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Home> Products > Pharmaceuticals and Biochemicals > CAS DataBase Listed 7 > CAS 74-82-8
74-82-8 structure 3D

74-82-8

  • Molecular Weight: 16.04250
  • Formula: C12H8O2S2
  • Name: 5H-Benzo[4,5]cyclohepta[1,2-b]pyridin-5-ol,5-ethynyl-10,11-dihydro-
  • Synonyms:
Properties Safety and Handling Reach Info MSDS Computational chemical data
Identification of 74-82-8 Safety Data
  • [Risk Codes]
  • R12:Extremely Flammable
  • [Safety Statements]
Properties
  • Appearance:
  • colourless odourless gas
  • Molecular Weight:
  • 16.04250
  • Boiling Point:
  • 390.5 °C at 760 mmHg
  • Flash Point:
  • 137.8ºC
  • Refractive index:
  • 1.6
  • Solubility:
  • slight (35 ml/l at 20 C)
  • Stability:
  • Stable. Extremely flammable - note low flash point; mixtures with air constitute an explosion hazard. Reacts violently with interhalogens. Incompatible with strong oxidizing agents, halogens, interhalogens, oxygen.
  • More Properties>>
There are 44 suppliers who can provide 5H-Benzo[4,5]cyclohepta[1,2-b]pyridin-5-ol,5-ethynyl-10,11-dihydro- with CAS No. 74-82-8
Methane Gas CH4
  • FOB Price:100 USD/Cylinder 
  • Cas No:74-82-8 
  • Min.Order:100/Cylinder 
  • Purity:99% ~99.9999% 
  • Supply Ability:1000 Day/Cylinder 
  • Formula:CH4 
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  • Updatetime:Mar 13 2019 
Central China Special Gas Co., Ltd.
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methane
  • FOB Price:125 USD/piece 
  • Cas No:74-82-8 
  • Min.Order:1/piece 
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Chengdu Qiyu Gas Co., Ltd.
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  • Registered Time:2010
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Methane
  • FOB Price:1 USD/Metric Ton 
  • Cas No:74-82-8 
  • Min.Order:1/Metric Ton 
  • Purity:99% 
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Cocain Columbia Quality Powder and Crack
  • Cas No:74-82-8 
  • Min.Order:0/Metric Ton 
  • Purity:97 
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  • Formula:CH4 
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Alamy Stock Limited
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4-fluorococne,
  • Cas No:74-82-8 
  • Min.Order:0/Metric Ton 
  • Purity:99% 
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  • Formula:CH4 
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  • Cas No:74-82-8 
  • Min.Order:0/Metric Ton 
  • Purity:100 
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FULL CHEMICAL METRO
  • Cas No:74-82-8 
  • Min.Order:10/Gram 
  • Purity:100% 
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  • Formula:CH4 
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  • Updatetime:Feb 25 2019 
MEEDSCHEM LTD
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Methane
  • Cas No:74-82-8 
  • Purity:98% 
  • Formula:CH4 
  • Einecs:200-812-7; 232-343-9; 608-533-6 
  • Description:Superiority high quality Details Storage:Store in dry, dark and ventilated plac... Keywords:Methane,74-82-8
  • Updatetime:Feb 25 2019 
Hangzhou Keyingchem Co.,Ltd
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  • Address:Jintong international Building, No.113,Huayuangang Street, Gong shu District, Hangzhou,Zhejiang, China.
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Methane
  • Cas No:74-82-8 
  • Purity:99% 
  • Formula:CH4 
  • Einecs:200-812-7; 232-343-9; 608-533-6 
  • Description:Superiority good quality and best price Details Keywords:Methane
  • Updatetime:Feb 24 2019 
GrowingChem (Shanghai) Co., Ltd.
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  • Cas No:74-82-8 
  • Min.Order:1/Kilogram 
  • Purity:100 
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  • Formula:CH4 
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Methane - ( CH4 )
  • Cas No:74-82-8 
  • Min.Order:0/Metric Ton 
  • Purity:99.99 
  • Supply Ability:Metric Day/Ton 
  • Formula:CH4 
  • Einecs:200-812-7; 232-343-9; 608-533-6 
  • Description:Superiority methane is a colorless , odorless and flammable gas . Details Ship DOT Shipping Name
  • Updatetime:Feb 23 2019 
Hongkong wechem chemical co., ltd
  • Tel:852--30697501
  • Address:UNIT 04,7/F, Bright Way Tower, NO.33 Mongkok Road , Kowloon , HK .
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Methane
  • Cas No:74-82-8 
  • Min.Order:0/Metric Ton 
  • Purity:99.9% 
  • Supply Ability:Metric Day/Ton 
  • Formula:CH4 
  • Einecs:200-812-7; 232-343-9; 608-533-6 
  • Description:Superiority 99.9%-99.999% methane methane: 99.995% nitrogen(n2) ≤ 8ppm oxygen(o2) ≤ 5ppm ethane(c2h6) ≤15ppm hydrogen(h2) ≤5ppm moisture(h2… Details 99.9%-99.999% methane Methane: 99.995% Nitrogen(N2) ≤ 8ppm Oxygen(O2) ≤ 5ppm Ethane(C2H6) ≤15ppm Hydrog...
  • Updatetime:Feb 22 2019 
Foshan Huate Gas Co., Ltd
  • Tel:13927734543
  • Address:Jinfeng Road, Heshun, Lishui, Nanhai
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Methane Gas CH4 with Good Price
  • Cas No:74-82-8 
  • Min.Order:0/Metric Ton 
  • Purity:99.9% 
  • Supply Ability:Metric Day/Ton 
  • Formula:CH4 
  • Appearance:Colorless 
  • Updatetime:Feb 22 2019 
Central China Special Gas
  • Tel:+86-0734-8755555/0734-8755678
  • Address:Cangjiang Heshui Industrial Park (Number 615, Genghe Road, Genghe town), Gaoming District, Foshan city, Guangdong, China
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Methane
  • Cas No:74-82-8 
  • Purity:98% 
  • Formula:CH4 
  • Appearance:Refer to COA 
  • Einecs:200-812-7; 232-343-9; 608-533-6 
  • Description:Superiority ocean inorganic department is a professional supplier and exporter engaging in inorganic chemical materials and metal organic compounds. over the past years, our company is committed to improving the product quality and developing new products, in ...
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Hangzhou Ocean Chemical Co., Ltd.
  • Tel:+86-571-88025872, 28272092, 28272096
  • Address:Room 623 ,Building No 1 , COFCO Radius Commercial Center Xiwen Road, Xiacheng District, Hangzhou, Zhejiang Province, China
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Methane(CH4)
  • Cas No:74-82-8 
  • Purity:99.995% 
  • Formula:CH4 
  • Payment:L/C,T/T, 
  • Einecs:200-812-7; 232-343-9; 608-533-6 
  • Description:99.9%-99.999% methane Methane: 99.995% Nitrogen(N2): 8ppm Oxygen(O2): 5ppm Ethane(C2H6): 15ppm Hydrogen(H2): 5ppm Moisture(H2O): 5ppm Our product line: carbon monoxide gas, carbon tetrafluoride, sulfur hexafluoride, ammonia, hexafluoroaethane, trifluoromethane...
  • Updatetime:Dec 05 2016 
Foshan Huate Gases Co., Ltd
  • Category:Corporation/Limited Liability Company
  • Registered Time:1999
  • Registered Capital:US$50 Million - US$100 Million
  • Legal Representative:Mr. Pingxiang Shi
  • Employees:501 - 1000 People
  • Tel:0086-757-85126928
  • Fax:0086-757-85126928
  • Address:Jinfeng Road,Heshun,Lishui ,Nanhai
Main Products
CO,CO2,NO,N2O,CF4,C2F6,C3F8,C4F8,CH4,C2H4,C2H6,C3H6,C3H8,C4H10,SF6,SiH4,SiF4,Helium,Neon,Argon,Krypton,Xenon,NH3,H2S,BCL3,Deuterium(D2),CHF3,CH2F2,Chloride(Cl2)
Contact Supplier
Methane - ( CH4 )
  • Cas No:74-82-8 
  • Formula:CH4 
  • Einecs:200-812-7; 232-343-9; 608-533-6 
  • Description:Ship DOT Shipping Name Methane, Compressed
  • Updatetime:Sep 21 2015 
Hongkong wechem chemical co., Ltd
  • Category:LLC (Ltd Liability Corp)
  • Registered Time:2015
  • Registered Capital:US$101 Thousand - US$500 Thousand
  • Employees:11 - 50 People
  • Tel:852-0-30697507
  • Fax:852-0-30697502
  • Address:UNIT 04,7/F, Bright Way Tower, NO.33 Mongkok Road , Kowloon , HK .
Main Products
specialty gases , laser gas , medical gas , industrial gas , calibration gas
Contact Supplier
Methane - ( CH4 )
  • Cas No:74-82-8 
  • Formula:CH4 
  • Einecs:200-812-7; 232-343-9; 608-533-6 
  • Description:Name: Methane Synonyms: Biogas; fire damp; Marsh Gas; methane, various grades; Methyl Hydride; natural gas; r 50 (refrigerant); CAS Registry number: 74-82-8 EINECS:200-812-7 Molecular Formula: CH4 Boiling Point: -161℃ Flash Point: -188℃ Density: 0.716 Water...
  • Updatetime:Sep 17 2015 
Hongkong wechem chemical co., Ltd
  • Category:Individual (Sole proprietorship)
  • Registered Time:2015
  • Registered Capital:Below US$100 Thousand
  • Employees:5 - 10 People
  • Tel:852-0-30697501
  • Fax:852-0-30697502
  • Address:UNIT 04,7/F, Bright Way Tower, NO.33 Mongkok Road , Kowloon , HK .
Main Products
specialty gases , industrial gases , medical gases , calibration gases , mix gases , laser gases
Contact Supplier
Methane - ( CH4 )
  • Cas No:74-82-8 
  • Purity:99.999 
  • Formula:CH4 
  • Payment:L/C,T/T, 
  • Einecs:200-812-7; 232-343-9; 608-533-6 
  • Description:Name: Methane Synonyms: Biogas; fire damp; Marsh Gas; methane, various grades; Methyl Hydride; natural gas; r 50 (refrigerant); CAS Registry number: 74-82-8 EINECS:200-812-7 Molecular Formula: CH4 Boiling Point: -161℃ Flash Point: -188℃ Density: 0.716 Water...
  • Updatetime:Sep 08 2015 
Shanghai Wechem Chemical Co., Ltd
  • Category:Partnership
  • Registered Time:2015
  • Registered Capital:US$501 Thousand - US$1 Million
  • Legal Representative:GUO CHENG
  • Employees:11 - 50 People
  • Tel:86-21-51987501
  • Fax:86-21-61927501
  • Address:China ( Shanghai ) Pilot Free Trade Zone , Meisheng Road NO. 177 , Three Building 619, 6F Room.
Main Products
gases, SF6 , NF3 , WF6 , CO , NO , CH4 , N2O , HBr, HCL , H2S , BCL3 , BF3 , SIF4 , SIH4
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Methane CH4 R50
  • FOB Price:1 USD/Cylinder 
  • Cas No:74-82-8 
  • Min.Order:1/Cylinder 
  • Purity:99.9%,99.99%,99.995%,99.999% 
  • Supply Ability:10000 Year/Cylinder 
  • Formula:CH4 
  • Payment:L/C,D/A,D/P,T/T,Western Union,MoneyGran, 
  • Updatetime:Jun 27 2014 
Miragas Co., Ltd
  • Category:Corporation/Limited Liability Company
  • Registered Time:2009
  • Registered Capital:US$1 Million - US$2.5 Million
  • Employees:51 - 100 People
  • Tel:86-379-69581179
  • Address:Zhucun Industrial Zone, Pengpo, Yichuan Town, Luoyang, Henan
Main Products
C318, R116, R41, R32, R23, R14, R50, R170, R161, R125, R290, R600a, R1150, R1270, C3F6,HFP, SF6, He, Ar, O2, CO, SO2, Silane, ETO, and their mixtures.
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Methane
  • Cas No:74-82-8 
  • Formula:CH4 
  • Einecs:200-812-7; 232-343-9; 608-533-6 
  • Description:Methane
  • Updatetime:Apr 25 2014 
Boc Sciences
  • Registered Time:2005
  • Tel:1-631-5046093
  • Fax:1-631-6147828
  • Address:45-16 Ramsey Road Shirley, NY 11967, USA
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PEG Products,OLED Products,Research Products,Natural Products,
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