Zn 
  • Payment:TT,Western Union 
  • Updatetime:Jun 28 2017 
Hui Chem Company Limited
  • Category:Corporation/Limited Liability Company
  • Registered Time:2008
  • Registered Capital:US$1 Million - US$2.5 Million
  • Employees:51 - 100 People
  • Tel:86-21-60542966
  • Fax:86-21-61916468
  • Address:Lane 299 Bisheng Rd,Pudong District
Main Products
API, Pharmaceutical intermediates, photoelectronic Materials
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Diethylzinc
  • Cas No:557-20-0 
  • Min.Order:1/Kilogram 
  • Purity:99.0% 
  • Supply Ability:500 Day/Kilogram 
  • Formula:C4H10Zn 
  • Appearance:White to Off-White Powder 
  • Updatetime:Feb 25 2019 
XinChem Corporation
  • Tel:+86 21 34123252
  • Address:14, 4580 Dushi, Shanghai, China
Contact Supplier
Diethylzinc
  • Cas No:557-20-0 
  • Min.Order:0/Metric Ton 
  • Purity:99% 
  • Supply Ability:Metric Day/Ton 
  • Formula:C4H10Zn 
  • Einecs:209-161-3 
  • Description:Superiority diethylzinc Details Keywords:Diethylzinc
  • Updatetime:Feb 25 2019 
EASTRUST GROUP CO LTD
  • Tel:86-25-84513908
  • Address:jiangsu nanjing, china
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Diethylzinc
  • Cas No:557-20-0 
  • Purity:100% 
  • Formula:C4H10Zn 
  • Einecs:209-161-3 
  • Description:Superiority diethylzinc Details Diethylzinc Molecular Formula:C4H10Zn
  • Updatetime:Feb 25 2019 
Kunshan Yalong Trading Co,.Ltd
  • Tel:86-512-50351916
  • Address:805-807 Room Hongqiao Mansion ,1088 West Qianjin Road, Kunshan, Jiangsu,China
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Zinc, diethyl-
  • Cas No:557-20-0 
  • Purity:98% 
  • Formula:C4H10Zn 
  • Einecs:209-161-3 
  • Description:Superiority low price and good quality Details Keywords:557-20-0,Zinc, diethyl-
  • Updatetime:Feb 25 2019 
Shang Hai Grade Biochemical Co,. Limited
  • Tel:86-21-13482627603
  • Address:Zhangjiang hai technology park shanghai
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Diethylzinc
  • Cas No:557-20-0 
  • Formula:C4H10Zn 
  • Einecs:209-161-3 
  • Description:Superiority Details Molecular Formula:C4H10Zn
  • Updatetime:Feb 25 2019 
Shanghai Boyners Pharmaceutical co., LTD.
  • Tel:+86-02131329586/02154581719
  • Address:No.328,1#315,Wuhe Road, Shanghai, ,shanghai,China (Mainland)
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Diethylzinc in toluene
  • Cas No:557-20-0 
  • Purity:90% 
  • Formula:C4H10Zn 
  • Appearance:Clear colorless solution 
  • Einecs:209-161-3 
  • Description:Superiority ≥99%, stock Details UN 3399 4.3/PG 1; mp ?28 °C(lit.); bp 98 °C; density 1.205 g/mL at 25 °C(lit.); refractive index n20/D 1.498(lit.); Fp 45 °F; Molecular Formula:C4H10Zn Transportation:by air, by sea Storage:0-6°C Keywords:ZINCDIETHYL,diet...
  • Updatetime:Feb 24 2019 
Springchem & Jadetextile Group Limited
  • Tel:+86-(21)-5175-2788, 5175-2786
  • Fax:+86-(21)-5175-2789
  • Address:Room A101, No.751, Yichang Road, Shanghai 200060,
Contact Supplier
Diethylzinc
  • Cas No:557-20-0 
  • Min.Order:30/Liter 
  • Purity:1.0 
  • Supply Ability:30000 Month/Kilogram 
  • Formula:C4H10Zn 
  • Appearance:colorless transparent liquid 
  • Updatetime:Feb 23 2019 
Xunteng International Trading Co.,Limited
  • Tel:86-0794-5259813
  • Address:Industrial Park C District,Jinxi County, Fuzhou,Jiangxi Province,China
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Aluminum ethyl sesquichloride (EASC)
  • Cas No:557-20-0 
  • Min.Order:0/Metric Ton 
  • Purity:98%.. 
  • Supply Ability:Metric Day/Ton 
  • Formula:C4H10Zn 
  • Appearance:See the product details 
  • Updatetime:Feb 23 2019 
Beijing Cerametek Materials Co. Ltd.
  • Tel:+86-10-61566641
  • Fax:+86-10-61561674
  • Address:Suite 2-E051, BPE, W. NongLin Road,
Contact Supplier
Diethylzinc solution, 15 wt. % in hexane 557-20-0
  • Cas No:557-20-0 
  • Purity:99% 
  • Formula:C4H10Zn 
  • Appearance:solid or liquid 
  • Einecs:209-161-3 
  • Description:Superiority low price and high purity Details Diethylzinc solution, 15 wt. % in hexane Transportation:by sea or by airplane Storage:in sealed air resistant place Keywords:557-20-0,Diethylzinc solution, 15 wt. % in hexane,low price Diethylzinc solution, 15 wt. ...
  • Updatetime:Feb 23 2019 
Hunan Russell Chemicals Technology Co.,Ltd
  • Tel:0086-731-85415356
  • Address:Buiding4,Lugu Enterprise Plaza, Yuelu Distric
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